Vortech Engineering Honda Supercharger System S2000 Users Manual (4HS V1.2)S2000

2015-02-05

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ENGINEERING, LLC
1650 PACIFIC AVENUE • CHANNEL ISLANDS, CA 93033-9901 • (805) 247-0226
FAX (805) 247-0669 • www.vortechsuperchargers.com • M-F 8:00 AM - 4:30 PM PST
4HS020-010 v2.0

07/27/04

FOREWORD
Proper installation of this supercharger kit requires general automotive
mechanic knowledge and experience. Please browse through each step of
this instruction manual prior to beginning the installation to determine if you
should refer the job to a professional installer/technician. Please call Vortech
Engineering for installers in your area.

NOTE:
Due to the horsepower and torque that your vehicle will
produce after installation of this supercharger system,
it is strongly suggested that the factory clutch be replaced with a high-capacity aftermarket unit.

© 2003 VORTECH ENGINEERING, LLC
All rights reserved. No part of this publication may be reproduced, transmitted, transcribed,
or translated into another language in any form, by any means without written permission
of Vortech Engineering, LLC.
P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

TABLE OF CONTENTS
FOREWORD ..................................................................................................................................... ii
TABLE OF CONTENTS .................................................................................................................... iii
TOOL & SUPPLY REQUIREMENTS ................................................................................................ iv
PARTS LIST - HONDA S2000 .......................................................................................................... v
1.

PREPARATION/REMOVAL .................................................................................................. 1

OIL FEED ............................................................................................................................. 3

OIL DRAIN ........................................................................................................................... 4

CRANK DAMPER PULLEY INSTALLATION ........................................................................ 5

FUEL MANAGEMENT UNIT ................................................................................................ 7

FUEL PUMP REPLACEMENT ............................................................................................. 10

FUEL RAIL/ REGULATOR MODIFICATIONS (2004 Models Only) ...................................... 11

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION ................................... 12

SUPPLEMENTARY FUEL INJECTOR INSTALLATION (2004 Models Only) ....................... 24

10.

SUPERCHARGER BELT TENSIONER ADJUSTMENT ...................................................... 25

11.

AIR PUMP INLET HOSE MODIFICATION ........................................................................... 25

12.

CHARGE AIR COOLER INSTALLATION ............................................................................. 26

13.

AIR INLET DUCT INSTALLATION ....................................................................................... 30

14.

HOSE ATTACHMENTS/EXTENSIONS ................................................................................ 31

15.

ELECTRONIC CONTROL BOX INSTALLATION ................................................................. 32

16.

FINAL CHECK ..................................................................................................................... 35

iii

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

2000-2004
HONDA S2000
Installation Instructions
Congratulations on selecting the best performing and best backed automotive
supercharger available today... the VORTECH® Supercharger!
Before beginning this installation, please read through this entire instruction booklet and the Street
Supercharger System Owner's Manual which includes the Automotive Limited Warranties Program
and the Warranty Registration form.
Vortech supercharger systems are performance improving devices. In most cases, increases in torque of
30-35% and horsepower of 35-45% can be expected with the boost levels specified by Vortech Engineering.
This product is intended for use on healthy, well maintained engines. Installation on a worn-out or damaged
engine is not recommended and may result in failure of the engine as well as the supercharger. Vortech
Engineering is not responsible for engine damage.
Installation on new vehicles will not harm or adversely affect the break-in period so long as factory break-in
procedures are followed.
For best performance and continued durability, please take note of the following key points:
1. Use only premium grade fuel 91 octane or higher (R+M/2).
2. The engine must have stock compression ratio.
3. If the engine has been modified in any way, check with Vortech prior to using this product.
4. Always listen for any sign of detonation (pinging) and discontinue hard use (no boost) until problem is
resolved.
5. Perform an oil and filter change upon completion of this installation and prior to test driving your vehicle.
Thereafter, always use a high grade SF rated engine oil or a high quality synthetic, and change the oil
and filter every 3,000 miles or less. Never attempt to extend the oil change interval beyond 3,000
miles, regardless of oil manufacturer's claims as potential damage to the supercharger may
result.
6. Before beginning installation, replace all spark plugs that are older than 2 years or 20,000 miles with
original heat range plugs as specified by the manufacturer and retard timing from factory specifications
(follow the procedures indicated within the factory repair manual and/or as indicated on the factory
underhood emissions tag). Do not use platinum spark plugs unless they are original equipment.
Change spark plugs every at least 15,000 miles and spark plug wires at least every 50,000 miles.
TOOL & SUPPLY REQUIREMENTS:
• Factory Repair Manual
• 3/8" Socket and Drive Set: SAE & Metric
• 3/8” Swivel Head Ratchet
• 1/2" Socket and Drive Set: SAE & Metric
• 3/8" NPT Tap and Handle
• Adjustable Wrench
• Open End Wrenches: SAE & Metric
• Center Punch
• 5 Quarts SH/CF Rated Quality Engine Oil
• Oil Filter and Wrench
• Flat #2 Screwdriver
• Phillips #2 Screwdriver
• Heavy Grease
• Silicone Sealer
• Drill Motor
• 1/8", 3/16" Drill Bits
• Hex Key Wrench Set
• Wire Strippers and Crimpers
• Utility Knife
• Hand Held Grinder
• Blue Loctite
• 07JAB-001020A (Damper Tool) Available at Honda Dealer
• 07NAB-001040A (Damper Tool) Available at Honda Dealer
• Honda Bond (Sealer) Available at Honda Dealer
If your vehicle has in excess of 10,000 miles since its last spark plug change, then you will also need:
• Spark Plug Socket
• New Spark Plugs
P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

2000-2003 HONDA S2000
Part No. 4HS218-010SQ/-018SQ
®

PARTS LIST

ENGINEERING, LLC

IMPORTANT:
PART #
2E229-180

Before beginning installation, verify that all parts are included in the kit. Report any shortages or
damaged parts immediately.
DESCRIPTION
SUPERCHARGER ASSY

QTY

PART #
1

4HS111-021
4HS010-011
4HS010-021
4HS010-034
4HS010-044
4HS010-051
7A250-075
4PFA010-031
7PA375-500
7B500-325
4HS017-051
4HS017-011
4HS017-031
4HS017-021
4HS017-041
7F375-028
7B375-350
7C010-115
7J010-002
7C060-622
7C010-049
7C060-080
7C012-050
7A375-124
7A375-350
7K375-040
7J006-093
7F006-093
7J012-092
7F500-030
2A017-016
4GF016-160
4FH016-150
4HS040-050
7C080-046
7A312-100
7K312-001

MOUNTING BRACKET ASSY
MTG. PLATE BLOCK
LOWER S/C PLATE SPACER
UPPER S/C SUPPORT PLATE
S/C MOUNTING PLATE
LATERAL S/C MOUNTING PLATE SUPPORT
1/4-20 x .75 SHCS
TENSIONER ADJ. SCREW LOCATOR
TENSIONER SCREW
TENSIONER ARBOR
TENSIONER SPACER
RIBBED IDLER SPACER
UPPER S/C PLATE SPACER
12mm S/C BOSS SPACER
S/C PLATE SPACER (TO STOCK IDLER)
3/8-24 PRESS NUTS
3/8-24 x 3.50
M10 X 1.25 x 115 BOLT
M10 WASHER (.080 THK.)
M6 x 1.00 x 158 STUD
M10 x 1.25 x 50 BOLT
M6 x 1.00 x 80 BOLT
M12 x 1.75 x 50 BOLT
3/8-16 x 1.25
3/8-16 x 3.50
3/8 AN WASHER
M6 WASHER
M6 NUTS
M12 WASHER
1/2-20 JAM LOCK NUT
3/8 ID BEARING PILOT (6203 BRG)
RIBBED 3" IDLER
SMOOTH 3" IDLER
V-TECH SOLENOID GASKET
M8 x 1.25 x 45 SHCS
5/16-18 x 1.0 HXHD
5/16 AN WASHER

1
1
1
1
1
1
2
1
1
1
1
1
4
1
1
4
4
1
2
2
1
3
1
7
1
12
5
2
2
1
1
1
1
1
2
2
2

4HS116-011
4HS016-011
7C010-050
4HS016-021
2A046-510

S/C DRIVE ASSEMBLY
CRANK PULLEY
10-24 x .50 SHCS GR8
MODIFIED DAMPER PULLEY
S/C DRIVE BELT

1
1
6
1
1

4HS238-068
6Z110-144
7U030-016
7U030-016
7R001-004
7U030-046
7P156-082
7R004-003

FMU assembly
FMU ASSY
1/4 FUEL HOSE-FMU “IN”
1/4 FUEL HOSE-FMU “OUT”
#4 HOSE CLAMP
5/32" VACUUM HOSE
5/32 TEE
14.5 STEPLESS CLAMP

1
1
34"
28"
2
28"
1
2

4HS130-036
7U030-036
7R001-008

OIL DRAIN ASSEMBLY
OIL DRAIN HOSE
#8 CLAMP

1
18"
2

DESCRIPTION
QTY
7P375-004
3/8" NPTF x -8 SAE FLARE FITTING
7P500-050
FTG,-8 JIC TUBE x 90° W/BARB
7T560-001
CUTTER, 9/16" ROTABROACH
7T560-002
ARBOR, 9/16" ROTABROACH
7P375-041
3/8" NPT x 1.5" HEX NIPPLE

1
1
1
1
1

4HS130-026
7U250-000-360
7P125-004
7P125-101
7P125-125
7P125-034
7U100-055
4HS112-010
8H040-022
8H040-040
7S350-200
7R002-056
7R002-052
7U030-016
4HS013-010
7A250-050
7U035-001
7U030-036
4HS110-060
4HS012-011
7P375-017
7E010-049
7C060-020
4HS010-110
4HS010-120

OIL FEED ASSEMBLY
OIL FEED HOSE
#4 JIC x 90 x 1/8 NPT FTG
#4 JIC x 45 x 1/8 NPT FTG
1/8 NPT FEM x 1/8 BSPT
1/8 STREET TEE
6" ZIP-TIE
AIR INLET ASSEMBLY
3/4" BREATHER FITTING
3.5" AIR FILTER
3.5 x 2" SLEEVE
#56 CLAMPS
#52 CLAMP
1/4" COOLANT HOSE
AIR BOX
1/4-20 x .5 SHCS
3.5" FLEX HOSE
OIL DRAIN HOSE
AIR FILTER MOUNTING FLANGE ASSY
3.5" PLASTIC INLET ELBOW
3/8" NPT x 1/2" BEADED HOSE BARB
#10 SHEETMETAL SCREW
M6 x 1.0 x 20 HXHD
AIR BOX MOUNTING TAB, UPPER
AIR BOX MOUNTING TAB, LOWER

1
1
1
1
1
1
4
1
1
1
1
2
2
16"
1
8
5"
36"
1
1
1
2
1
1
1

8N401-010
7A250-050
8H040-175
8N055-050
7S275-200
7S275-300
7R002-044
7P500-026
7U030-046
7P156-082
7U030-030
7P250-033
008341
8N301-140

POWERCOOLER/DISCH. ASSY
1/4-20 x .5 SHCS
RACE BYPASS FILTER
SURGE TANK CAP
2.75 SLEEVE x 2 SLEEVE
2.75 SLEEVE x 3 SLEEVE
#44 CLAMP
3/4 HOSE BARB x 1/2 NPT x 90 FTGS
5/32" VACUUM HOSE
5/32 TEE
1/4" VACUUM HOSE
5/32 - 1/4 REDUCER
POWERCOOLER DECAL
WELDED COOLER CORE ASSY

1
2
1
1
1
1
4
2
24"
1
36"
1
1
1

8N106-110
4HS010-080
4HS010-090
4HS010-100
5W001-002
5W001-009
5W001-011
5W001-014
5W001-015
5W001-017
5W001-019

WATER COOLER ASSY
WATER RESERVOIR MNTG BRKT
WATER COOLER MNTG BRKT, UPPER
WATER COOLER MNTG BRKT, LOWER
FUSE TAP
SLIDE CONNECTOR - 18GA MALE
16-14 GA EYELET
FUSE HOLDER 10 GA
FUSE, BLADE TYPE 20A
12GA RING TERMINAL
12GA SOLDERLESS CONNECTOR

1
1
1
2
1
1
2
1
1
1
1

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

2000-2003 HONDA S2000
Part No. 4HS218-010SQ/-018SQ
®

PARTS LIST,

ENGINEERING, LLC

IMPORTANT:
PART #

Before beginning installation, verify that all parts are included in the kit. Report any shortages or
damaged parts immediately.
DESCRIPTION

QTY

7A250-050
7A250-075
7E010-049
7F250-021
7J250-001
7P375-075
7P500-026
7P500-078
7R003-015
7R007-001
7U038-000
7U038-012
8F001-402
8F101-310
8N006-010
8N055-030

1/4-20 x .50" SHCS
1/4-20 x 3/4 SHCS PLTD
#10 x 3/4 HXHD SLF TAPNG ST MTL
1/4-20 NYLOCK NUT ZINC PLTD
1/4 SAE WASHER, PLTD
3/4" HOSE UNION
1/2NPT-3/4 BARB 90°
1/2NPT x 3/4 HOSE FIT STRT
ADEL CLAMP, 15/16".406 EYELET
NYLON CLAMP 1-1/8"
3/4" HEATER HOSE
HOSE, Ø3/4" 90°, 4 x 12"
PUMP, WATER
RELAY ASSY, HONDA
WATER COOLER
TANK, LT1 AFTERCOOLER

2
3
9
3
10
1
3
1
1
10
12
2
2
1
1
1

5A201-001
4HS010-070
5A001-051
5A101-020
5W001-009
5W001-010
5W001-022
7C008-050
7E010-049
7F008-032
7P156-082
7P157-219
7U030-046
7U100-055
7U375-001
7U375-002

ELECTRONICS UPGRADE ASSY
BRKT, FTC MNTG S2K
TIMING CONTROL BOX
MAP CLAMP
16-14GA MALE SLIDE INSULATED
16-14GA FEMALE SLIDE INSULATED
T-TAP CONN,14-16 AWG
8-32 x 1/2 SHCS
#10 SHEET METAL SCREW
8-32 NYLOCK NUT
5/32" TEE, BRASS
REDUCER UNION, 5/32" TO 7/32"
5/32" VACCUM LINE
TIE WRAP, 6" NYLON
VELCRO-HOOK 1" BLACK
VELCRO-LATCH 1"BLACK

2
1
1
11
8
3
2
2
2
1
1
4'
8
.166 YD
.166 YD

8F001-342

Fuel pump assy.

8D204-011

Race blowoff valve

4HS020-010

Instruction manual

008110

Decals

008444

S/C owners packet

008130

Lic. plate frame, Vortech

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

cont’d

2004 HONDA S2000
Part No. 4HS218-020/028SQ
®

PARTS LIST

ENGINEERING, LLC

IMPORTANT:
PART #
2E229-210
2A036-450

Before beginning installation, verify that all parts are included in the kit. Report any shortages or
damaged parts immediately.

DESCRIPTION
V2SQ S/C SC-TRM CCW HONDA S2000
S/C PULLEY 4.50" 6-GRV

QTY
1
1

4HS111-021
2A017-016
4FH016-150
4GF016-160
4HS010-011
4HS010-021
4HS010-034
4HS010-044
4HS010-051
4HS017-011
4HS017-021
4HS017-031
4HS017-041
4HS017-051
4HS040-050
4PFA010-031
7A250-075
7A312-100
7A375-124
7A375-350
7B375-350
7B500-325
7C010-049
7C010-115
7C012-050
7C060-080
7C060-622
7C080-046
7F006-093
7F375-028
7F500-030
7J006-093
7J010-002
7J012-092
7K312-001
7K372-040
7PA375-500

MOUNTING BRACKET ASSY S2000
PILOT, 6203/5 BRG, 3/8 SCREW
IDLR PULLEY, 6-RIB 3" FLANGED
PULLEY, 3" IDLER-RIBBED
MTG BLOCK, SUPPORT PLT S2000
SUPPORT, LWR MTG PLT S2000
S/C SUPPORT PLT, REAR S2000
S/C MOUNTING PLT, S2000
SUPPORT, NTG PLT, LATERAL S2000
RIBBED LIDLER SPACER, S2000
SPACER, S/C BOSS S2000
SPACER, UPPER S/C PLT S2000
SPACER, LOWER S/C PLT S2000
SPACER, TENSNR PULLEY S2000
GASKET, VTEC SOLENOID S2000
BRACKT, IDLER ADJUST SCREW
1/4-20 x 3/4 SHCS PLTD
5/16-18 x 1 HXCS GR5P
3/8-16 x 1-1/4 HXHD G5 PLATED
3/8-16 x 3-1/2 HXHD
3/8-24 x 3-1/2" HXHD GR8
ARBOR, S/C TENS PLY, S2000
M10 x 1.25 x 50 HCHD CL10.9
M10 x 1.25 x 115 HXHD CL10.9 P
M12 x 1.75 x 50mm HXHD BOLT
M6 x 1.00 x 80 SHCS CL 8.8
M6 x 1.0 x 6.22" S2000 STUD
M8 x 1.25 x 45 SHCS CL8.8
6mm NYLOCK NUT
PRESS NUT, 3/8-24 x .50
1/2-20 HEX JAM LOCK NUT ZINC
6mm WASHER, PLATED
10mm WASHER, ZINC PLATED
12mm WASHER, FLAT
5/16 AN WASHER, PLATED
3/8 AN960 FLAT WASHER, PLATED
SCREW, IDLER ADJUST, 5.00"

1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
2
2
7
1
4
1
1
1
1
3
2
2
2
4
1
5
2
2
2
12
1

4HS116-021
2A046-500
4HS016-011
4HS016-021
7C010-050

S/C DRIVE ASSY 04’ S2000
BELT, K060500-GATES
S/C CRANK PULLEY, 6" S2000
MODIFIED DAMPER PLY S2000
10-24 x .50 SHCS GR8 PLT

1
1
1
1
6

4HS238-048
6Z110-150
6Z050-151
6Z070-020
6Z090-010
7C010-050
7C010-075
7C024-025
7E010-046
7P125-025
7P125-036
7P125-037

FMU ASSY, w/LINES 4:1, S2000
FMU, 4:1 1/4 BARB w/SPRING
FMU WASHER, 4:1/38LB. PLATED
FMU 4:1 RING SPACER
SPRING, FMU GM 4.3
10-24 x .50 SHCS GR8 PLT
10-24 x 3/4 SHCS GR5 ZINC
10-24 x 1/4 PHILL HD
#8 x 3/4 SHEET METAL
1/8 NPT x 5/32 HOSE 90
1/8 NPT-STRT 1/4 BARB
1/8 NPT-90° TO 1/4 BARB

1
1
1
1
1
6
4
3
2
1
1
1

PART #
7U100-030
7U030-016
7U030-016
7R001-004
7U030-046
7P156-082
7R004-003
4HS130-026
7U250-000-360
7P125-004
7P125-101
7P125-125
7P125-034
7U100-055
4HS130-036
7P375-004
7P375-041
7P500-050
7R001-008
7T560-001
7T560-002
7U030-036
8F001-342

vii

DESCRIPTION
O-RING, FMU
1/4" EFI HP FUEL LINE
1/4" EFI HP FUEL LINE
#4 HOSE CLAMP
5/32" VACUUM LINE
5/32" TEE
STEPLESS CLAMP, 14.5-70

QTY
1
2
2
2
2
1
2

OIL FEED ASSY S2000
OIL FEED HOSE, 36" -4 STRT
1/8 NPT 90° x -4 JIC FTG STL
1/8 NPT 45° x -4 JIC FTG STL
FTG, 1/8 NPT FEM x 1/8 SPT MALE
1/8 NPT x 1/8 NPT STRT T
TIE-WRAP, 7.5" NYLON

1
1
1
1
1
1
6

OIL DRAIN ASSY S2000
3/8 NPT x 1/2 SAE MALE FLARE
3/8 NPT HEX NIPPLE x 1.5"
FTG, -8 JIC TUBE x 90° w/BARB
#8 STNLS HOSE CLAMP
CUTTER, 9/16" ROTABROACH
ARBOR, ROTABROACH
1/2" OIL DRAIN HOSE

1
1
1
1
2
1
1
1

FUEL PUMP w/SCREEN, GSS 342

5A101-021
4HS010-070
5A001-121
5W001-009
5W001-010
5W001-022
7C008-050
7E010-049
7F008-032
7P156-082
7P157-219
7U030-046
7U100-055
7U375-001
7U375-002

ENGINE MNGMNT ASSY 04’ S2000
BRKT, FTC MNTG S2000
TIMING BOX, 04’ HONDA S2000, PROG
16-14GA MALE SLIDE INSULATED
16-14GA FEMALE SLIDE INSULATED
T-TAP CONN. 14-16 AWG
#8-32 x 1/2" SHCS, ZINC
#10 x 3/4 HXHD SLF DRL SHT MTL
8-32 HEX LOCK NUT
5/32 TEE
REDUCER UNION, 5/32" TO 7/32"
5/32" VACUUM LINE
TIE-WRAP, 7.5" NYLON
VELCRO-HOOK 1" BLACK
VELCRO-LATCH 1" BLACK

1
2
1
11
8
3
2
2
2
1
1
4'
8
.16YD
.16YD

4HS112-010
4HS010-110
4HS010-120
4HS012-011
4HS013-010
4HS110-060
7A250-050
7C060-020
7E010-049
7P375-017
7R002-052
7R002-056
7S350-200
7U030-016
7U030-036
7U035-001
8H040-022
8H040-040

AIR INLET ASSY S2000
MNTG BRKT, UPR, S2000 AIRBOX
MNTG BRKT, LWR, S2000 AIRBOX
INLET ELBOW, 3.5" MOD. S2000
AIRBOX, S2000
FLANGE ASSY, AIRBOX S2000
1/4-20 x .50 SHCS ZINC PLTD
M6 x 1.0 x 20mm HHCS
#10 x HXHD SLF DRL SHT MTL
3/8 NPT x 1/2 BEADED HSE BRB
#52 SAE TYPE F SS HOSE CLAMP
#56 SAE TYPE F SS HOSE CLAMP
3-1/2 x 2 SLEEVE, BLUE
1/4" EFI HP FUEL LINE
1/2" OIL DRAIN HOSE
3-1/2" FLEX HOSE
3/4" BREATHER
AIR FILTER, 3.5" FLG x 5.52"

1
1
1
1
1
1
8
1
2
1
2
2
1
1
3
.41'
1
1

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

2004 HONDA S2000
Part No. 4HS218-020SQ
®

PARTS LIST,

ENGINEERING, LLC

IMPORTANT:
PART #

Before beginning installation, verify that all parts are included in the kit. Report any shortages or
damaged parts immediately.
DESCRIPTION

QTY

8N401-040
008341
7A250-050
7P156-082
7P250-033
7P500-026
7R002-044
7S275-200
7S275-300
7U030-030
7U030-046
8H040-175
8N055-050
8N301-240

PWR COOLR ASSY, 04' HONDA S2000
VORTECH CHARGE COOLER DECAL
1/4-20 x .50 SHCS ZINC PLTD
5/32 TEE
1/4 x 5/32 RED.UNION
1/2 NPT x 3/4 BARB 90° BRASS
#44 SAE TYPE F SS HOSE CLAMP
SLEEVE, BLUE, 2.75" D x 2.00" L
2-3/4" x 3", BLUE
1/4" VACUUM HOSE
5/32" VACUUM LINE
FILTER, 1-3/4" I.D., RACE BYP
PLASTIC CAP, SURGE TANK
PWR COOLR CORE ASSY, 04' S2000

1
1
2
1
1
2
4
1
1
3
2
1
1
1

8N106-110
4HS010-080
4HS010-090
4HS010-100
5W001-002
5W001-009
5W001-011
5W001-014
5W001-015
5W001-017
5W001-019
7A250-050
7A250-075
7E010-049
7F250-021
7J250-001
7P375-075
7P500-026
7P500-078
7R003-027
7R007-001
7U038-000
7U038-012
8F001-402
8F101-310
8N006-010
8N055-030

WATER PUMP/COOLR ASY S2000
MNTG BRKT, H20 TANK, S2000
H20 COOLR MNTG BRKT, UPR S2000
H20 COOLR MNTG BRKT, LWR S2000
FUSE TAP
16-14GA MALE SLIDE INSULATED
16-14GA RING TERM. .26" HOLE
FUSE HOLDER 10GA WIRE
FUSE, BLADE TYPE 20 AMP
12-10GA x 3/8" RING TERMINAL
10-12GA BUTT CONN INSULATED
1/4-20 x .50 SHCS ZINC PLTD
1/4-20 x 3/4 SHCS PLTD
#10 x 3/4 HXHD SLF DRL SHT MTL
1/4-20 NYLOCK NUT ZINC PLATED
1/4 WASHER, SAE, PLTD
3/4" HOSE BARB UNION, BRASS
1/2 NPT x 1/4 BARB 90° BRASS
1/2 NPT x 3/4 HOSE FIT STRT
ADEL CLAMP, 1-11/16"
NYLON RATCHET CLAMP 1-1/8"
3/4" HEATER HOSE
HOSE, Ø3/4" 90° 4 x 12 LEGS
PUMP, WATER, PIERBURG
FUEL PUMP RELAY ASSY, HONDA
WATER COOLR, SETRAB SINGLE PAS
TANK, WATER, TRIANGLE SHAPE

1
1
1
1
1
1
2
1
1
1
1
2
3
10
3
10
1
3
1
1
10
12
2
1
1
1
1

8D204-011
7A250-074
7A312-126
7F312-022
7J006-093
7P125-109
7U100-086
8D003-080
8D004-023
8D004-053
8D004-083
8D104-042
7C011-200
7F010-030
7P125-020
7U100-049
8D004-031
8D004-061
8D004-091

RACE BLOWOFF VALVE-SATIN
1/4-20 x .75 HHCS PLTD
5/16-18 x 1.25 SET SCRW OVAL P
5/16-18 JAM NUT, STAINLESS
6mm WASHER, PLATED
FTG, 1/8 NPT - 1/4 BARB, AL
SNAP RING, COMPACT BYPASS
RATAINER, SPRING
COVER, RACE BYPASS-BLUE
GASKET, MTG FLNG, M.F. RACE BYPASS
SPRING, MFRB, 12" HG
MFRB BODY ASSY SATIN
10-32 SHCS x 2" ZINC PLATE
10-32 THIN NYLOCK NUT SST
BREATHER, SFMU
O-RING, COMP.BYPASS
VALVE, COMPACT BYPASS ANODIZED
PISTON, COMPACT BYPASS MACHINED
DIAPHRAM, COMPACT BYPASS

1
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

cont’d

PART #
8D004-141
8D104-042R
4HS020-010

viii

DESCRIPTION

QTY

SLEEVE, COMPACT BYPASS MACHINED
MINI BYPASS GUIDE ASSY

1
1

INSTRUCT MANUAL, HONDA S2000

PREPARATION/REMOVAL
A. Disconnect the negative battery cable.
B. Remove the factory engine air filter enclosure
cover.
C. Disconnect the crankcase ventilation tube and
the air pump inlet hose attached to the rubber
inlet duct leading to the throttle body.
D. Remove the vacuum/coolant tubing junction from
the vehicle. Tag and label the vacuum hoses for
ease of reassembly in later steps. (See Figs
1-a,1-b,1-c.)
NOTE: Make sure that the rubber hoses that are
shown in Fig. 1-c are also removed from
the vehicle along with the tubing junction.

E. Detach the pressure solenoid from the plastic air
filter enclosure (single phillips head screw). (See
Fig. 1-b.)
F. Separate the rubber vacuum hoses and wiring
from the air filter enclosure.
G. Remove the rubber inlet duct from the throttle
body and the air filter.
H. Remove the air filter and enclosure from the
vehicle.
I. Remove the screw securing the plastic vacuum
canister to the backside of the front crossmember
(located in front of the engine). Set aside for
reinstallation at a later time.
J. Remove the accessory belt and crank damper
pulley from the engine. Removal of the crank
damper pulley bolt may require Honda sourced
tools (07JAB-001020A handle and 07JAA001020A damper socket). Set aside the damper
screw for reinstallation at a later time.
K. Remove the factory idler (smooth) pulley and
hardware and set aside temporarily. (See Fig.
1-d.)
L. Remove the two factory M8 x 1.25 screws that
attach the front corner of the cylinder head to the
engine front cover (see Fig. 1-e).
M. Disconnect the wiring from the VTEC solenoid
assembly. Remove the three screws attaching
the solenoid assembly to the side of the cylinder
head. (See Figs. 1-f,1-g.) Set the VTEC solenoid
assembly aside for mounting in a later step.
Make sure that the o-ring sealing gasket does not
get lost or damaged, because it will be re-used in
a later step.

Fig. 1-a

Fig. 1-b

Fig. 1-c

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

PREPARATION/REMOVAL, cont’d.

REMOVE SCREWS

Fig. 1-d

Fig. 1-e

Fig. 1-f

Fig. 1-g
P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

OIL FEED
A. The supercharger uses engine oil for lubrication
and must have an oil feed line connected to a
filtered oil access on the engine.
B. Locate the oil pressure sending unit on the passenger side of the engine, toward the front (see
Fig. 2-a). Using a 7mm socket, remove the signal
wire from the sending unit. Using a 15/16 socket,
remove the sending unit from the engine.
C. Install the supplied 1/8" BSP adapter into the
block. Install the supplied 1/8" NPT street TEE
into the BSP adapter. Thread the stock sending
unit into the tee as shown in Fig. 2-b. Reattach
the stock signal wire and nut to the sending unit.
NOTE:

Use only clean engine oil on the pipe
threads. Teflon tape or pipe sealant is not
recommended as it might loosen and cause
blockage of the small oil feed orifice resulting in possible supercharger failure.

OIL PRESSURE SENDING UNIT

Fig. 2-a

D. Install the supplied 90° x 1/8" NPT x #4 flare fitting
into the previously installed TEE. (See Fig. 2-c.)
Make sure that the fitting is tightened and clocked
as shown.
E. Temporarily cover the open fitting hole to keep
out debris until the connection is made to the
supercharger hose in step 12.

Fig. 2-b

Fig. 2-c

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

OIL DRAIN
A. Drain the engine oil and change the filter.
B. To provide an oil drain for the supercharger, it is
necessary to make a hole in the pan.
C. Remove (6 screws) the tubular chassis
crossmember located beneath the rear of the
engine.
D. Remove the oil pan bumper that is attached to
the vehicle frame in front of the oil pan.
E. Remove the two screws that attach the oil pan to
the transmission bellhousing.
F. Remove the two lower A/C compressor pump
mounting bolts that attach to the oil pan mounting
bracket. Leave the small aluminum mounting
bracket attached to the pan.
G. Remove the remaining oil pan screws around the
perimeter of the pan and carefully remove the
pan.
H. Locate and mark the drain hole location on the oil
pan as per Figs. 3-a, 3-b. The hole location is
between the two fins as shown, and down from
the sealing surface of the pan 1.25". Grind down
the fins on the oil pan as shown.
I. Using the supplied 9/16" rota-broach cutter and
arbor, carefully machine a through hole into the
pan in the location specified.
J. From the outside of the pan, tap the hole with a
3/8" NPT tap approximately 1/4" deep. Pack the
flutes of the tap with heavy grease to hold the
chips. Thoroughly clean the threads and hole
with acetone or lacquer thinner.
K. Using a small amount of silicone sealer, install
the 3/8 NPT x 1.5" hex nipple into the oil pan.
Thread the supplied 3/8" NPT female x -8 flare
fitting onto the hex nipple. Temporarily cap the
fitting until the drain hose is connected in step 12.
L. Thoroughly clean the mating surface of the oil
pan flange and the bottom of the engine block.
The surfaces must be free from oil so that a
proper seal can be achieved when the pan is
reinstalled.
M. Apply a small amount of Hondabond sealer (available at the local Honda dealership) to the oil pan
mating flange.
N. Reattach the pan to the engine. Reinstall all of
the factory hardware.
O. Reinstall the two A/C compressor screws, factory oil pan bumper and chassis crossmember.
P. Re-fill engine with factory specified weight oil.
Vortech recommends the use of synthetic oil.

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

1.25”

Fig. 3-a
GRIND FINS AS SHOWN

Fig. 3-b

CRANK DAMPER PULLEY INSTALLATION
A. Locate the supplied damper pulley and billet
aluminum supercharger crank pulley.
B. The aluminum supercharger crank pulley is to be
installed over the new damper pulley as shown in
Fig. 4-a. Be sure to rotate the aluminum pulley so
that the holes properly line up with the corresponding threaded holes in the damper. Ensure
that the damper is smooth and clean where the
aluminum pulley is to be seated.
C. Carefully lower the aluminum pulley down onto
the damper. Make sure that the aluminum pulley
is completely seated onto the damper. Do not
hammer or pry the pulley into place. If necessary, the aluminum pulley may be lightly heated
to allow for an easier fit onto the damper pulley
D. Secure the pulley and damper together using the
six supplied 10-24 x .50 socket head screws.
Use a drop of blue Loctite on the threads on each
of the screws. Torque the screws to 50 in/lbs (4-5
ft/lbs.)
E. Clean the damper pulley screw and washer that
were removed in step 1. Using a small amount of
engine oil, lubricate the screw threads and the
bottom side of the screw head (area that mates
to the washer). Install the new crank pulley
assembly onto the engine. Torque the screw to
181 lb/ft. Do not use an impact wrench. In order
to achieve the correct torque on the screw,
Honda sourced tools may be required (07JAB001020A handle and 07JAA-001020A damper
socket) to keep the assembly from rotating.

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

CRANK DAMPER PULLEY INSTALLATION, cont’d.

VORTECH SUPPLIED
CRANK DAMPER
PULLEY

6.0” ALUMINUM
SUPERCHARGER CRANK
PULLEY

6 x 10-24 x .50
SCREWS (TORQUE
EVENLY TO 50 IN/LBS)

Fig. 4-a

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

FUEL MANAGEMENT UNIT
A. Disconnect and discard the factory rubber fuel
return line running from the fuel pressure regulator outlet to the steel return line located under the
vehicle.
B. Remove the relay from the factory bracket/tab
near underhood fuse box. (See Figs 5-a, 5-b.)
Remove the bracket/tab from the vehicle and
discard. Move the relay toward the underhood
fuse box to make space for mounting of the
Vortech FMU.
C. Position the FMU onto the driver side inner
fender as shown in Figs. 5-c, 5-d. Mark and drill
holes and secure the FMU with the supplied
sheet metal screws.
D. Route the supplied 34” hose as shown in Fig. 5-f.
Connect the FMU inlet hose (the hose that goes
to the 90° fitting on the side of the FMU) to the
return side of the factory fuel regulator. Trim
hose length if needed. Secure the fuel line away
from abrasion and exhaust with the tie wraps
provided. Make sure the hose end is securely
clamped onto the regulator outlet using one of
the supplied #4 clamps.
E. Route the supplied 28” hose as shown in the
diagram. Connect the FMU outlet hose (attaches
to the center fitting on the bottom of the unit) to
the steel return line running to the tank (see Fig.
5-e). Trim hose length if needed. Secure the fuel
lines away from abrasion and exhaust with the tie
wraps provided. Make sure the hose end is
securely clamped onto the return line using one
of the supplied #4 clamps.
F. Attach the supplied 28” length of 5/32” vacuum
hose to the fitting on top of the FMU. Splice the
opposite end of the hose into the factory fuel
regulator vacuum connection using the 5/32”
TEE provided. Trim hose length as necessary.

RELOCATED RELAY

Fig. 5-a

Fig. 5-b
FMU MOUNTING HOLES

Fig. 5-c

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

FUEL MANAGEMENT UNIT, cont’d.

Fig. 5-d

FACTORY RETURN
LINE INTO TANK

Fig. 5-e

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

FUEL PRESSURE
REGULATOR

ATTACH TO MANIFOLD VACUUM

SUPPLIED 34” FMU
INLET HOSE —
SECURE BOTH
ENDS WITH CLAMPS

Fig. 5-f

SUPPLIED 28” FMU
OUTLET HOSE —
SECURE BOTH
ENDS WITH CLAMPS

FMU OUTLET

FMU INLET

FMU/FUEL LINE DIAGRAM

VEHICLE’S STOCK
RETURN LINE
(TO TANK)

5.
FUEL MANAGEMENT UNIT, cont’d.

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

FUEL PUMP REPLACEMENT
A. Remove the spare tire from inside the vehicle’s
trunk.
B. Remove the holding tray for the convertible top,
located behind the seats. Remove all of the
pushpins securing the holding tray. (Refer to
page 20-71 of the factory service manual for the
location of all the pushpins) Slide the tray out by
way of the trunk. (See Fig. 6a.)
NOTE:

Pressing in on the center of the black plastic removable rivets with a small screwdriver
will cause them to release.

C. Remove the three- (3) screws securing the cover
of the fuel tank.
D. Disconnect the fuel feed and return lines from the
top of the tank along with the electrical connectors.
E. Remove the eight- (8) screws securing the top of
the fuel pump module to the gas tank. Carefully
remove the fuel pump module using care not to
damage the fuel level sender. (See Fig. 6-b.)
F. Disconnect the electrical connector connecting
to the fuel pump.
G. Unsnap the white plastic retaining clip next to the
fuel filter. (See Fig. 6-c.)
H. Using a pair of pliers, slide the spring clamp on
the short fuel hose down and remove the fuel
pump from the module. (See Fig. 6-d.)
I. Carefully remove the small retaining clip securing the fuel filter to the bottom of the fuel pump.
Remove the fuel filter and attach it to the provided
replacement fuel pump and secure it with the
small retaining clip previously removed.
J. Remove the short fuel line from the discharge of
the fuel pump and install onto the new fuel pump.
K. Reinstall the removed components in reverse
order.

Fig. 6-a

Fig. 6-b

Fig. 6-c

Fig. 6-d
P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

FUEL RAIL/REGULATOR MODIFICATIONS (2004 Models Only)
4.10"

.60"

DRILL WITH AN ‘R’ DRILL
AND TAP 1/8 NPT

2004 FUEL RAIL
MODIFICATIONS

Fig. 7-a

A. Disconnect the fuel feed line running to the
middle of the factory fuel rail.
B. Remove the hose connected to the return side of
the fuel regulator.
C. Loosen the factory screws securing the fuel rail
and remove the fuel rail from the vehicle.
D. Using Figs. 7-a, 7-b, mark the location to be
drilled. Keeping the drill perpendicular to the fuel
rail, drill a .339" (R drill bit) hole into the top of the
fuel rail.
E. With a 1/8 NPT tap, thread the newly drilled hole
until the tap is 1/3 of the way inside the hole or the
supplied 1/8 NPT x -4 fitting can be started.
Thoroughly clean all debris from the fuel rail.
F. Using a thread sealant, install the 1/8 NPT end of
the supplied fitting into the fuel rail until the fitting
is snug.
G. Reinstall the fuel rail back into the vehicle. Reconnect the fuel feed line and secure all the
factory hardware.
NOTE:

RETURN HOSE

FUEL FEED LINE

SUPPLIED -4 x 1/8NPT FITTING

Fig. 7-b

FUEL PRESSURE
REGULATOR

At this time, leave the fuel return line disconnected from the fuel regulator.

DRILL .078" HOLE

H. Remove the two screws securing the fuel pressure regulator to the fuel rail.
I. Following Fig. 7-c, drill a .078" hole in the rear of
the regulator. (This allows the regulator to bypass more fuel due to increased static fuel pressure.)
NOTE:

This step is also recommended for 20012003 model years.

Clean all debris and reinstall the fuel pressure
regulator back onto the fuel rail, verifying alignment of the O-ring.
K. Reconnect the fuel return line to the bottom barb
on the fuel pressure regulator.

Fig. 7-c

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION
A. Detach the factory wiring harness from the rear of
the front crossmember for mounting bracket clearance. Push the harness down toward the steering rack.
B. Remove the two factory M6 x 1.0 screws from the
passenger side front of the engine near the crank
pulley at the location shown in Fig. 8-a.
C. Locate the lower supercharger plate spacer.
This is a .75" thick aluminum spacer that is 2.9"
wide x 4.05" tall with two 1/2" round protrusions
machined into one end. Slide the two supplied 10
mm studs through the holes in the lower plate
spacer. With the studs located loosely through
the lower plate spacer, thread the two studs into
the front cover as shown in Figs. 8-b, 8-n, 8-o.
This step must be done as described because of
the limited space available in the engine compartment. Use a drop of blue Loctite on the
threads of the studs before threading them into
the engine. Tighten the studs into the front of the
engine by using a stud wrench, or by temporarily
threading two nuts on the end of each stud and
torquing. Remove the nuts from the ends of the
studs.
D. Attach the supplied 6 grooved idler pulley to the
main supercharger mounting plate as shown in
Figs. 8-c, 8-d, 8-e, 8-f. Slide one of the supplied
3/8-24 x 3.5" screws through the machined bearing pilot, 6 groove idler pulley and steel idler
spacer (1.772" effective length x Ø.406" through
hole). Attach the complete assembly to the aluminum mounting plate by threading the 3/8-24 x
3.5" screw through the plate and into the threaded
steel insert that is pressed into the plate.
E. Attach the belt tensioner adjustment screw,
tensioner arbor and adjustment screw locator
block to the supercharger mounting plate as
shown in Figs. 8-e, 8-f, 8-g, 8-h, 8-i. Secure the
assembly to the plate by threading the two 1/4-20
x .75" socket head screws through the plate and
into the adjustment screw locator block as shown.
Make sure the locator block is positioned as
shown in Fig. 8-h or you will experience oil feed
line clearance issues.
F. Slide the supplied smooth idler pulley and steel
idler spacer (1.772" effective length x Ø.515"
through hole) over the tensioner arbor that was
previously installed onto the mounting plate.
Install the 12 mm washer and 1/2-20 jam lock nut
over the idler and arbor. Do not tighten the nut at
this time. (See Fig. 8-f.)
G. Remove the blue plastic dust cap located on the
1/2" oil drain fitting on the bottom of the supercharger. Attach the supplied 1/2" x 18" fabric
braided oil drain hose to the supercharger drain

Fig. 8-a

Fig. 8-b

Fig. 8-c

Fig. 8-d
P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION, cont’d.
REMOVE FACTORY
SCREWS

DO NOT INSTALL HARDWARE
IN THIS HOLE AT THIS STEP
M12 x 1.75 x 50mm SCREW WITH
WASHER INSTALLED THROUGH
SUPPORT PLATE AND Ø1.0 x .549
SPACER AND INTO SUPERCHARGER
BOSS (SPACER SANDWICHED
BETWEEN CENTER SUPERCHARGER
BOSS AND SUPPORT PLATE)

3/8-16 x 1.25 SCREW
WITH AN WASHER

1/2-20 BELT TENSIONER
ARBOR SCREW
INSTALLED (FROM
OTHER SIDE)
THROUGH MAIN
PLATE IDLER SPACER
SMOOTH IDLER - M12
x 10" THICK WASHER
AND 1/2-20 JAM LOCK
NUT (SEE SIDE VIEW)
BELT TENSIONER
ADJUSTMENT SCREW
AND LOCATOR BLOCK
(LOCATED ON OPPOSITE
SIDE OF PLATE) ATTACHED
WITH TWO 1/4-20 x .75
SH SCREWS THREADED
IN FROM THIS SIDE
OF MAIN PLATE

3/8-24 x 3.5" SCREW/
BEARING PILOT
INSTALLED THROUGH
RIBBED IDLER AND
SPACER AND INTO
THE NUT INSTALLED
IN THE MAIN PLATE
(SEE SIDE VIEW)

MAIN SUPERCHARGER
MOUNTING PLATE

MAIN SUPERCHARGER MOUNTING PLATE
VIEW FROM BACKSIDE
(DASHED LINES REVEAL HIDDEN VIEWS)

Fig. 8-e

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION, cont’d.

SMOOTH IDLER
PULLEY - Ø3.0

SMOOTH IDLER
SPACER - Ø.515
INSIDE DIAMETER

M12 x .10” THICK WASHER

1.772

1/2-20 JAM LOCKNUT
(DO NOT TIGHTEN
UNTIL LAST STEP)

BELT
TENSIONER
ARBOR
1.772

PRE-INSTALLED
3/8-24 “PRESS
NUT” INSERT

3/8-24 x 3.5"
SCREW

BEARING PILOT - Ø.386
INSIDE DIAMETER

RIBBED IDLER
SPACER Ø.406
INSIDE DIAMETER
MAIN SUPERCHARGER
MOUNTING PLATE

RIBBED IDLER
PULLEY - Ø3.0

MAIN SUPERCHARGER MOUNTING PLATE
VIEW FROM PASSENGER SIDE

Fig. 8-f

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION, cont’d.

BELT TENSIONER
ARBOR SCREW

Fig. 8-g

BELT TENSIONER
ADJUSTMENT SCREW

ADJUSTMENT SCREW
LOCATOR BLOCK

Fig. 8-h

Fig. 8-i

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION, cont’d.
fitting. Secure with a #8 hose clamp. Make sure
that the hose clamp housing is clocked down
toward the supercharger so that it will not cause
interference with the supercharger mounting plate
that is to be installed. (See Fig. 8-j.)
H. Remove the blue plastic dust cap located on the
brass oil feed nozzle on the side of the supercharger. Thread the supplied steel 1/8" NPT x
45° x –4JIC fitting into the supercharger oil feed
nozzle. Carefully tighten and clock the 45° fitting
as shown in Figs. 8-j, 8-k. Use caution when
tightening the oil feed fitting, as the brass nozzle
may be broken if care is not exercised. Connect
the supplied oil feed line to the flare fitting.
Temporarily cover the open end from debris until
the connection is made to the engine in step 12.
NOTE:

Fig. 8-J

Attach the supercharger unit to the mounting
plate as shown using the five supplied 3/8-16 x
1.25" screws with AN washers. The sixth supercharger mounting hole should remain empty at
this time. (Refer back to Fig. 8-e, and Fig. 8-k.)
Using two of the supplied 3/8-16 x 1.25" screws
with AN washers, attach the upper supercharger
support plate to the supercharger mounting block
as shown in Figs. 8-l, 8-m. Thread the screws
down until the heads almost touch the plate/
washers. Do not tighten the screws at this time.

NO FASTENER HERE AT THIS TIME

Fig. 8-K
NOTE:

When directed, it is important to follow the
suggestion: “Do not tighten the screws”.
Failure to follow this direction will result in
bracket misalignment and the possibility of
the VTEC solenoid not maintaining a proper
seal. Thread the applicable screws and nuts
in until the head almost touches down (.01.02" clearance). This will allow the bracket
to properly align itself to the engine and
other components in the assembly during
installation.

K. From the back side, slide the supplied 3/8-16 x
3.5" screw and AN washer through the top hole
(refer to Figs. 8-n, 8-o) of the upper support plate
and into one of the supplied Ø.875 O.D. x 1.858"
long spacers. Loosely mount the support plate
assembly with spacer onto the supercharger and
previously assembled main supercharger plate.
3/8-16 x 1.25
SCREWS WITH AN
WASHERS (DO NOT
TIGHTEN)

Fig. 8-l
P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION, cont’d.

3/8-16 x 1.25 SCREWS WITH
AN WASHERS (DO NOT
TIGHTEN SCREWS UNTIL
ENTIRE BRACKET
ASSEMBLY IS MOUNTED
ONTO ENGINE)

SUPERCHARGER PLATE
MOUNTING BLOCK
(SANDWICHED BETWEEN
VTEC SOLENOID AND
CYLINDER HEAD)

SUPERCHARGER
SUPPORT PLATE

PRE-INSTALLED 3/8
-24 “PRESS NUT”
INSERT (LOCATED
ON BACKSIDE OF
PLATE)

HOLE FOR M12 x 1.75 x
50mm SCREW (INSTALLED
FROM BACKSIDE)

SUPERCHARGER SUPPORT PLATE
VIEW FROM FRONT (BEFORE
JOINING TO MAIN PLATE
ASSEMBLY)

Fig. 8-m

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION, cont’d.

3/8-16 x 3/5” SCREW/AN WASHER INSTALLED
FROM THE BACKSIDE THROUGH SUPPORT
PLATE AND Ø.875 x 1.858 SPACER AND INTO
SUPERCHARGER (SPACER SANDWICHED
BETWEEN MAIN PLATE AND SUPPORT PLATE)
SUPERCHARGER PLATE MOUNTING
BLOCK (SANDWICHED BETWEEN
VTEC SOLENOID AND CYLINDER HEAD)
M12 x 1.75 x 50mm SCREW WITH
WASHER INSTALLED FROM THE
BACKSIDE - THROUGH SUPPORT
PLATE AND Ø1.0 x .549 SPACER
AND INTO SUPERCHARGER
(SPACER SANDWICHED BETWEEN
CENTER SUPERCHARGER BOSS
AND SUPPORT PLATE)

5/16-18 x 1.0 SCREWS
WITH AN WASHERS
THROUGH MAIN PLATE
INTO LATERAL SUPPORT
PLATE

3/8-24 x 3.5” SCREWS/AN
WASHERS INSTALLED
FROM THE FRONT THROUGH MAIN PLATE
AND Ø.875 x 1.858
SPACERS AND INTO
SUPPORT PLATE (SPACERS
SANDWICHED BETWEEN
MAIN PLATE AND SUPPORT
PLATE)

FACTORY
SPRING
TENSIONER
M10 x 1.25 x 115 SCREW
WITH WASHER THROUGH
MAIN PLATE - Ø1.0 x
Ø2.726 SPACER, FACTORY
IDLER AND INTO FACTORY
THREADED IDLER
MOUNTING HOLE
ON FRONT COVER

Ø3.0” SUPERCHARGER
TENSIONER PULLEY
(SMOOTH)
BELT TENSIONER ARBOR

FACTORY FIXED
IDLER
FACTORY
BELT

BELT TENSIONER ADJUSTMENT SCREW
ADJUSTMENT SCREW AND LOCATOR
BLOCK ATTACHED WITH TWO 1/4-20 x .75
SH SCREWS THREADED IN FROM THE
BACK SIDE OF MAIN PLATE
3/8-24 x 3.5 SCREW/BEARING PILOT INSTALLED
FROM THE BACKSIDE THROUGH RIBBED
IDLER AND SPACER AND INTO “PRESSED NUT”
INSERT INSTALLED IN MAIN PLATE

CRANK
PULLEY

M6 x 1.0 NUTS WITH WASHERS INSTALLED
ONTO STUDS PREVIOUSLY THREADED INTO
FRONT OF ENGINE (REMOVE FACTORY
HARDWARE)
LOWER SUPERCHARGER PLATE SPACER (ROUND
PROTRUSIONS TO BE INSTALLED AGAINST THE
FRONT COVER)

OIL PAN FLANGE
SUPERCHARGER DRIVE BELT

FRONT VIEW OF ENGINE
(DASHED LINES REVEAL HIDDEN VIEWS)
Fig. 8-n

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

FACTORY
BOSSES
LOCATED ON
ENGINE FRONT
COVER

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION, cont’d.

3/8-16 x 3.5” SCREW / AN WASHER
INSTALLED FROM THE BACKSIDE
THROUGH SUPPORT PLATE AND
Ø.875 x 1.858 SPACER AND INTO
UPPER SUPERCHARGER MOUNTING
BOSS (SPACER SANDWICHED BETWEEN
MAIN PLATE AND SUPPORT PLATE)
M6 1.0 x 80mm SCREWS
THROUGH VTEC SOLENOID
(NOT SHOWN), SUPERCHARGER
PLATE MOUNTING BLOCK
AND INTO CYLINDER HEAD)

CENTER M12
SUPERCHARGER BOSS

SUPERCHARGER PLATE
MOUNTING BLOCK
M10 x 1.25 x 50mm SCREW
WITH WASHER THROUGH
SUPERCHARGER PLATE MOUNTING
BLOCK AND INTO CYLINDER HEAD

3/8-24 x 3.5’ SCREWS
INSTALLED FROM THE
FRONT THROUGH MAIN
PLATE AND Ø.875 x 1.858
SPACERS AND INTO
SUPPORT PLATE, SPACERS
SANDWICHED BETWEEN
MAIN PLATE AND SUPPORT
PLATE — 3 PLACES)

.549

M12 x 1.75 x 50 SCREW

1.858

M12 WASHER

CYLINDER HEAD
Ø1.0” x .549 SPACER
PRE-INSTALLED 3/8-24
“PRESS NUT” INSERT (3 PLACES)

2.726

3/8"
WASHER

FACTORY FIXED IDLER
M10
WASHER
Ø1.0" x 2.726
STEEL SPACER

SUPERCHARGER
SUPPORT PLATE

M6 x 1.25 x 1.15 SCREW
THROUGH MAIN PLATE.
Ø1.0 x 2.726 SPACER
FACTORY IDLER AND
INTO FACTORY
THREADED IDLER
MOUNTING HOLE
ON FRONT COVER

M6 x 1.0 NUTS WITH WASHERS INSTALLED
ONTO STUDS PREVIOUSLY THREADED
INTO FRONT OF ENGINE

FRONT FACE OF
ENGINE BLOCK

SUPERCHARGER
MOUNTING PLATE
LOWER SUPERCHARGER PLATE SPACER
(ROUND PROTRUSIONS TO BE INSTALLED
AGAINST THE FRONT COVER)

SUPERCHARGER BRACKET ASSEMBLY VIEW FROM PASSENGER SIDE —
VORTECH IDLERS AND SOME FASTENERS NOT SHOWN FOR CLARITY
(DASHED LINES REVEAL HIDDEN VIEWS)

Fig. 8-o

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION, cont’d.

P.
Q.

The 3/8-16 x 3.5" screw is to be threaded through
the main supercharger plate and into the remaining 3/8" threaded mounting hole on the supercharger unit. (See Fig. 8-p.) Thread the screw
down until the head almost touches the plate/
washer. Do not tighten the screw at this time.
Mount the remaining three Ø.875 O.D. x 1.858"
long spacers between the main supercharger
mounting plate and the upper support plate as
shown in Figs. 8-P, 8-q. From the front side, slide
the three supplied 3/8-24 x 3.5" screws and AN
washers through the main mounting plate, through
the three Ø.875 O.D. x 1.858" long spacers and
into the threaded steel inserts that are pressed
into the back side of the support plate. (See Figs.
8-n, 8-o.) Thread the screws down until the
heads almost touch the plate/washers. Do not
tighten the screws at this time.
From the back side, slide the supplied M12 x 1.75
x 50 screw and M12 washer through the remaining hole in the upper support plate (refer to Figs.
8-o, 8-q.) and into the supplied Ø1.0 O.D. x .549"
long spacer. The spacer is to be sandwiched
between the front side of the upper support plate
and the center 12 mm boss located on the
supercharger cover. Thread the screw down
until the head almost touches the plate/washer.
Do not tighten the screw at this time.
From the front side, slide the supplied M10 x 1.25
x 115 screw and M10 washer through the remaining hole in the mounting plate and into the
supplied Ø1.0 O.D. x 2.726" long steel spacer.
(See Figs. 8-r, 8-s.)
Insert the new supplied VTEC o-ring gasket seal
into grooves in the Vortech supercharger plate
mounting block. as shown in Fig. 8-t. Make sure
that the gasket remains in the block grooves
during bracket installation on the engine. Apply a
light amount of oil to the gasket.
Place the factory idler (removed in step one)
back onto the original boss on the front of the
engine (without hardware, washer or dust shield).
Loosely route the factory accessory belt onto the
engine. The belt should be routed around the
crank pulley and fixed idler pulley per the factory
method. Do not attempt route the belt around the
spring tensioner at this time.
Loosely route the supplied supercharger drive
belt onto the engine. Following Fig. 8-n, loosely
attach the supercharger with bracket assembly
onto the engine. Line up the two Ø1/4" holes in
the main bracket with the lower spacer and two
M6 studs (previously installed). Move the bracket
assembly over the studs. Thread the supplied
M6 nuts with washers over the ends of the studs
until the nuts almost touch the washers. Do not
tighten the nuts at this time.

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

Ø.875 x 1.858 SPACERS (4x)

3/8-16 x 3.5 SCREW
INTO SUPERCHARGER

Fig. 8-p

M12 x 1.75 x 50
SCREW/WASHER

Fig. 8-q

M10 x 1.25 x 115 SCREW
WITH Ø2.726” SPACER

Fig. 8-r

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION, cont’d.

SLIDE THE Ø1.0” x 2.726”
SPACER ONTO THE M10
x 1.25 x 115 SCREW
BEFORE ATTACHING
THE MOUNTING PLATE
TO THE ENGINE

Fig. 8-s

Fig. 8-t

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION, cont’d.
NOTE: When installing the supercharger with bracket
assembly onto the engine, the belt must be
manipulated so that it is properly routed
around the idler, tensioner, supercharger
pulley and lower supercharger plate spacer.
(Refer back to Fig. 7-n.)

S. Align the M10 x 1.25 x 115 screw (previously
inserted through the front of the main supercharger plate) into the factory idler pulley mount
on the front cover. (See Fig. 8-u.) Make sure that
the supplied Ø1.0 O.D. x 2.726" long spacer is
sandwiched between the back of the supercharger mounting plate and the inner bearing
race of the factory idler. Do not tighten any
screws at this time.
T. Insert the three supplied M6 x 1.0 x 80 screws
with washers through the previously removed
VTEC solenoid, the Vortech supercharger plate
mounting block and into the side of the cylinder
head. (See Figs. 8-v, 8-w.) Make sure that both
of the VTEC gaskets remain in their proper
locations during bracket installation on the engine. Thread the supplied M10 x 1.25 x 50 screw
with washer into the remaining hole in the supercharger plate mounting block and into the cylinder head. Thread the four screws down until the
heads almost touch the washers. Do not tighten
the screws at this time.
U. Attach the supplied lateral supercharger mounting plate (‘L’ shaped bracket) support to the front
corner of the cylinder head as shown using the
supplied M8 x 1.25 x 45 socket head screws (no
washers are used here). See Figs. 8-u, 8-x.
Thread the screws down until the heads almost
touch the plate. Do not tighten the screws.
V. Align the two threaded holes in the end of the
lateral support with the two holes in the supercharger mounting plate. Slide the two supplied
5/16-18 x 1.0" screws with AN washers through
the remaining two holes in the supercharger
mounting plate and into the lateral support. Thread
the screws down until the heads almost touch the
washers. Do not tighten the screws at this time.
W. Secure the completed mounting bracket assembly to the engine by lightly “snugging” the hardware in the following sequence:
1.
Four VTEC solenoid mounting screws.
2.
3/8-16 x 3.5" screw running through the top
hole of the upper support plate, Ø.875 O.D.
x 1.858" long spacer and into the supercharger.
3.
M12 x 1.75 x 50 screw running through the
upper support plate, Ø1.0 O.D. x .549"
spacer and into the center 12 mm boss

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

LATERAL MOUNTING PLATE

Fig. 8-u

M10 x 1.25 x 50

Fig. 8-v

Fig. 8-w

SUPERCHARGER MOUNTING BRACKET/PLATE INSTALLATION, cont’d.
located on the supercharger cover.
Two 3/8-16 x 1.25" screws with AN washers
that attach the supercharger support plate
to the supercharger mounting block.
5.
M10 x 1.25 x 115 screw through the front of
the supercharger mounting plate and into
the factory idler pulley mount on the front
cover.
6.
Two 5/16-18 x 1.0" screws through the supercharger mounting plate and into the lateral support.
7.
Two M8 x 1.25 x 45 socket head screws
through the lateral support mounting plate,
front corner of the cylinder head and into the
front cover.
8.
Three 3/8-24 x 3.5" screws running through
the main mounting plate, Ø.875 O.D. x
1.858" long spacers and into the threaded
steel inserts that are pressed into the back
side of the support plate.
9.
Two M6 nuts that are threaded onto the two
studs inserted into the front of the engine.
X. Repeat the sequence above with final torquing of
all hardware.
Y. Reconnect the previously removed VTEC wiring
connections.
Z. Reattach the plastic vacuum canister to the backside of the front crossmember (located in front of
the engine) using the factory screw that was
removed in step 1. Make sure that there is
enough clearance between the vacuum hose
and the crank pulley.
4.

TWO 5/16-18 x 1"
SCREWS WITH
AN WASHERS

TWO M8 x 1.25 x 45
SOCKET HEAD SCREWS
(NO WASHERS)

Fig. 8-x

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

SUPPLEMENTARY FUEL INJECTOR INSTALLATION (2004 Models Only)
A. Locate the supplied charge cooler. Insert the
supplied 55lb/hr fuel injector into the injector
base welded to the cooler discharge tube so that
the injector plug is facing away from the injector
base. (See Fig. 9-a.)
NOTE:

Lightly oil the O-rings on the injector for
easier installation.

B. Insert the upper block over the injector. Secure
the upper injector block with the supplied shoulder bolts.
C. Install the 1/8 NPT end of the supplied 90° fitting
into the upper injector block. Orient the fitting so
that it is pointing toward the back of the car.
D. Connect the 90° end of the supplied steel braided
line to the -4 end on the installed straight fitting in
the fuel rail. Run the fuel line toward the front of
the car. Leave the open end of the fuel line
disconnected until the charge cooler has been
installed. (See Fig. 9-b.)
NOTE:

INSTALLED INJECTOR

Fig. 9-a / TOP VIEW

Thread sealant is recommenced on all fitting ends that have pipe threads.

Fig. 9-b / TOP VIEW

10.

SUPERCHARGER BELT TENSIONER ADJUSTMENT
A. Make sure that the 1/2-20 jam lock nut previously
threaded onto the tensioner arbor is threaded
down almost all of the way, but not tight. The belt
is tightened/loosened by rotating the belt tensioner
adjustment screw. Tighten the belt until light
resistance is felt in the belt tensioner adjustment
screw. Proper belt tension is achieved when the
belt can be twisted approximately 1/4 of a turn by
hand. Adjust belt tension as needed. Do not over
tension the belt.
B. From beneath the vehicle, tighten the 1/2-20 jam
lock nut on the belt tensioner arbor.
C. Reinstall the factory accessory belt using the
factory routing.

11.

AIR PUMP INLET HOSE MODIFICATION
A. Separate the air pump inlet hose from the factory
hose union that was originally connected to the
engine inlet duct.
B. Insert the supplied 3/4" air pump inlet hose filter
into the pump inlet hose. (See Figs. 11-a, 11-b.)

SUPPLIED AIR PUMP
INLET FILTER

Fig. 11-a / TOP VIEW

SUPPLIED AIR PUMP
INLET FILTER

Fig. 11-b / BOTTOM VIEW

12.

CHARGE AIR COOLER INSTALLATION

A. Attach the supplied breather/filter to the outlet of
the Vortech race bypass valve. Attach the Vortech
race bypass valve to the charge cooler core
using the supplied 1/4-20 x .50" socket head
bolts and gasket. (See Fig. 12-a.)
B. Install the charge cooler between the supercharger and the throttle body using the supplied
2.75" sleeves and #44 hose clamps. The 3" long
sleeve is to be placed on the throttle body.
C. Remove all of the plastic valance or splash
panels located under the vehicle toward the
front.
D. Install the fittings into the water cooler as shown
in Fig. Diag 12-b, and Fig. 12-d. Note that the 90°
fitting is to be pointing toward the front of the
vehicle when the water cooler is mounted.
E. Attach the water cooler mounting bracket #1 to
the upper portion of the cooler using the 1/4"
hardware as shown.
F. Trim one of the supplied Ø 3/4" x 90° hoses so
that one leg measures 3" and the other measures
5”. Attach the short leg of the cut hose to the
straight fitting on the water cooler and secure
with one of the provided nylon ratchet clamps.
Install the Ø 3/4" hose union into the other end
and secure with a clamp.
G. Position the water cooler onto the front of the
vehicle in front of the air conditioning condenser
using the lower mounting brackets as shown in
Fig. 12-c. Secure the water cooler using the
provided #10 self-tapping screws. Route the
attached cooler hose above the condenser hard
line. The upper mounting bracket attaches to the
hood latch screw. (See Fig. 12-e.)
H. Attach the short leg of the Ø 3/4" x 90° hose to the
hose union previously installed and secure with
one of the provided clamps.
I. Cut the electrical connector off of the end of water
pump wiring harness and install one 14–16 Ga.
ring terminal onto the brown (negative) wire and
the 18 Ga. insulated male slide connector onto
the blue/green wire (positive).
J. Mount the water pump to the front of the passenger side core support using the supplied 1-11/16"
Adel clamp and one #10 self-tapping screw.
Attach the ground wire (brown wire with ring
terminal installed) from the water pump to the
clamp. Angle the discharge of the water pump up
as shown. (See Fig.12-f.)
The discharge of the water pump must be angled
up. This is REQUIRED for the pump to purge itself
of air.
K. Attach an 18 Ga. insulated female slide connector to the yellow wire attached to the supplied
relay. Route the yellow wire from the relay to the
power distribution box located in front of the
P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

Fig. 12-a
UPPER BRACKET (#1)

LOWER BRACKETS

Fig. 12-b

Fig. 12c

WATER
RESERVOIR

27
WATER PUMP

WATER TANK
MOUNTING
BRACKET

WATER FLOW

FROM SUPERCHARGER

(FRONT VIEW)

Fig. 12-d

MOUNTING BRACKET #2
WATER COOLER

CHARGE AIR COOLER

WATER
COOLER

(SIDE VIEW)

CORRECT FITTING
ORIENTATION

12.
CHARGE AIR COOLER INSTALLATION, cont’d.

12.

CHARGE AIR COOLER INSTALLATION, cont’d.

battery. Following Fig. 12-g, route the wire up
along the factory wires.
L. Remove the factory heater motor relay located in
the underhood fusebox and modify to accept the
electrical power tap as shown in Fig. 12-h. Reinstall the relay with the power tap. Connect the
yellow wire to the power tap.
M. Attach the black wire from the supplied relay to a
suitable ground.
N. Route the red wire from terminal #87 on the
supplied relay down to the water pump. Install a
female insulated slide connector onto the wire
and connect to the blue/green (positive) wire on
the water pump.
O. Cut the supplied fuse holder wire and install the
12 GA ring terminal on one end and the 12 GA.
solderless connector onto the other. Connect the
#30 wire on the supplied relay to the solderless
connector attached to the fuse holder. Connect
the ring terminal to the positive side of the battery
and install the provided fuse.
P. Cut approximately 40" off of the supplied length
of Ø3/4" hose. Install one end onto the water
pump discharge and the other onto the 90° fitting
on the water cooler, routing it forward toward the
front facia. (See Fig. 12-i.) Be sure there are no
kinks or sharp bends in the hose. Secure both
ends with the provided clamps.
Use a tape measure to correctly check the proper
length and hose routing between each hose connection prior to actually cutting the hose.
Q. Temporarily install the water tank mounting
bracket onto the water reservoir using the 1/4"
hardware (see Fig. 12-j). Mock the water reservoir up as shown and mark the location on the
vehicles frame (passenger side, outer frame rail)
where the #10 self-tapping screws are to be
located. Remove the 1/4" hardware attaching the
bracket to the reservoir. Secure the bracket to
the vehicle using the self-tapping screws. (See
Fig. 12-k.)
R. Install the two remaining 90° brass fittings into
the water reservoir using a small amount of
thread sealant. Attach one end of the remaining
Ø 3/4" hose to the top of the water reservoir and
secure with a clamp.
S. Permanently attach the water reservoir to the
mounting bracket using the 1/4" hardware.
T. Route the upper reservoir hose into the engine
compartment (Figs. 12-j, 12-l) under the radiator
fan and then up between the radiator fan and the
condenser fan finally connecting it to the passenger side fitting on the charge air cooler. Secure
the hose with one of the provided clamps.
U. Measure between the bottom of the reservoir
water outlet and the pump inlet and cut an
appropriate section of hose and set aside.
P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)

UPPER WATER COOLER BRACKET

UPPER WATER
COOLER BRACKET

Fig. 12-e

WATER PUMP
OUTLET HOSE

Fig. 12-f

Fig. 12-g

MODIFY HERE

Fig. 12h

12.

CHARGE AIR COOLER INSTALLATION, cont’d.
V. A hole approximately Ø1" will have to be made
into the lower front plastic valance for the water
line to pass through. Locate the point where the
hose is to pass through and create a hole using
a hole saw or grinder.
W. Reinstall the lower front valance and attach the
passenger side only, leaving the drivers side
loose. Attach the hose previously cut between
the water reservoir and the water pump inlet and
secure with the provided clamps. (See Fig. 12-m.)
X. Temporarily plug the 90° fitting attached to the
driver side of the charge air cooler that connects
to the water cooler outlet hose. Leave the hose
that comes from the top fitting of the water cooler
open to atmosphere.
Y. Fill the system at the charge air cooler with 1/4 1/3 of a gallon of anti-freeze. Slowly fill the
remainder with water until it comes out of the
open hose coming from the top of the water
cooler, this will help to purge the system of air.
Connect the hose coming from the top fitting on
the water cooler to the open fitting on the charge
air cooler and secure with the provided clamp.
Continue to fill the system with water until it is full
and install the cap onto the charge air cooler.
Z. With the battery reconnected, key the vehicle to
the ON position. Slowly remove the cap on the
charge air cooler and check the level of the
coolant and make sure the coolant is flowing
through the system. Run the system for a few
minutes to allow any air trapped in the lower part
of the system to escape. Top the system off with
coolant if necessary and reinstall the cap.

Fig. 12-k

Fig. 12-l
Fig. 12-i

Fig. 12-m

Fig. 12-j
29

13.

AIR INLET DUCT INSTALLATION
A. When installing this supercharger system on
2002-2004 model year vehicles, the horn mounted
inside the engine compartment on the passenger side fender apron must be disconnected and
removed. The horn may be relocated or removed
completely from the vehicle. The vehicle will still
be equipped with the horn located inside of the
fender.
B. Thread the 3/8" NPT x 1/2" beaded brass hose
fitting into the threaded hole on the supplied
Ø3.5" x 90° plastic inlet elbow.
C. Install the Ø3.5" flange into the air box and
secure with four 1/4-20 x 1/2" SHCS. Install the
air filter onto the flange on the inside of the air
box.
NOTE:

Fig. 13-a

Rotate the hose clamp on the air filter such
that a screw/nut driver may be inserted
through the hole on the bottom of the air
box to tighten the hose clamp.

D. Secure the hose clamp on the air filter.
E. Install the upper and lower mounting brackets
onto the air box and secure with 1/4-20 x 1/2"
SHCS. (See Fig. 13-a.)
F. Remove the upper passenger side screw securing the vehicle’s cooling fan. Install the air box
into the vehicle on the passenger side. (See Fig.
13-b.) Secure the upper mounting bracket to the
cooling fan mount using the supplied M6 x 10 x
20mm screw.
G. Secure the lower mounting bracket to the vehicle
using the #10 self-tapping screws.
H. Install the supplied Ø3.5" sleeve and two #56
hose clamps onto the beaded end of the Ø3.5" x
90° plastic elbow.
I. Install the supplied Ø3.5" flex hose and two #52
hose clamps onto the flange on the air box.
Check to make sure that there are no obstructions, foreign objects or debris in the air filter, flex
hose or supercharger inlet. Attach the Ø3.5"
elbow to the supercharger and flex hose. Secure
both ends with the provided hose clamps. (See
Fig. 13-c.) Note that the 1/2” brass fitting should
be pointing down when the elbow is installed.

Fig. 13-b

Fig. 13-c

14.

HOSE ATTACHMENTS/EXTENSIONS
A. Connect the lower end of the supercharger oil
drain hose to the previously installed fitting in the
drain pan using the supplied 90° x 1/2" swivel
hose end. Hose routing must be downhill with
smooth bends and must not have kinks, sharp
bends or uphill sections. Trim hose length if
necessary. Secure the drain hose to the oil pan
fitting with a #8 clamp.
B. Connect the supercharger feed line to the previously installed flare fitting near the oil pressure
sending unit. Make a gentle forward loop around
and beneath the front crossmember. Secure the
hose with the tie wraps provided, routing it away
from chaffing and/or sharp objects.
NOTE:

C. Attach the supplied piece of 1/4" x 16" long hose
to the cylinder head coolant port that was previously connected to the factory vacuum/coolant
tubing junction removed in step 1. Attach the
remaining end of the hose to the corresponding
port on the throttle body. Secure both ends with
the previously removed factory clamps. (See
Fig. 14-a, 14-b.)
D. Install the length of 1/2" x 36" hose to the valve
cover vent barb. Connect the opposite end to the
1/2" brass barb located on the supercharger inlet
elbow. Trim the length if necessary.
E. Attach the length of supplied 1/4" vacuum
hose to the fitting on the cover of the Vortech
compressor bypass valve. Route the hose
over near the fuel rail. Install the supplied 5/32"
-1/4" hose reducer into the end of the 1/4"
hose. Splice one of the supplied 5/32" brass
TEEs into the fuel pressure regulator/FMU
signal hose. Attach the compressor bypass
vacuum hose to the remaining leg of the 5/32
TEE using a short piece of 5/32” vacuum hose.
(See Fig. 14-b.)
F. Reconnect the two factory vacuum hoses that
were removed in Step 1. Use the supplied
lengths of 5/32" tubing for extensions if required.
G. Re-attach the pressure solenoid (that was
removed in Step 1) to the harness and vacuum
hoses. Use a tie wrap to secure the unit down
toward the crossmember and away from the
crank pulley. (See Fig. 14-c.)

SUPPLIED 1/4”
HOSE x 16”

Fig. 14-a

SUPPLIED 1/4” HOSE x 16”

COMPRESSOR BYPASS
VACUUM HOSE

Fig. 14-b

Fig. 14-c

15.

ELECTRONIC CONTROL BOX INSTALLATION
NOTE:

2004 models do not require the installation
of a map controller.

A. Unclip the yellow wiring harness near the steering shaft above the accelerator / brake pedals
located underneath the dash on the interior of the
vehicle. (See Fig. 15-a.)
B. Referring to Fig. 15-a, mark the mounting hole
locations, spacing should be 3 7/8". Temporarily
attach the brackets to the timing controller and
check for proper spacing.
C. Drill the holes using the self tapping screws and
secure the brackets to the vehicle.
D. Following the diagram (See Fig.15-e) attach the
MAP controller to the bottom of the timing controller using the supplied hook and loop fastener.
NOTE:

Fig. 15-a

The MAP controller is offset to one side.
Make sure the wires route toward the
driver’s side door.

E. Mount the timing controller to the vehicle using
the supplied 8-32 hardware. Point the vacuum
line toward the drivers side and the wires toward
the passenger side. (See Fig. 15-b.)
F. Route the wires of the timing controller toward
the driver’s side.
G. Remove the drivers side kick panel and locate
the vehicles computer. Disconnect the three
electrical connectors to it. (See Figs. 15-c, 15-d.)
H. Tap the red wires from the timing controller and
the MAP controller into the yellow/black wire (1
IGP1) on the 25P connector. (See Fig. 15-f .)
I. Tap the black wires from the timing controller and
MAP controller into the black wire (2 PG1) on the
25P connector.
NOTE:

Each of the vehicles wires that are cut should
have a male and female slide connector installed on each end so that the timing box
or the MAP controller may be unplugged at
any time and the vehicle can run in a stock
configuration.

Cut the green/red wire (17 MAP) on the 31P
connector and install one male and one female
slide connector onto each end.
K. Connect the blue wire from the MAP controller to
the green/red wire leading to the engine compartment.
L. Connect the white wire from the MAP controller
to the green/red wire leading to the vehicle’s
computer.
M. Cut the blue wire (8 CKPP) on the 31P connector
and install one male and one female slide connector onto each end.
N. Connect the blue wire from the timing controller
to the blue wire leading to the engine compartment.

Fig. 15-b

Fig. 15-c

15.

ELECTRONIC CONTROL BOX INSTALLATION, cont’d.
O. Connect the blue/red wire from the timing
controller to the blue wire leading to the
vehicle’s computer.
P. Cut the green wire (20 TDC1P) on the 31P
connector and install one male and one
female slide connector onto each end.
Q. Connect the green wire from the timing
controller to the green wire leading to the
engine compartment.
R. Connect the green/red wire from the timing
controller to the green wire leading to the
vehicle’s computer.
S. Cut the yellow wire (20 TDC2P) on the 31P
connector and install one male and one
female slide connector onto each end.
T. Connect the yellow wire from the timing
controller to the green wire leading to the
engine compartment.
U. Connect the yellow/green wire from the
timing controller to the yellow wire leading
to the vehicle’s computer.
V. Route the supplied vacuum line to the rubber grommet that the vehicle’s computer
wires go out of. Punch a small hole in the
rubber grommet and push the vacuum line
out through the hole.
W. Route the vacuum line up to the FMU and
connect into it using the provided brass
TEE.

Fig. 15-d

X. Connect the other end of the vacuum line to
the FTC with the provided plastic vacuum
line tap.
Y. (2004 Models) There are four injector plugs
running from the control box. Run one plug
through the firewall to the supplementary
injector installed in the charge cooler. Connect the plug to the injector. (See Fig. 15-g.)
Z. (2004 Models) Secure the remaining injector wires.

Fig. 15-e
33

ELECTRONIC CONTROL BOX INSTALLATION, cont’d.

TIMING CONTROLLER

15.

WHITE

BLUE

BLACK

RED

MAP
CONTROLLER

RED

YELLOW/BLACK

YELLOW

GREEN

YELLOW/GREEN

YEL

GRN

TO ENGIN

E COMP
ARTMEN

BLUE

32P

25P

31P

YELLOW/
BLACK

RED

BLACK

GREEN/
RED

WHITE

BLUE

BLUE/RED

GREEN/RED

BLACK

FUEL INJECTOR PLUGS

TIMING CONTROLLER

ELECTRONIC CONTROL BOX INSTALLATION, cont’d.
(2004 Models)

RED

YELLOW/BLACK

YELLOW

GREEN

YELLOW/GREEN

BLUE

YELLOW

GREEN

YEL

BLACK

GREEN/
RED

GRN

BLUE

BLUE/RED

GREEN/RED

BLACK

32P

25P

31P

YELLOW/
BLACK

RED

15.

TO ENGIN

E COMP
ARTMEN

Fig. 15-g / 2004 MODELS

16.

FINAL CHECK
A. Reconnect the battery.
B. If your vehicle has gone over 20,000 miles since
its last spark plug change, you will need to
change the spark plugs now before test driving
the vehicle.
C. Check all fittings, nuts, bolts and clamps for
tightness. Pay particular attention to oil and fuel
lines around moving parts, sharp edges and
exhaust system parts. Make sure all wires and
lines are properly secured with clamps or tie
wraps.
D. Check all fluid levels, making sure that your
tank(s) is/are filled with 91 octane or higher fuel
before commencing test drive. Turn the ingnition
on to cycle the fuel pump a few times. Check all
fuel fittings for leakage.
E. Start engine and allow to idle a few minutes, then
shut off.
F. Recheck to be sure that no hoses, wires, etc. are
near exhaust headers or moving parts and for
signs of any fluid leakage.
G. PLEASE TAKE SPECIAL NOTE: Operating the
vehicle without ALL the subassemblies completely and properly installed may cause FAILURE OF MAJOR COMPONENTS.
H. Test drive the vehicle.
I. The supercharger belt stretches initially and will
require adjustment in 250 to 400 miles.
J. Periodically, verify that the supercharger pulley
bolt is tight. Also verify that the belt is not slipping
under boost. (Belt slippage is usually accompanied by a squealing noise at high RPM and a
leveling off or fluctuating boost pressure. If belt
slippage occurs, tighten tensioner.)
K. Read the STREET SUPERCHARGER SYSTEM
OWNER'S MANUAL AND RETURN THE WARRANTY REGISTRATION FORM within thirty
(30) days of purchasing your supercharger system to qualify.

Fig. 16-a

ENGINEERING, LLC
1650 PACIFIC AVENUE • CHANNEL ISLANDS, CA 93033-9901 • (805) 247-0226
FAX (805) 247-0669 • www.vortechsuperchargers.com • M-F 8:00 AM - 4:30 PM PST
4HS020-010 v2.0

07/27/04

Source Exif Data:

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Create Date                     : 2006:12:05 11:09:43-08:00
Modify Date                     : 2006:12:05 11:11:29-08:00
Subject                         : (4HS v1.2)S2000
Page Count                      : 44
Creation Date                   : 2006:12:05 19:09:43Z
Mod Date                        : 2006:12:05 19:09:43Z
Producer                        : Acrobat Distiller 5.0.2 for Macintosh
Author                          : Ken
Keywords                        : 
Metadata Date                   : 2006:12:05 19:09:43Z
Creator                         : Ken
Title                           : (4HS v1.2)S2000
Description                     : (4HS v1.2)S2000

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Vortech Engineering Honda Supercharger System S2000 Users Manual (4HS V1.2)S2000

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