Part #29085, #29086 & #28455
Rev. 5/09 - AJ/mc
Page 1 of 2
©2009 Edelbrock Corporation
Brochure #63-0341
®
Victor Jr. LS1 EFI Intake Manifold
for GM 5.7L LS1 or Gen IV L76/L92/LS3 V8 Engines
Part #29085, #29086 & #28455
INSTALLATION INSTRUCTIONS
PLEASE
study these instructions carefully before installing your new Intake Manifold. If you have any questions, do not hesitate to
contact our
Technical Hotline at: 1-800-416-8628,
from 7am-5pm, Pacific Standard Time, Monday through Friday.
CAUTION:
Make sure the vehicle’s battery has been disconnected and that the vehicle is supported on a level surface to prevent
any possibility of the vehicle moving during the installation procedure.
•
MANIFOLD:
The single plane Victor Jr. LS1 and L76/L92/LS3 Intake Manifolds are intended for racing and engine swap
applications. Part # 29086 includes fuel rails. A separate fuel rail kit may also be purchased under part #3638.
•
EGR SYSTEM:
These manifolds have no provision for EGR (exhaust gas recirculation) equipment. EGR systems are used on
most 1972 and later model vehicles, up to certain GVWs. Check local laws for requirements. These manifolds are not direct
replacement parts.
•
ACCESSORIES & INSTALLATION ITEMS:
Major recommendations are listed below. However, because this manifold system is
intended for engine swaps into a variety of vehicles, some customization may be required.
ITEM
NOTES
PART NUMBER AND DESCRIPTION
Throttle Body
Standard Square-Bore Style Base
P/N 3878 - With standard GM/Delphi IAC
P/N 38783 - With Mototron/Hitachi Linear Style IAC
Fuel Rail Kit
Stock Injector Angles
P/N 3638 - Includes Hold Down Brackets
Headers
1-3/4” - 1-7/8” Step, Victor Series
Various. See Catalog For Details
Camshaft
Developed for Carbureted Applications
P/N 2215 - 220° Int./224° Exh. @ .050”, .510” Valve Lift
P/N 2216 - 230° Int./237° Exh. @ .050”, .540” Valve Lift
•
KIT CONTENTS: 29085 and 29086
QTY.
Description
❑
1
Intake Manifold
❑
1
MAP Sensor Bracket (For LS1 Style Sensor)
❑
1
1/8”NPT to ¼” Hose Fitting (For MAP)
❑
.75 ft
¼” I.D. Vacuum Hose (For MAP)
❑
2
Cable Bracket (Large Opening)
❑
2
Cable Bracket (Small Opening)
❑
1
GEN III EFI Throttle Bracket Base
❑
4
6mm x 1.0 x 12mm Serrated Flange Hex Bolt
❑
4
6mm x 1.0 Serrated Flange Hex Nut
❑
10
6mm x 50mm Hex Head Capscrew
❑
10
¼” AN Washer
29086 Additionally Includes:
QTY.
Description
❑
2
Machined Fuel Rail
❑
4
Fuel Rail Stand
❑
4
¼”-20 x 1-¼” Hex Head Bolt
❑
4
¼”-20 Hex Nut
❑
8
¼” AN Washer
❑
4
¼” Lock Washer
❑
4
¼”-20 x ½” Socket Head Bolt
Figure 1 - Intake Manifold Tightening Sequence
10
4
1
5
8
9
3
2
6
7
3/8” NPT
1/8” NPT
Front
•
KIT CONTENTS: 28455
QTY.
Description
❑
1
Intake Manifold
❑
1
1/8”NPT to ¼” Hose Fitting (For MAP)
❑
4
3/8” NPT Pipe Plug
❑
6
6mm x 50mm Hex Head Capscrew
❑
4
6mm x 90mm Hex Head Capscrew
❑
10
¼” AN Washer
