Edelbrock 29085 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
Throttle Body Standard Square-Bore Style Base
Fuel Rail Kit Stock Injector Angles
Headers 1-3/4" - 1-7/8" Step, Victor Series
Camshaft Developed for Carbureted Applications
• 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
Part #29085, #29086 & #28455
Rev. 5/09 - AJ/mc
®
Victor Jr. LS1 EFI Intake Manifold
for GM 5.7L LS1 or Gen IV L76/L92/LS3 V8 Engines
PART NUMBER AND DESCRIPTION
P/N 3878 - With standard GM/Delphi IAC
P/N 38783 - With Mototron/Hitachi Linear Style IAC
P/N 3638 - Includes Hold Down Brackets
Various. See Catalog For Details
P/N 2215 - 220° Int./224° Exh. @ .050", .510" Valve Lift
P/N 2216 - 230° Int./237° Exh. @ .050", .540" Valve Lift
• 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
10 4
1/8" NPT
Front
7
Figure 1 - Intake Manifold Tightening Sequence
Page 1 of 2
Part #29085, #29086 & #28455

INSTALLATION INSTRUCTIONS

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©2009 Edelbrock Corporation
8
3/8" NPT
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Brochure #63-0341