Edelbrock Automobile Parts 1768 User Manual

Performer 3-Piece EFI Intake Manifolds  
for Harley-Davidson® Twin Cam 88 Engines  
with Electronic Fuel Injection  
Catalog #1768  
INSTALLATION INSTRUCTIONS  
Please study these instructions carefully before installing your new intake manifold. If you have any questions or problems, please  
call our Technical Hotline at: 1-800-416-8628, 7:00 am - 5:00 pm, Pacific Standard Time, Monday through Friday or e-mail us at  
edelbrock@edelbrock.com. Please fill out and mail your warranty card.  
DESCRIPTION  
The Edelbrock Performer 3-piece intake manifold is designed for street high performance use  
with Edelbrock Twin Cam EFI Performer RPM heads only. This intake manifold is designed to  
®
make excellent power increases in the stock rpm range of fuel injected, Harley-Davidson  
®
Twin Cam engines (idle to 6000 rpm). This manifold and heads feature a rectangular shaped  
intake port for a noticeable increase in air flow. This .125" raised rectangular intake port also  
helps to increase the velocity of the incoming air for more power. This intake manifold can  
only be used on Edelbrock heads because of the unique port shape. The Performer  
manifold fits fuel injected Twin Cam 88 based motors with Edelbrock Performer RPM heads.  
It is designed to accept the stock 44mm throttle body. NOTE: A 4mm ball end Allen wrench  
or 4mm ball end Allen driver is required to properly tighten the throttle body mounting screws.  
MANIFOLD ASSEMBLY  
1. Inspect manifold for any nicks or other damage on the  
6. Lubricate grommets with a lightweight oil such as fork oil  
or brake assembly lube (not brake fluid). Note that the  
grommets are rectangular, and will only fit on manifold  
one way. Push grommets onto manifold as far as they will  
go, with the tapered side facing the manifold.  
sealing surfaces.  
2. Apply a light coating (one drop) of brake cylinder  
assembly lube, or a light film of white grease to each of  
the o-rings on the  
stock fuel injectors  
and press them  
carefully into the  
intake manifold.  
Apply light  
coat of  
brake lube  
or white  
grease to  
each o-ring  
Bevel  
Towards  
Flange  
3. Carefully slip the  
factory fuel rail over  
the fuel injectors and  
Flat Side Towards  
Intake Manifold  
Manifold Flange Assembly Order  
(Apply Light Coat of Lube to Grommet)  
press down until the fuel injectors are seated into the fuel  
rail. NOTE: It may be helpful to press one injector into  
the fuel rail at a time. The o-rings will allow enough flex  
to maneuver the fuel  
rail over each injector  
individually.  
Press  
firmly to  
seat the  
fuel rail  
4. Using the supplied  
4mm x .7, 16mm long  
socket head cap  
screws, secure the fuel  
rail to the intake  
manifold. DO NOT  
OVERTIGHTEN.  
5. Note that flanges are marked front and rear. Place  
flanges on manifold with the 30° tapered side facing out  
(toward the head) and the slotted bolt holes to the rear of  
the manifold.  
Complete Manifold Assembly  
Evolution and Harley are registered trademarks of Harley-Davidson, Inc., Milwaukee,  
Wisconsin, USA and are used in this brochure for reference only.  
Edelbrock is a registered trademark of Edelbrock Corporation, Torrance, California.  
©2004 Edelbrock Corporation  
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