Edelbrock 4779 Installation Instructions

Catalog #4779

Rev.10/05 - RS/mc

©2005 Edelbrock Corporation

Brochure #63-0463

Page 1 of 2

®

SECONDARY FUEL RAIL

For B-Series Honda Performer X Intake Manifolds

Catalog #4779

INSTALLATION INSTRUCTIONS

PLEASE study these instructions carefully before beginning this installation. Most installations can be accomplished with common tools and

procedures. However, you should be familiar with and comfortable working on your vehicle. If you do not feel comfortable performing this

installation, it is recommended to have the installation completed by a qualified mechanic. If you have any questions, 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.

NOTE: Proper installation is the responsibility of the installer. Improper installation may result in poor performance and engine or vehicle damage.

PLEASE complete and mail your warranty card. Be sure to write the model number of this product in the "Part #____" space. THANK YOU.

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Description: The Edelbrock Secondary Fuel Rail kit for the Performer X intake manifold allows the use of secondary fuel injectors on

Performer X manifolds, 4771, 4774, and 4778, for turbocharged, alcohol-fueled, or nitrous oxide applications, where additional injectors are

needed. Performer X manifolds must use PICO-style secondary fuel injectors.

Kit Contents:

❑ 1

Secondary fuel rail

❑ 2

1/4-20 x 1.25” bolts

❑ 2

1/4” AN washer

❑ 2

1/4” Star washer

❑ 2

3/8” NPT x -6 AN Adapter fittings

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NOTE: If the intake manifold is on the engine, it must be removed before attempting to install the Secondary Fuel Rail.  Drilling

of the injector bosses is required, and metal chips could get into the engine if intake manifold is not removed prior to drilling.

Refer to your intake manifold installation instructions, or your factory service manual for proper removal procedure.

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WARNING: When working around gasoline or with any fuel system, always work in a well-ventilated area.  Keep all sparks,

open flames, or other sources of ignition away from the work area.  Failure to do so could result in a fire or explosion causing

vehicle or property damage, personal injury, and/or death.

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INJECTORS: Performer X intake manifolds require the use of a 

Pico-style fuel injector (See Fig. 1). See chart below for recommended

Edelbrock fuel injectors. Select the size that is appropriate for your particular application.

FUEL INJECTOR

DESCRIPTION

#3574

19 lbs/hour @ 44 psi (185cc/min)

#3583

29 lbs/hour @ 44 psi (281cc/min)

#3635

35 lbs/hour @ 44 psi (340cc/min)

#3685

44 lbs/hour @ 44 psi (427cc/min)

Figure 1 - Pico-Style Fuel Injector