Edelbrock 4779 User's Manual
Contents
1. 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 o 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 e 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 Ibs hour 44 psi 281cc min 3635 35 Ibs hour 44 psi 340cc min 3685 44 bs hour 44 psi 427cc min Figure 1 Pico Style Fuel Injector Catalog 4779 2005 Edelbrock Corporation Rev 10 05 RS mc Page 1 of 2 Brochure 63 0463 INSTALLATION PROCEDURE 1 Support and secure the intake manifold properly in a drill press or on a work bench to allow a straight drill path to the injector bosses See Fig 2 for reference 2 Using a 7 16 drill bit d2. 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 e 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 Q1 Secondary fuel rail QO2 1 4 20 x 1 25 bolts Q2 1 4 AN washer Q2 1 4 Star washer Q2 3 8 NPT x 6 AN Adapter fittings e NOTE If
3. rill through the blind holes in the injector bosses 20 4771 23 4774 amp 4778 Warning Use caution as the drill may tend to kick back as it breaks through to the intake manifold runners Warning Be careful not to damage the o ring sealing surface when drilling the injector bosses 1 4 20 Coarse Thread 4 Insert the appropriate injectors for your application into the intake manifold 5 Press the fuel rail onto the injectors Using a fuel system safe lubricant on the o rings will help make this easier 6 Bolt the fuel rail to the Performer X intake manifold using the supplied 1 4 20x1 1 4 bolts and the supplied washers 7 16 Dia 7 Apply a fuel system safe thread sealant to the threads of the 3 8 NPTx 6AN adapters and install them into the ends of the fuel rail Note You may also use any adapter fitting with 3 8 NPT threads if it is more suitable to your fuel system Also be sure to allow the sealant to cure completely before allowing fuel through the fuel rail Fittings may also be installed before mounting fuel rail onto the intake manifold Make sure to secure the fuel rail in a soft jaw bench vise Fig 2 Reference Dimensions Edelbrock Corporation 2700 California St Torrance CA 90503 Tech Line 800 416 8628 E Mail Edelbrock Edelbrock com Catalog 4779 2005 Edelbrock Corporation Rev 10 05 RS mc Page 2 of 2 Brochure 63 0463
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