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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.
IMPORTANT NOTE: Proper installation is the responsibility of the installer. Improper installation
will void your warranty and may result in poor performance and engine or vehicle damage.
DESCRIPTION: Edelbrock E-Force Supercharger kits are designed for 302-400 C.I.D. small-block Chevrolet engines. These kits are capable of
producing over 500 HP on most applications. Superchargers will accept standard flange 4-bbl carburetors. Some kits include an 800 CFM Thunder
Series AVS carburetor (See "Applications" below). Kit includes all items necessary for installation on most small-block Chevrolet applications. Some
modification or aftermarket parts may be required for your particular application such as throttle/kickdown bracketry and cables, waterneck, and
accessory pulleys. Kits will work on LONG-STYLE water pump applications ONLY (unless otherwise mentioned) and are not compatible
with HEI distributors due to clearance. Please read "Before Beginning Installation" section for additional details.
APPLICATIONS:
For Small Block Chevrolet Using Stock V-Belt Driven Accessories
#1551 (As Cast) / 15511 (Polished):
#1552 (As Cast) / 15521 (Polished):
#1553 (As Cast) / 15531 (Polished):
#1554 (As Cast) / 15541 (Polished):
For Small Block Chevrolet Using Billet Specialties Tru Trac Pulley System**
#15611 (Polished):
Engines with 1986 and earlier (standard bolt-pattern) cylinder heads.
#15621 (Polished):
Engines with Vortec/E-Tec style cylinder heads.
#15631 (Polished):
Engines with 1986 and earlier (standard bolt-pattern) cylinder heads. Includes carburetor.
#15641 (Polished):
Engines with Vortec/E-Tec style cylinder heads. Includes carburetor.
**Kits require short-style, reverse-rotation water pump.
WARNING: EXPOSED FUEL AND OIL WILL BE PRESENT DURING THIS INSTALLATION. WHEN WORKING AROUND
GASOLINE OR OIL, ALWAYS WORK IN A WELL VENTILATED AREA, AND KEEP ALL OPEN FLAMES, SPARKS, AND OTHER
SOURCES OF IGNITION AWAY FROM THE WORK AREA. FAILURE TO DO SO CAN RESULT IN A FIRE OR EXPLOSION.
WARNING: SOME PROCEDURES IN THIS INSTALLATION MAY REQUIRE THE VEHICLE TO BE RAISED ON JACKSTANDS OR A LIFT.
WHEN RAISING A VEHICLE, MAKE SURE THE VEHICLE IS ON LEVEL GROUND AND SUPPORTED SECURELY BY JACKSTANDS.
BEFORE BEGINNING: Someone who has a basic knowledge of automobile repair and modification and is familiar with and comfortable with working
on their vehicle can accomplish the mechanical installation of this kit using common tools and procedures. However, successful operation of the engine
with this supercharger kit requires a working knowledge of the set-up and tuning of an engine. Keeping a service manual for your vehicle on hand for
reference is helpful. This supercharger kit is capable of supporting over 500 HP and will substantially increase the power output of your engine.
Before installing this kit, you should ensure that your engine is in good condition and is capable of supporting these power levels.
Consult a Factory Service Manual for the proper compression test procedure and acceptable in-service limits. This kit is intended to be used on
modified street/strip engines. The required modifications to your engine and fuel delivery system are dependent on the boost pressure and power
output. Aftermarket pistons, connecting rods, and valves are recommended to assure engine durability. See "Boost and Ignition Timing" on the next
page for further information. The higher power output will require an aftermarket high-volume fuel pump such as Edelbrock #1711 (130 gal/hr), 1721
(110 gal/hr), 17000 (175 gal/hr), 1791 (120 gal/hr, electric), or 1792 (160 gal/hr, electric). The valve lash or lifter preload should be properly adjusted.
Edelbrock E-Force Supercharger Kits
Rev. 7/10 - AJ/mc
®
Engines with 1986 and earlier (standard bolt-pattern) cylinder heads.
Engines with Vortec/E-Tec style cylinder heads.
Engines with 1986 and earlier (standard bolt-pattern) cylinder heads. Includes carburetor.
Engines with Vortec/E-Tec style cylinder heads. Includes carburetor.
BEFORE BEGINNING INSTALLATION
NEVER WORK UNDER A VEHICLE THAT IS SUPPORTED BY A JACK ONLY!
EDELBROCK E-FORCE SUPERCHARGER KITS
Part #1551, 15511, 1552, 15521, 1553, 15531, 1554,
15541, 15611, 15621, 15631, 15641
Page 1
INSTALLATION INSTRUCTIONS
©2010 Edelbrock LLC
Brochure #63-1551
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Summary of Contents for Edelbrock 1551
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Page 1: Installation Instructions
Aftermarket pistons, connecting rods, and valves are recommended to assure engine durability. See “Boost and Ignition Timing” on the next page for further information. The higher power output will require an aftermarket high-volume fuel pump such as Edelbrock #1711 (130 gal/hr), 1721 (110 gal/hr), 17000 (175 gal/hr), 1791 (120 gal/hr, electric), or 1792 (160 gal/hr, electric). - Page 2 Doing so however, can cause hard starting problems unless your advance curve is adjusted in order to allow you to run a normal initial timing setting. Initial timing should be set typically between 10-14° before TDC. Edelbrock recommends the use of a boost dependent timing retard device with the E-Force Supercharger Kit.
- Page 3 IMPORTANT NOTE: Edelbrock E-Force Supercharger kits do not include the Billet Specialties Tru Trac Pulley System. These systems are available seperately from Edelbrock and include a water pump, A/C compressor, drive belt, alternator, and all the pulleys, brackets, and mounting hardware necessary for a complete installation.
- Page 4 Beaded side faces up. B. Coat head surface and cylinder head side of intake gaskets with Edelbrock Gasgacinch #9300 (See Figure 2) . 14. Within a few minutes gaskets and surface will become tacky to the touch.
- Page 5 NOTE: If you are using an air/fuel ratio meter (O2 sensor) on your vehicle, use 02 sensor safe silicone ONLY. With the Edelbrock intake manifold, you must use RTV High Temp silicone sealer instead of end seal gaskets. Apply a 1/4" thick bead of sealant across each end seal surface (See Figure 5) .
- Page 6 Once properly aligned, torque the balancer bolt to 60 ft./lbs., and torque the pulley bolts to 32-35 ft./lbs. You may leave the drive belt uninstalled at this time. Edelbrock E-Force Supercharger Kits Rev. 7/10 - AJ/mc 10. Install the supercharger snout support/idler pulley bracket:...
- Page 7 Reinstall your air cleaner assembly. 14. Move any sensors from the stock intake manifold to the Edelbrock intake manifold, and connect any wires. Connect vacuum lines, replacing with longer or shorter vacuum hoses as required.
- Page 8 Standard Vacuum Ports: Any accessory that is vacuum-driven should be connected here. This includes brake boosters, some transmission kickdowns, and any vacuum actuated servos such as windshield wipers, power windows, etc. Edelbrock LLC • 2700 California St. • Torrance, CA 90503 Edelbrock E-Force Supercharger Kits Rev. 7/10 - AJ/mc VACUUM ROUTING ®...