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• PLEASE study these instructions carefully before installing your new camshaft. If you have any questions, do not hesitate to call our Technical
Hotline at: 1-800-416-8628, 7 am - 5 pm, Pacific Standard Time, Monday-Friday.
• CAMSHAFT: Edelbrock Performer RPM camshafts are ground specifically for use with the corresponding Performer RPM manifold. The Performer
RPM manifold #7156, and Performer RPM camshaft #7157, are designed to work as a team to give you better driveability and performance. They
are dyno-matched and street-proven. For best results, use the Edelbrock manifold/camshaft package with the carburetor and headers we
recommend. The Performer RPM camshafts are designed for use with modified or RPM cylinder heads, #6057-59 and valve train components only.
Screw-in studs and H.P. adjustable rocker arms must be used.
NOTE: Maximum performance is achieved only when the Edelbrock Performer RPM Power Package components are used with the following
equipment:
•
Performer RPM manifold/camshaft/timing set/valve springs
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Performer Series carburetor #1407
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fuel delivery system of sufficient capacity
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1-3/4" headers
•
aftermarket/re-curved distributors
• IMPORTANT: This instruction sheet provides general installation guidelines which can affect your warranty. Read it carefully. It is not our intent to
cover each detail of installation here; a step-by-step procedure manual would be far too lengthy. We want to caution you that installing a camshaft
is a complicated procedure that requires a good general knowledge of automotive engines. If you are not confident that you can complete the
camshaft installation successfully, we suggest you consider having it installed by an experienced mechanic.
CAUTION: Improper installation will result in LOW MILEAGE, POOR PERFORMANCE, COSTLY REINSTALLATION, and ENGINE DAMAGE.
TO AVOID THESE PROBLEMS YOU MUST DO THE FOLLOWING:
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Carefully study and understand all instructions.
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Examine the camshaft for possible shipping damage (if damaged contact you dealer immediately).
• TOOLS AND EQUIPMENT
Use the following checklist for items needed.
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box and open-end wrenches
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socket set
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distributor wrench
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pliers (channel locks & hose clamp)
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screw drivers (regular and phillips)
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torque wrench
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hammer
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gasket scraper or putty knife
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timing light
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vacuum gauge
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rags
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water bucket
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harmonic balancer puller
1. Disconnect battery.
2. For ease of installation, keep all parts in some sort of order.
©2009 Edelbrock Corp
Part #7157
PREPARATION CHECKLIST
• HARDWARE & PARTS TO BUY
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INSTRUCTIONS FOR ENGINE PARTS REMOVAL
BEFORE CAMSHAFT INSTALLATION
MODEL: 389-455 c.i.d. Pontiac V8, 1965 & later
Intake gaskets; OEM, Fel-Pro Print-O-Seal #1233, or equivalent
pipe plugs, if needed
Edelbrock Gasgacinch, #9300
RTV silicone
chalk
paper and pencil
radiator coolant
teflon tape
Edelbrock Performer-Link True Rolling Timing Chain and Gear Set
#7812
Edelbrock Sure Seat Valve Springs, #5757
Manifold bolt kit #8559
Performer RPM
Camshaft/Lifters/Lube Kit
PART #7157
Brochure #63-7157
Rev 5/09 - AJ/mc
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Summary of Contents for Edelbrock 389-455
- Page 1 Hotline at: 1-800-416-8628, 7 am - 5 pm, Pacific Standard Time, Monday-Friday. • CAMSHAFT: Edelbrock Performer RPM camshafts are ground specifically for use with the corresponding Performer RPM manifold. The Performer RPM manifold #7156, and Performer RPM camshaft #7157, are designed to work as a team to give you better driveability and performance. They are dyno-matched and street-proven.
- Page 2 Performer RPM cam could cause the cam lobes to wear excessively and could cause additional engine damage. 1. This camshaft is designed to function with Edelbrock Sure Seat valve springs #5757. Do not use dual valve springs with this camshaft.
- Page 3 • CAUTION: Use Edelbrock Performer-Link Timing Chain and Gear Set #7812. Do not use late model timing chain and gear sets that are designed for emission-controlled engines. These timing sets are machined in a retarded position and are not recommended for this camshaft installation.
- Page 4 54° BBDC Lobe Separation: 113.5° Intake Centerline: 112° • CAUTION: Use Edelbrock Performer-Link Timing Chain and Gear Set #7812. Do not use late model timing chain & gear sets that are designed for emission-controlled engines. These timing sets are machined in a retarded position and are not recommended for this camshaft.