The Edelbrock Performer #2146 & #2515 intake manifolds will work with 400, 430, and 455 c.i.d. big-block Buick engines. The Performer #2146 is designed to accomodate original cold air induction hoods, while the B4B #2515 relocates the carb pad for optimal fuel distribution. These manifolds optimize performance for engines operating in the idle to 5500 rpm range. They are compatible with OEM carburetors that use a divorced-style or electric choke only; hot air tube models will need to have their choke converted to electric or disabled. These intake manifolds are recommended for street rods and street high performance applications. When used with any mix of aftermarket equipment designed for idle to 5500 rpm operation, the performance increases will be even greater.
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• EGR SYSTEM: This manifold will not accept stock EGR (exhaust gas recirculation) equipment. EGR systems are used on some 1972 and later model vehicles and only in some states. Check local laws for requirements. Not legal in California on pollution-controlled motor vehicles.
• MANIFOLD: This manifold will not accept any O.E.M. carburetor systems. We recommend that you use the carburetors listed in the carburetor recommendations.
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Edelbrock EGR-equipped Performer manifolds are intended as a direct functionally identical replacement for their O.E.M. counterparts. All exhaust emissions or emissions related stock components are intended to be retained and functional. Performer RPM intake manifolds will not accept stock EGR (Exhaust Gas Recirculation) equipment. EGR systems are used on most 1972 and later model vehicles. Check local laws for requirements. Performer manifolds #2186 and 2191 are packaged with 2 pipe plugs. Install these plugs into the EGR pad if an EGR valve will not be used in your application.
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The Edelbrock Performer RPM manifold has been designed for 351-W Ford V8 engines equipped with the following cylinder heads: OEM 12 or 16-bolt, AR/Ford aluminum M-6049-J302, Ford GT-40 cast iron M-6049-L302, Dart cast iron, TFS/Street Heat aluminum or equivalent. The manifold accepts late model water neck, air conditioning, alternator and ignition Read the rest of this entry »

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EGR SYSTEMS: This manifold will not accept stock EGR (exhaust gas recirculation) equipment. EGR systems are used on some 1972 and later
model vehicles and only in some states. Check local laws for requirements. This manifold is a street legal replacement part when used with the OEM carburetor on 1968-72 472 and 500 c.i.d. V8 passenger cars.
• MANIFOLD: The Performer Cadillac is intended to be used in high performance and engine swap applications. The carb pad is 3″ taller than stock, and will not fit many stock applications. Check your hood clearance before installation! The manifold accepts either original equipment Q-Jet carburetors or Edelbrock Performer Series square-bore carbs as listed below. The runners and plenums are sized for operation from idle to 5500 rpm on 500 c.i.d. engines.
• CARBURETOR RECOMMENDATIONS: CAUTION- Use only carburetors recommended. If parts required for installation are unavailable locally, contact Edelbrock directly.
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The Performer-Plus Camshaft for Chevrolet LT-1 engines is designed for optimum torque from the low-end to the mid-range. It has a smooth idle, and is ideal for daily driven vehicles operating within the factory RPM range. Due to the increased lift of this camshaft, you MUST change your valve springs on STOCK heads, to springs capable of handing the Read the rest of this entry »

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This adapter plate system is designed to be used in conjunction with the Edelbrock headers for fitting an LS series of engine. This system installation requires a good working knowledge of basic automotive repair; it requires lifting heavy objects with an engine hoist to some heights so a good solid working surface is needed for safety. There maybe variations Read the rest of this entry »

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Edelbrock Sure-Seat valve springs are made of high quality wire and are wound to close specifications for use with our Performer-Plus camshafts. These quality controlled springs are part of Edelbrock’s concept of a dyno-tested parts combination. In most cases Sure Seat valve springs have inner dampeners. Edelbrock springs are carefully inspected for potential flaws and can be depended on for performance and durability.
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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 as the procedures are vehicle specific. We want to caution you that installing an engine is a complicated procedure that requires a good general knowledge of automotive mechanics. It is a Read the rest of this entry »

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Raise and support vehicle, allowing suspension to hang free.
Remove the wheel.
Disconnect the shock absorber electrical connector.
Support the lower control arm with a jack stand or screw jack in order to relieve the spring load.
Remove the lower shock absorber nut(s) and bolt(s).
Remove the upper mounting nut(s). On some models, the upper shock mounting nuts are located in the trunk behind the trim cover.
Remove the shock from the vehicle. On some models, you may have to compress the shock by hand to remove from the mounting.
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