Page 2 of Camshafts by Edelbrock

power pkg kits superchargers crate engines carbs access fuel pumps gaskets install items manifolds efi heads cams access nitrous water pumps access exhaust suspension shocks qwikdata index camshafts important application information performer rpm performer rpm hydraulic roller and torker-plus cams are for street high-performance and racing applications only not for heavy vehicles use with edelbrock performer rpm heads or other aftermarket heads adjustable valvetrain components screw-in studs high-performance adjustable rocker arms and at least 9.5:1 compression ratio headers high-energy ignitions lower-than-stock rear gearing and a high-performance torque converter in auto transmission equipped vehicles are necessary performer rpm camshafts designed for street high-performance applications performer rpm cams provide power from 1500 to 6500 rpm these hydraulic lifter camshafts are dyno-matched to performer rpm manifolds for high-rpm horsepower while still maintaining acceptable low-end torque with 10 to 12 inches of manifold vacuum at idle performer rpm cams have more lift and duration than most street camshafts in the manifold section you ll find horsepower graphs showing the power levels obtainable when the performer rpm package is used with the right combination of engine components performer rpm hydraulic roller camshafts rollin thunder performer rpm cams feature more aggressive profiles than conventional cams without excessive valve overlap and provide power from 1500 to 6500 rpm they are used in our 435 hp 440 hp e-tec crate engines our 460 hp signature series 383 crate engine and our 650 hp 675 hp 555 crate engines roller tappets reduce friction virtually eliminate break-in problems and permit higher valve velocities for increased performance intended for use with oem or edelbrock hydraulic roller tappets torker-plus camshafts important notes our cam warranty will be honored only if the recommended edelbrock sure seat valve springs are used if a warranty problem does arise the end flap or label from the edelbrock sure seat valve spring box along with store receipt must be sent with the warranty claim when changing your cam it s essential to change your timing chain we recommend performer-link true-roller timing sets or accu-driveŽ cam gear drives see pages 180-181 #2207 designed to work with torker ii manifolds for performance from 2500 to 6500 rpm these camshafts are ideal for high-performance street drag or marine applications torkerplus cams have a slightly rough idle and are not suitable for trucks or towing applications #2122 valve springs b see pg 179 true roller timing chain see pg 180 dyno-matched intake manifolds repl lifters set pushrods important comments 3785/3787/3789 9737 for non computer-controlled vehicles 5832/5932 7818 7818 2131/3731 7530/7531 9741 9747 9637 9637 adjustable pushrods or rocker arms required 7829 5486 9749 for non computer-controlled vehicles 5813/5913 7800/7802/7331 3785/3787/3789 2111 9737 9737 for non computer-controlled vehicles for non computer-controlled vehicles and non roller applications 5814 7801/7332 for use with oem hydraulic roller lifters use original lifters not for 1992-later 4.3l balance shaft engines a 5802/5902 5802/5902 5802/5902 5703 5703 7800/7802/7331 2101/2701/3701/2104/3706/2601/2604/2703 9738 7800/7802/7331 3501/3502/3701/3704/3706 9738 7800/7802/7331 2101/2701/3701/2104/3706/2601/2604/2703 9738 7800 c 7801 2101/2701/3701/2601/2703 97383 2104/3706/2604 9630 9630 9630 9653 50-state legal for 1957-86 s/b chevy 50-state legal for 1976-95 s/b chevy non roller applications 50-state legal for 1957-86 s/b chevy uses stock hydraulic roller lifters and pushrods www.edelbrock.com 173

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