5.7L Chevy Street Legal Power

Edelbrock Performer Power Package Components for
1987-1994 Trucks and Suburbans:

Edelbrock Performer TBI intake manifold.....................#3704

Edelbrock Performer-Plus camshaft kit.......................#3702

Edelbrock Performer Centerbolt Cylinder Heads...............#6085

Edelbrock Head Bolt Kit.....................................#8550

Edelbrock Elite Series Centerbolt Valve Covers..............#4247

Edelbrock True-Rolling Timing Chain & Gear Set..............#7802

Edelbrock Tubular Exhaust System for

1988-94 pick-up w/ clamp-on cat.;

w/o A.I.R. (other applications also available)..............#6866

Test Engine Specs:

Bore...............................................4.000" + .030"

Stroke.............................................3.480" (stock)

Compression ratio...........................................9.5:1

Head Gaskets......................Fel-Pro Perma-Torque Blue #1003

Intake Manifold Gaskets..............................GM #10159409

Ignition and timing....................36° @ 3000 RPM + MSD 6A box

Edelbrock Performer Centerbolt Aluminum Cylinder Heads:

Intake port volume..........................................165cc

Intake valve size..........................................2.020"

Exhaust port volume..........................................60cc

Exhaust valve size.........................................1.600"

Combustion chamber size......................................60cc

Material specs...................356 aluminum heat treated to T-6

Valve Train Components:

Edelbrock valve springs

(included with heads; stock heads use #5902)................#5767

Edelbrock retainers

(included with heads; stock heads use #9721)................#9736

Edelbrock valve locks

(included with heads; stock heads use same).................#9611

Pushrods............

Crane #11622-16 or equivalent (hardened, .100" longer-than-stock)

Rocker Arms.........................Crane #11801-16 or equivalent

(non-self aligning stamped steel)

Camshaft Data:

Duration @ .006......................Intake: 244° - Exhaust: 264°

Duration @ .050......................Intake: 194° - Exhaust: 214°

Lobe Lift.........................Intake: .265" - Exhaust: .294"

Valve Lift........................Intake: .398" - Exhaust: .442"

Intake Centerline...........................................107°

Lobe Separation.............................................112°

Cam Timing:

Intake Open:.............................................10° ATDC

Intake Close:............................................24° ABDC

Exhaust Open:............................................44° BBDC

Exhaust Close:...........................................10° BTDC