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Performance Camshafts, Lifter Kits and Matching Valvetrain for 350-455 V8 Pontiac - Edelbrock.com
Camshaft: Performer RPM
Part #: #7157
Vehicle Type: PONTIAC
Engine Application: 350-455 V8
RPM Range: 1500-6500
DURATION AS ADVERTISED
INTAKE: 308°
EXHAUST: 320°
DURATION @ .050
INTAKE: 231°
EXHAUST: 240°
LIFT @ CAM (Lobe)
INTAKE: 0.313"
EXHAUST: 0.313"
LIFT @ VALVE
INTAKE: 0.47"
EXHAUST: 0.47"
LOBE SEPERATION: 113.5°
INTAKE CENTERLINE: 112°
IDLE VACUUM @ 1000 RPM: 10"
The information below is for verification of
opening and closing events.
INTAKE TIMING @ .050" LIFT:
Opens: 3° BTDC
Closes: 48° ABDC
EXHAUST TIMING @ .050" LIFT:
Opens: 54° BBDC
Closes: 6° ATDC
OPTIONAL VALVE SPRINGS: #5757
CAM FEATURES: 422 HP & 441 ft.-lbs. with #7156 intake & #60599 heads.
INSTALLATION NOTES: 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. Edelbrock Timing Sets feature three keyways for specified timing selection. Use "0" position for most applications.
Footnote 1: Adjustable pushrods or rocker arms required.
Footnote 2: Do not use dual valve springs .Use only recommended Edelbrock Sure Seat Valve Springs #5757.
AMC
