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Performance Camshafts, Lifter Kits and Matching Valvetrain for 350-455 V8 Pontiac - Edelbrock.com
Camshaft: Torker-Plus
Part #: #5057
Vehicle Type: PONTIAC
Engine Application: 350-455 V8
RPM Range: N/A
DURATION AS ADVERTISED
INTAKE: 298°
EXHAUST: 304°
DURATION @ .050
INTAKE: 224°
EXHAUST: 234°
LIFT @ CAM (Lobe)
INTAKE: 0.31"
EXHAUST: 0.325"
LIFT @ VALVE
INTAKE: 0.465"
EXHAUST: 0.488"
LOBE SEPERATION: 114°
INTAKE CENTERLINE: 109°
IDLE VACUUM @ 1000 RPM: -
The information below is for verification of
opening and closing events.
INTAKE TIMING @ .050" LIFT:
Opens: 3° BTDC
Closes: 41° ABDC
EXHAUST TIMING @ .050" LIFT:
Opens: 56° BBDC
Closes: 2° BTDC
OPTIONAL VALVE SPRINGS: #5757
CAM FEATURES: Hydraulic flat tappet lifters are included with each camshaft.
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 installation. Edelbrock Timing Sets feature three keyways for specified timing selection. Use "0" position for most applications.
Footnote 1: Do not use dual valve spring,. Use only recommended Edelbrock Sure Seat Valve Springs #5757. Use stock ratio rocker arms only.
Footnote 2: Adjustable pushrods or rocker arms required.
AMC
