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Performance Camshafts, Lifter Kits and Matching Valvetrain for 350-403 V8 Oldsmobile - Edelbrock.com
Camshaft: Performer-Plus
Part #: #3712
Vehicle Type: OLDSMOBILE
Engine Application: 350-403 V8
RPM Range: Idle-5500
DURATION AS ADVERTISED
INTAKE: 280°
EXHAUST: 290°
DURATION @ .050
INTAKE: 204°
EXHAUST: 214°
LIFT @ CAM (Lobe)
INTAKE: 0.28"
EXHAUST: 0.295"
LIFT @ VALVE
INTAKE: 0.449"
EXHAUST: 0.473"
LOBE SEPERATION: 114°
INTAKE CENTERLINE: 106°
IDLE VACUUM @ 1000 RPM: 16"
The information below is for verification of
opening and closing events.
INTAKE TIMING @ .050" LIFT:
Opens: 4° ATDC
Closes: 28° ABDC
EXHAUST TIMING @ .050" LIFT:
Opens: 49° BBDC
Closes: 15° BTDC
OPTIONAL VALVE SPRINGS: #5812
CAM FEATURES: Produces 330 ft.-lbs. when matched with #3711 intake and stock heads.
INSTALLATION NOTES: Use Edelbrock Performer-Link Timing Chain and Gear Set #7813. Do not use late model timing chain and 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 – position for most applications.
Footnote 1: May require longer than stock pushrods.
Footnote 2: Will not fit 1966 & earlier.
Footnote 3: Use only recommended Edelbrock Sure Seat Valve Springs #5812 or original equipment equivalent.
AMC
