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Performance Camshafts, Lifter Kits and Matching Valvetrain for 283-400 V8 (1987 & Later) Performance rating based on 383 c.i. S/B Chevy - Edelbrock.com
Camshaft: Rollin' Thunder Hydraulic Roller
Part #: #2207
Vehicle Type: CHEVROLET
Engine Application: 283-400 V8 (1987 & Later) Performance rating based on 383 c.i. S/B Chevy
RPM Range: 1500-6500
DURATION AS ADVERTISED
INTAKE: 305°
EXHAUST: 314°
DURATION @ .050
INTAKE: 242°
EXHAUST: 240°
LIFT @ CAM (Lobe)
INTAKE: 0.396"
EXHAUST: 0.396"
LIFT @ VALVE
INTAKE: 0.594"
EXHAUST: 0.594"
LOBE SEPERATION: 112°
INTAKE CENTERLINE: 107°
IDLE VACUUM @ 1000 RPM: 11"
The information below is for verification of
opening and closing events.
INTAKE TIMING @ .050" LIFT:
Opens: 14° BTDC
Closes: 48° ABDC
EXHAUST TIMING @ .050" LIFT:
Opens: 57° BBDC
Closes: 3° ATDC
OPTIONAL VALVE SPRINGS: -
CAM FEATURES: This camshaft works great when matched with Performer RPM Air-Gap intake manifold #7516, Thunder Series AVS carb #1813, and Performer RPM E-Tec cylinder heads #60989; this combo produces 460 HP / 460 ft.-lbs.
INSTALLATION NOTES: Use Edelbrock Performer-Link Timing Chain and Gear Set #7801. 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 "0" position for most applications.
Footnote 1: Use with high stall torque converter only.
Footnote 2: Do not use dual valve springs. Use recommended or equivalent valve springs.
AMC
