Oldsmobile V8 260 350 425 Stage 3 472/496 Lift Cam Camshaft MC2101.
MC2101 Hydraulic Flat Tappet Camshaft!
This is a flat tappet cam for OLDSMOBILE V8 1967-85 (39 DEGREE BANK ANGLE) 260, 307, 350, 400, 403, 425, 455 C.I. Engines.
Camshaft Specifications:
- Stage: 3
- Duration @ .050": Intake: 214 Exhaust: 224
- Advertised Duration: Intake: 290 Exhaust: 300
- Valve Lift: Intake: .472 Exhaust: .496
- Lobe Separation: Intake: 106 Exhaust: 118
- Power Range: 2000-4500
- Idle: Fair
- Lifter Part #: 951 (not included)
- Comment: GOOD LOW TO MID RANGE TORQUE. STOCK TORQUE CONVERTER.
- Note: THESE CAMSHAFTS HAVE BASE CIRCLES .100” TO .150” SMALLER THAN THE STOCK CAMSHAFT. SINCE THESE ENGINES HAVE NON-ADJUSTABLE ROCKER ARMS, IT MAY BE NECESSARY TO USE LONGER PUSH RODS OR ADJUSTABLE PUSH RODS.
General Stage 3 Camshaft Specifications:
- Idle Quality: Fair with some lope
- Torque: Mid-Range 2400-3200 RPM
- Fuel Economy: FAIR
Recommendations:
- Towing: Not Recommended
- Racing: Mild Bracket Racing
- Computer Controlled Vehicles: Modified computer chip may be required to compensate for low vacuum
- Transmission: STOCK AUTOMATIC OR MANUAL
- Compression Ratio: 10.3:1 or less check valve to piston clearance
