NEW in Box Chevrolet SBC Chevy Engine Pro Rough Idle 262, 265, 267, 302, 305, 307, 327 350 400 C.I. Flat Tappet Cam. These cams are brand new in the box from the factory. Please look at the second picture for cam specs.
Mechanical Lifter Cam
Stage 4 Cam (see cam range & selection chart), (2nd Picture).
Duration @ .050 Intake 240 Exhaust 250
Advanced Duration Intake 282 Exhaust 290
Valve Lift .520 Exhaust .520
Lobe Sep. Intake 104 Exhaust 108
Power range 2700-6200
Idle lash .022 int. .024 exh rough
Comment: Lope Not computer compatible.
- Ground in the USA American made casting and billets
- Computer designed lobe profiles for maximum power
- Journal roundness maintained to within .0002"
- Manganese phosphate coated, flame hardened castings or induction hardened billets
- Profiles are Adcole verified for the ultimate in accuracy.
General Stage 4 Camshaft Specifications:
- Idle Quality: Rough. Manifold Vacuum Will Not Operate Power Brakes
- Torque: Mid-Range 3000-4000 RPM
- Fuel Economy: Poor
Recommendations:
- Towing: Not Recommended
- Racing: Bracket Drag Racing, Limited Oval Track
- Computer Controlled Vehicles: Not Recommended
- Transmission: Automatic With High Stall Converter or Manual
- Compression Ratio: 10.5:1 To 11.0:1. Check Valve to Piston Clearance
