Engine Pro MC2057 Hydraulic Flat Tappet Camshaft and lifters
This is for FORD SBF 221, 255, 260, 289, 302 C.I. (EXCEPT 1982-85 302 H.O. & 302 C.I. W/HYD ROLLER LIFTERS) FIRING ORDER 1-5-4-2-6-3-7-8.
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: 108 Exhaust: 116
- Power Range: 2000-4500
- Idle: Fair
- Lifter Part #: 900 (16- included)
- Comment: GOOD LOW AND MID RANGE TORQUE AND PULLING POWER.
- Note: THE BASE CIRCLE SIZE OF THE CAMSHAFT MAY REQUIRE CONVERSION TO AN ADJUSTABLE VALVE TRAIN.
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
