Ford Small Block 351W 1969-1996Advertised Duration: 295/299Duration @ .050": 260/264Valve Lift w/1.60 Rockers: .592/.592Lobe Separation Angle: 106Intake Centerline: 102Valve Lash: .022/.0224000-7800. Bracket race or 3/8 to 1/2 mile oval track with fast corners.
Ford Small Block 351W 1969-1996Advertised Duration: 285/291Duration @ .050": 250/256Valve Lift w/1.60 Rockers: .560/.571Lobe Separation Angle: 110Intake Centerline: 106Valve Lash: .022/.0223600-7600. Rough idle, excellent mid-range, needs 11.0:1+ CR, 2500+ stall & good heads.
Ford Small Block 351W 1969-1996Advertised Duration: 285/291Duration @ .050": 250/256Valve Lift w/1.60 Rockers: .560/.571Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0223400-7400. Rough idle, needs good induction system, good oval track cam.
Ford Small Block 351W 1969-1996Advertised Duration: 289/295Duration @ .050": 254/260Valve Lift w/1.60 Rockers: .587/.592Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0223600-7400. Rough idle, bracket cam, best with 11.0:1+ CR & 4000+ stall.
Ford Small Block 351W 1969-1996Advertised Duration: 281/287Duration @ .050": 246/252Valve Lift w/1.60 Rockers: .549/.565Lobe Separation Angle: 106Intake Centerline: 102Valve Lash: .022/.0222800-6800. Fair idle, street/strip in light car, 10.0:1 CR, 4.10 or lower gears.
Ford Small Block 351W 1969-1996Advertised Duration: 265/265Duration @ .050": 230/230Valve Lift w/1.60 Rockers: .512/.512Lobe Separation Angle: 110Intake Centerline: 106Valve Lash: .022/.0222200-5800. Good street cam, broad power range, 2200+ stall recommended.
Ford Small Block 351W 1969-1996Advertised Duration: 303/313Duration @ .050": 268/278Valve Lift w/1.60 Rockers: .587/.612Lobe Separation Angle: 110Intake Centerline: 106Valve Lash: .022/.0224400-8200. Bracket racer special, super strong mid-range & top end, great in big cubic inch.
Ford Small Block 351W 1969-1996Advertised Duration: 295/303Duration @ .050": 260/268Valve Lift w/1.60 Rockers: .592/.587Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0224000-8000. Rough idle, bracket favorite, needs 11.0:1 CR & 4000+ stall.
Ford Small Block 351W 1969-1996Advertised Duration: 284/292Duration @ .050": 256/264Valve Lift w/1.60 Rockers: .501/.501Lobe Separation Angle: 106Intake Centerline: 102Valve Lash: .016/.0163800-7600. Oval track, .500" lift rule, fast banked 1/4 to 3/8 miles.
Ford Small Block 351W 1969-1996Advertised Duration: 272/280Duration @ .050": 244/252Valve Lift w/1.60 Rockers: .501/.501Lobe Separation Angle: 106Intake Centerline: 102Valve Lash: .016/.0162800-6800. Oval track, .500" lift rule, best on tight short tracks, low vacuum.
Ford Small Block 351W 1969-1996Advertised Duration: 264/268Duration @ .050": 236/240Valve Lift w/1.60 Rockers: .574/.590Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .018/.0182400-6000. Street/strip, high torque with mid-range & top end power, 2500+ stall.