Chevrolet Small Block 262-400Advertised Duration: 275/275Duration @ .050": 221/221Valve Lift w/1.50 Rockers: .470/.470Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: Hyd./Hyd.1700-5700. Good low & mid-range horsepower, needs 4 barrel & headers.
Chevrolet Small Block 262-400Advertised Duration: 267/267Duration @ .050": 213/213Valve Lift w/1.50 Rockers: .430/.430Lobe Separation Angle: 111Intake Centerline: 107Valve Lash: Hyd./Hyd.1200-5000. Good idle, street, off road, towing, good fuel efficiency.
Chevrolet Small Block 262-400Advertised Duration: 275/275Duration @ .050": 221/221Valve Lift w/1.50 Rockers: .445/.445Lobe Separation Angle: 110Intake Centerline: 106Valve Lash: Hyd./Hyd.1500-5600. Nice idle, good low & mid range horsepower.
Chevrolet Small Block 262-400Advertised Duration: 297/297Duration @ .050": 243/243Valve Lift w/1.50 Rockers: .508/.508Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: Hyd./Hyd.2800-6800. Lopey idle, needs low gears, headers & compression.
Chevrolet Small Block 262-400Advertised Duration: 255/261Duration @ .050": 201/207Valve Lift w/1.50 Rockers: .410/.420Lobe Separation Angle: 114Intake Centerline: 110Valve Lash: Hyd./Hyd.600-4800. Smooth idle, Strong low end, high vacuum, good fuel economy
Chevrolet Small Block 262-400Advertised Duration: 261/261Duration @ .050": 207/207Valve Lift w/1.50 Rockers: .420/.420Lobe Separation Angle: 111Intake Centerline: 107Valve Lash: Hyd./Hyd.800-4800. Good idle, street, off road, towing, good torque.
Chevrolet Small Block 262-400Advertised Duration: 285/285Duration @ .050": 231/231Valve Lift w/1.50 Rockers: .480/.480Lobe Separation Angle: 106Intake Centerline: 104Valve Lash: Hyd./Hyd.2800-6400. Rough idle, broad power band, works will in heavy vehicles, needs 3200+ stall.
Chevrolet Small Block 262-400Advertised Duration: 285/285Duration @ .050": 231/231Valve Lift w/1.50 Rockers: .480/.480Lobe Separation Angle: 108Intake Centerline: 106Valve Lash: Hyd./Hyd.2800-6400. Fair idle, broad power band, works well in heavy vehicles.
Chevrolet Small Block 262-400Advertised Duration: 285/285Duration @ .050": 231/231Valve Lift w/1.50 Rockers: .480/.480Lobe Separation Angle: 110Intake Centerline: 106Valve Lash: Hyd./Hyd.2600-6400. Fair idle, hot street/strip performance, needs headers, gears, & 2500+ stall.
Chevrolet Small Block 262-400Advertised Duration: 299/299Duration @ .050": 245/245Valve Lift w/1.50 Rockers: .510/.510Lobe Separation Angle: 109Intake Centerline: 105Valve Lash: Hyd./Hyd.3400-6700. Hot street/brackets, needs 10:0:1+ CR, good heads & exhaust, 3500+ stall.
Chevrolet Small Block 262-400Advertised Duration: 299/299Duration @ .050": 245/245Valve Lift w/1.50 Rockers: .510/.510Lobe Separation Angle: 109Intake Centerline: 105Valve Lash: Hyd./Hyd.3400-6700. Small Base Circle, Hot street/brackets, needs 10:0:1+ CR, good heads & exhaust, 3500+ stall.
Chevrolet Small Block 262-400Advertised Duration: 285/289Duration @ .050": 231/235Valve Lift w/1.50 Rockers: .480/.488Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: Hyd./Hyd.2200-6200. Lopey idle, Broad power band, strong top end power.