Chevrolet Big Block Adv. Duration: 287/295Duration @ .050": 252/260Lift: .618/.640Lobe Separation: 112 LCIncluded Lifters: 91118 Direct Lube Mech. Flat Tappet3000-7000. Fair idle, good mid-range power. 11.5-12.5:1 CR, 3000+ stall. Roots blower 8.0:1 max.
Chevrolet Big Block Adv. Duration: 287/295Duration @ .050": 252/260Lift: .618/.640Lobe Separation: 112 LCIncluded Lifters: 91115 Mechanical Flat Tappet3000-7000. Fair idle, good mid-range power. 11.5-12.5:1 CR, 3000+ stall. Roots blower 8.0:1 max.
Chevrolet Big Block Adv. Duration: 287/295Duration @ .050": 252/260Lift: .618/.640Lobe Separation: 110 LCIncluded Lifters: 91118 Direct Lube Mech. Flat Tappet3000-6800. Rough idle, good mid to upper range performance. 3000+ stall, 11.5:1+ CR.
Chevrolet Big Block Adv. Duration: 287/295Duration @ .050": 252/260Lift: .618/.640Lobe Separation: 110 LCIncluded Lifters: 91115 Mechanical Flat Tappet3000-6800. Rough idle, good mid to upper range performance. 3000+ stall, 11.5:1+ CR.
Chevrolet Big Block Adv. Duration: 287/295Duration @ .050": 252/260Lift: .618/.640Lobe Separation: 108 LCIncluded Lifters: 91118 Direct Lube Mech. Flat Tappet3000-6800. Rough idle, Hot Street/Bracket/Short Track Oval, high torque grind, 3000+ stall.
Chevrolet Big Block Adv. Duration: 287/295Duration @ .050": 252/260Lift: .618/.640Lobe Separation: 108 LCIncluded Lifters: 91115 Mechanical Flat Tappet3000-6800. Rough idle, Hot Street/Bracket/Short Track Oval, high torque grind, 3000+ stall.
Chevrolet Big Block Adv. Duration: 309/317Duration @ .050": 274/282Lift: .680/.680Lobe Separation: 110 LCIncluded Lifters: 91118 Direct Lube Mech. Flat Tappet4400-7800. Drag or Modified. Best in big cubic inch. Aggressive upper rpm. 12.5:1+ CR.
Chevrolet Big Block Adv. Duration: 309/317Duration @ .050": 274/282Lift: .680/.680Lobe Separation: 110 LCIncluded Lifters: 91115 Mechanical Flat Tappet4400-7800. Drag or Modified. Best in big cubic inch. Aggressive upper rpm. 12.5:1+ CR.