Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 262/266Duration @ .050": 209/213Valve Lift w/1.70 Rockers: .510/.527Lobe Separation Angle: 112Intake Centerline: 1081200-4400 Great daily usage, smooth idle, great fuel economy.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 266/274Duration @ .050": 213/221Valve Lift w/1.70 Rockers: .510/.538Lobe Separation Angle: 112Intake Centerline: 1081400-4600 Good idle, Off-Road & Street Performance. 9.0:1 CR advised.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 272/280Duration @ .050": 219/227Valve Lift w/1.70 Rockers: .555/.555Lobe Separation Angle: 110Intake Centerline: 1061600-5000 Good idle, Performance Street, great low to mid-range. Headers suggested.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 278/284Duration @ .050": 225/231Valve Lift w/1.70 Rockers: .567/.578Lobe Separation Angle: 110Intake Centerline: 1061800-5400 Noticeable idle, Street Performance. Should have 2000+ stall, 9.5:1 CR.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 278/284Duration @ .050": 225/231Valve Lift w/1.70 Rockers: .567/.578Lobe Separation Angle: 112Intake Centerline: 1081800-5400 Fair idle, Street & mild Performance usage. Crisp throttle.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 278/288Duration @ .050": 225/235Valve Lift w/1.70 Rockers: .595/.601Lobe Separation Angle: 112Intake Centerline: 1081800-5600 Mild idle, Street Performance, Great mid-range torque. Headers suggested.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 278/288Duration @ .050": 225/235Valve Lift w/1.70 Rockers: .595/.601Lobe Separation Angle: 114Intake Centerline: 1101800-5600 Fair idle, excellent mid-range power. 2500+ stall. Also good w/roots blower, 10psi max.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 280/280Duration @ .050": 227/227Valve Lift w/1.70 Rockers: .555/.555Lobe Separation Angle: 110Intake Centerline: 1062000-5600 Mild rough idle, Hot Street. Should have good exhaust, 2500+ stall & 9.5:1 CR.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 282/288Duration @ .050": 229/235Valve Lift w/1.70 Rockers: .589/.601Lobe Separation Angle: 108Intake Centerline: 1042000-5700 Street/Strip, 10.0:1+ CR, aftermarket dual plane intake recommended.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 282/288Duration @ .050": 229/235Valve Lift w/1.70 Rockers: .589/.601Lobe Separation Angle: 110Intake Centerline: 1062000-5800 Fair idle, Performance usage. Mid-range torque & horsepower.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 282/288Duration @ .050": 229/235Valve Lift w/1.70 Rockers: .589/.601 Lobe Separation Angle: 112Intake Centerline: 1082000-5800 Fair idle, Moderate Street/Mild Bracket. Good mid-range. 10.0-11.5:1, 2500+ stall.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 284/288Duration @ .050": 231/235Valve Lift w/1.70 Rockers: .578/.618Lobe Separation Angle: 108Intake Centerline: 1042400-6000 Fair idle, Performance usage. Great mid-range torque & power.