Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle) Performance level 2-3 - Power Compu-Pro - These cams provide excellent low end and mid-range power and extended rpm range for spirited street and offroad driving. A perfect combination of mileage and power. Modifications should include small diameter tube headers, low restriction dual exhaust, aftermarket manifold, increased cfm carburetor and reworked or performance ignition. Increase in compression ratio to 9.5:1 is recommended for maximum output. Works well with automatic transmission or 4-speed. INT/EXH - Dur @ .050” Lift: 215°/221° RR: 1.6/1.6 Gross Lift: .488”/.494” LSA: 112° RPM: 1300-1500 to 4800 Redline: 5300 Learn More
Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle) Performance level 2-3 - Power Compu-Pro - These cams provide excellent low end and mid-range power and extended rpm range for spirited street and offroad driving. A perfect combination of mileage and power. Modifications should include small diameter tube headers, low restriction dual exhaust, aftermarket manifold, increased cfm carburetor and reworked or performance ignition. Increase in compression ratio to 9.5:1 is recommended for maximum output. Works well with automatic transmission or 4-speed. INT/EXH - Dur @ .050” Lift: 210°/219° RR: 1.6/1.6 Gross Lift: .451”/.474” LSA: 112° RPM: 1300-1500 to 4800 Redline: 5300 Learn More
Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle) Performance level 1-2 - Mileage Compu-Pro - These cams are designed to enhance throttle response and low-end torque in vans, trucks and passenger cars while delivering fuel efficient motoring. High vacuum and smooth idle are characteristic of these profiles. Stock or small cfm carburetor, small diameter tube headers, dual exhaust, and ignition rework are recommended for maximum benefit INT/EXH - Dur @ .050” Lift: 203°/211° RR: 1.6/1.6 Gross Lift: .448”/.450” LSA: 112° RPM: Idle to 4200 Redline: 4700 Learn More
Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle) Performance level 1-2 - Mileage Compu-Pro - These cams are designed to enhance throttle response and low-end torque in vans, trucks and passenger cars while delivering fuel efficient motoring. High vacuum and smooth idle are characteristic of these profiles. Stock or small cfm carburetor, small diameter tube headers, dual exhaust, and ignition rework are recommended for maximum benefit INT/EXH - Dur @ .050” Lift: 192°/196° RR: 1.6/1.6 Gross Lift: .429”/.445” LSA: 112° RPM: Idle to 4200 Redline: 4700 Learn More
Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle) Performance level 4 - Ultra-Performance Compu-Pro - The following grinds are best suited for dual purpose hot street/drag strip situations. These cams exhibit strong mid-range and top end torque and horsepower. Headers, dual exhaust, larger cfm carburetor, performance ignition and 11:1 compression are a must. Cylinder head modifications would be beneficial. Use with standard transmission or automatic with high stall converter. Low gearing a must. INT/EXH - Dur @ .050” Lift: 237°/240° RR: 1.6/1.6 Gross Lift: .538”/.533” LSA: 112° RPM: 2000-2200 to 6200 Redline: 6500 Learn More
Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle) Performance level 4 - Ultra-Performance Compu-Pro - The following grinds are best suited for dual purpose hot street/drag strip situations. These cams exhibit strong mid-range and top end torque and horsepower. Headers, dual exhaust, larger cfm carburetor, performance ignition and 11:1 compression are a must. Cylinder head modifications would be beneficial. Use with standard transmission or automatic with high stall converter. Low gearing a must. INT/EXH - Dur @ .050” Lift: 247°/251° RR: 1.6/1.6 Gross Lift: .546”/.557” LSA: 112° RPM: 2000-2200 to 6200 Redline: 6500 Learn More
Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle) Performance level 3-4 - High Performance Compu-Pro - Intended for the performance oriented hot street application. These cams offer an extended rpm range with emphasis on upper bottom to top end power (strong mid-range). Performance gears, headers, dual exhaust, larger than stock cfm carburetor, performance manifold and increased compression (9.5:1 to 10.5:1) are required. Works well with automatic transmission if matched with proper ring and pinion gears and/or high stall converter. INT/EXH - Dur @ .050” Lift: 220°/227° RR: 1.6/1.6 Gross Lift: .485”/.496” LSA: 112° RPM: 1600-1800 to 6200 Redline: 6500 Learn More
Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle) Performance level 3-4 - High Performance Compu-Pro - Intended for the performance oriented hot street application. These cams offer an extended rpm range with emphasis on upper bottom to top end power (strong mid-range). Performance gears, headers, dual exhaust, larger than stock cfm carburetor, performance manifold and increased compression (9.5:1 to 10.5:1) are required. Works well with automatic transmission if matched with proper ring and pinion gears and/or high stall converter. INT/EXH - Dur @ .050” Lift: 229°/236° RR: 1.6/1.6 Gross Lift: .520”/.528” LSA: 112° RPM: 1600-1800 to 6200 Redline: 6500 Learn More