1957 Oldsmobile 98 Performance Engines

“Edelbrock part No: 3712 Performer-Plus camshaft is designed for small-block Oldsmobile 350-403 V-8 applications. This Edelbrock cam kit produced 330 ft-lbs. of torque when used with No: 3711 intake and stock iron cylinder heads on a 350 engine. The camshaft will produce optimum torque from the low-end to the mid-range, Performer-Plus camshafts match with Performer manifolds for vehicles operating from off-idle to 5500 rpm. This Performer-Plus is a smooth idling cam for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. All camshafts include flat tappet lifters, assembly lube and instructions. Camshaft Specifications: – Duration at .050 Intake: 204 degrees – Duration at .050 Exhaust: 214 degrees – Lift at Valve Intake: .449″” – Lift at Valve Exhaust: .473″” – Lobe Separation: 114 Degrees – Intake Centerline: 106 Degrees – Idle Vacuum at 1000 RPM’s: 16″””

Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.

“Edelbrock part No: 7157 Performer RPM Camshaft is designed for Pontiac 350-455 V-8 applications. This Edelbrock cam kit produced 422 HP & 441 ft-lbs. of torque when used with No: 7156 intake and No: 60599 cylinder heads on a 455 engine. The camshaft works well with high-performance’s street applications, Performer RPM cams provide power from 1500 to 6500 rpm. This hydraulic lifter camshaft is dyno-matched to Performer RPM manifolds for high-rpm horsepower while still maintaining acceptable low-end torque. With 10 to 12 inches of manifold vacuum at idle, Performer RPM cams have more lift and duration than most street camshafts. Hydraulic flat tappet lifters are included with each Performer RPM camshaft. Camshaft Specifications: – Duration at .050 Intake: 231 degrees – Duration at .050 Exhaust: 240 degrees – Lift at Valve Intake: .470″” – Lift at Valve Exhaust: .470″” – Lobe Separation: 113.5 Degrees – Intake Centerline: 112 Degrees – Idle Vacuum at 1000 RPM’s: 10″””

“Edelbrock part No: 7112 Performer RPM Camshaft is designed for small-block Oldsmobile 350-403 V-8 applications. This Edelbrock cam kit produced 397 HP & 400 ft-lbs. of torque when used with No: 7111 intake and stock iron cylinder heads on a 350 engine. The camshaft works well with high-performance’s street applications, Performer RPM cams provide power from 1500 to 6500 rpm. This hydraulic lifter camshaft is dyno-matched to Performer RPM manifolds for high-rpm horsepower while still maintaining acceptable low-end torque. With 10 to 12 inches of manifold vacuum at idle, Performer RPM cams have more lift and duration than most street camshafts. Hydraulic flat tappet lifters are included with each Performer RPM camshaft. Camshaft Specifications: – Duration at .050 Intake: 224 degrees – Duration at .050 Exhaust: 234 degrees – Lift at Valve Intake: .496″” – Lift at Valve Exhaust: .520″” – Lobe Separation: 112 Degrees – Intake Centerline: 107 Degrees – Idle Vacuum at 1000 RPM’s: 12″””

An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.

“Edelbrock part No: 5487 Performer-Plus camshaft is designed for Buick 321-252 Even Fire V-6 applications. The camshaft will produce optimum torque from the low-end to the mid-range, Performer-Plus camshafts match with Performer manifolds for vehicles operating from off-idle to 5500 rpm. This Performer-Plus is a smooth idling cam for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. All camshafts include flat tappet lifters, assembly lube and instructions. Camshaft Specifications: – Duration at .050 Intake: 204 degrees – Duration at .050 Exhaust: 214 degrees – Lift at Valve Intake: .448″” – Lift at Valve Exhaust: .472″” – Lobe Separation: 112 Degrees – Intake Centerline: 107 Degrees – Idle Vacuum at 1000 RPM’s: 15″””