Description
Roller tip or true roller rockers a must. Deep tone in the exhaust with moderate chop. Works well with compression ratios of 9.8-10.0. Can be used with automatic or manual transmission. Suggested gear ratio with automatic 3.42 to 3.90. Suggested stall speed 2200 and greater. Manual transmission gear ratio suggested 3.73-4.30. Aftermarket intake, headers, enhanced ignition system suggested. RPM 2800 to 5800
@.050 228 int.
@.050 235 exh.
Lobe separation 110
Int. Lift .518
Exh. Lift .495
suggested lifters https://oldsperformanceproducts.com/product/lifters-hydraulic/
