Description
Deep pronounced chop in exhaust. Suggested compression ratio 9.6-10.1. Dual exhaust a must, headers, enhanced power with aftermarket ignition, aftermarket intake manifold. Gear ratio with automatic 3.55 to 4.10. Manual transmission gear ratios 3.73-4.10. Factory oem rocker arms acceptable. Roller tip or true roller rocker will add enhanced performance. RPM range 2200-5800
@.050 225 int.
@.050 231 exh.
Lobe separation 109
Int. Lift .485
Exh. Lift .480
suggested lifters https://oldsperformanceproducts.com/product/lifters-hydraulic/
