Description
Roller tip or true roller rockers a must. Heavy chop. Deep exhaust sound. Suggested compression ratio 9.8 to 10.3. Stall speed 2400-2800. Can be used with manual transmission as well. Suggested gear ratio with automatic 3.55 to 4.10. Manual transmission gear ratio suggested 3.73 to 4.30. Aftermarket intake, headers, enhanced ignition system. RPM range 2800 to 5800
@.050 231 int.
@.050 239 exh.
Lobe separation 112
Int. Lift .522
Exh. Lift .518
Suggested lifters https://oldsperformanceproducts.com/product/lifters-hydraulic/
