Description
Roller tip or true roller rockers a must. Deep exhaust sound with moderate to heavy chop. Suggested compression ratio 9.6 to 9.9. Stall speed 2400-2800. Can be used with manual transmission as well. Suggested gear ratio with automatic 3.42 to 3.90. Manual transmission gear ratio suggested 3.73 to 4.10. Aftermarket intake, headers, enhanced ignition system. RPM range 2800 to 5800
@.050 228 int.
@.050 235 exh.
Lobe separation 112
Int. Lift .520
Exh. Lift .518
Suggested lifters https://oldsperformanceproducts.com/product/lifters-hydraulic/
