Description
Roller tip or true roller rockers a must. Heavy chop. Heavy chop in exhaust. Suggested compression ratio 10.8 to 11.3. Stall speed 2800-3500 for automatic transmission applications. Can be used with manual transmission as well. Suggested gear ratio with automatic 3.73 to 4.30. Manual transmission gear ratio suggested 3.90 to 4.30. Aftermarket intake, headers, enhanced ignition system. RPM range 3000 to 6000
@.050 238 int.
@.050 246 exh.
Lobe separation 112
Int. Lift .525
Exh. Lift .522
suggested lifters https://oldsperformanceproducts.com/product/lifters-hydraulic/
