Description
Roller tip or true roller rockers a must. Deep tone in the exhaust with heavy chop. Works well with compression ratios of 10.2-10.5. Can be used with automatic or manual transmission. Suggested gear ratio with automatic 3.55 to 4.10. Suggested stall speed 2400 to 2800. Manual transmission gear ratio suggested 3.73-4.30. Aftermarket intake, headers, enhanced ignition system suggested. RPM 2800 to 6000
@.050 231 int.
@.050 238 exh.
Lobe separation 110
Int. Lift .525
Exh. Lift .518
suggested lifters https://oldsperformanceproducts.com/product/lifters-hydraulic/
