Description
True roller rockers with 7/16th stud a must. Deep exhaust tone with heavy chop. Compression ratios of 10.5-10.9. Can be used with automatic or manual transmission. Suggested gear ratio with automatic 3.55 to 4.30. Suggested stall speed 2800 to 3500. Manual transmission gear ratio suggested 3.73-4.56. Aftermarket intake, headers, enhanced ignition system suggested. RPM 3800 to 6000
@.050 234 int.
@.050 242 exh.
Lobe separation 110
Int. Lift .548
Exh. Lift .538
suggested lifters https://oldsperformanceproducts.com/product/lifters-hydraulic/
