Description
True roller rockers a must. 7/16th rocker studs required. Excellent drivability. Great throttle response. Mild chop in exhaust. Suggested compression ratio 9.4 to 9.6. Stall speed suggested 2400 for automatic transmission applications. Can be used with manual transmission as well. Suggested gear ratio with automatic 3.23 to 3.73. Manual transmission gear ratio suggested 3.42 to 3.73. Aftermarket intake, headers, enhanced ignition system. RPM range 2400 to 5800
@.050 226 int.
@.050 234 exh.
Lobe separation 112
Int. Lift .535
Exh. Lift .520
suggested lifters https://oldsperformanceproducts.com/product/lifters-hydraulic/
