Description
Nice moderate to hot street application for the 350. Slight exhaust chop. Suggested compression ratio 8.6-9.2. 1968 -1970 2bbl. originally or 1971-1972 4bbl originally. Factory exhaust manifolds acceptable. Dual exhaust a must. Headers will enhance torque and power. Enhanced power with aftermarket ignition and intake manifold. Gear ratio with automatic 3.23 to 3.42. Works well with factory torque converter or even a slight 2200 stall speed. Manual transmission gear ratio suggested 3.42-3.73. Factory oem rocker arms acceptable. Roller tip or true roller rocker will add enhanced performance. RPM range 1800-5200
@.050 218 int.
@.050 223 exh.
Lobe separation 108
Int. Lift .468
Exh. Lift .452
suggested lifters https://oldsperformanceproducts.com/product/lifters-hydraulic/
