Originally Posted By 67_Satellite
Pre 67 big blocks had a " bottle neck" pushrod. Factory put a smaller radius on the lifter end for some reason.

Mopar use to use 1/4 inch lifter cups prior to 1967 in all of thier early V8 motors shruggy scope

Last edited by Cab_Burge; 09/01/18 02:01 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)