when pushing cup in the rod make sure this is no bur . Best to lathe cut them and champher, cooling cup in the freezer or heating pushrod to about 400 degrees F on the end with a bearing heater also works well

E. Williams 65 Coronet 500 3400lbs w/d, 446, Indy EZ'S, A&A transbrake,Comp 650 lift cam, 6.50 @ 105 mph 1/8th 10.25 @ 130mph 1/4