[hjewell2]

Originally Posted by thi

on flat cams i will use only gm lifters, they have a hardened disc on the bottom of the lifter rather than case hardening the lifter body. Have broken in 4 engines in the last three years with these lifters and have had no issues (cams were older new cams still in their box). I am going to roller cams in the future due to poor cam cores available today.

bingo!!