Originally Posted by oldandtired
Originally Posted by TheRabbit
Originally Posted by BEAST477
I'm running the Isky EZX lifters .904 lifter bore. These don't have the needle bearings. I've run them two seasons so far probably a little over 100 passes with no problems.
I know there will be others that will say they are too expensive but when I was building my engine most others were having problems at less than 50 passes.
X2 on Isky. They invented the roller cam didn't they?
Might be wrong, but I think Chet Herbert did it in 1949
And he got it from the airplane industry and applied it to automotive use.
Curtis