Originally Posted by
iceman
Thanks for the reply. What I'm trying to do is tame down an over-cammed engine. I was thinking that the differrent shapes of the lifter bottoms would reduce duration and move the RPM band down. My first concern is that they would damage components. But I am also concerned about what happens at the top of the lobe. But you've given me an idea. I can graph the differences using a degree wheel and a dial indicator in conjuntion with the two different lifters.
Thanks again!