Yes, my lobe lift is .403x1.6=.6448-.018=.6268, I'm totally new to Andy's way of figuring this with the lobe lift at 106* and piston TDC. Ok, so do i minus the .2256 from the .368 valve drop number giving .1424? I'm confused.

Last edited by mopar dave; 11/24/20 08:46 AM.