5.3 pushrod
#1
5.3 pushrod
jus built 5.3 from 2004 avalanche going in my 78 Camaro using comp cams thumper ca 54-602-11 used there valve springs for cam. problem I now have is to much valve lash like 80 thou so no preload using stock roller lifters and push rods and stocl roller rockersany ideas