I've seen .001 to .003 gain or loss at the 1/4 mile tracks when tightening up the lash or loosening them up by .006 to .010 shruggy work
I tighten them up until it stops getting quicker and faster up scope

Last edited by Cab_Burge; 01/17/20 11:08 PM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)