Originally Posted by cudachas
I had similar issues with mine , turned out four adjusters were tapping the baffles in my stock covers. Not sure what covers you have but if there stockers look for witness marks on the baffles.Good luck!

Hemi covers don’t have baffles
I ran mine (440 & 383) at zero lash + 1/4 turn, no tap,

Last edited by cudaman1969; 07/18/21 11:23 PM.