Originally Posted by Al_Alguire
Typical when having to use a shim....My question would be why the need for the shim??
Somehow i ended up with pushrods that were too long, the shim is cheap, even after paying $40 for long bolts.
But even without the shim, too little thread engagement for my taste. Not to mention a .225 deep hole in the port roof, 7/16 diameter.

Last edited by gregsdart; 04/12/24 08:40 PM.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky