I was contemplating shaving my heads for a bump of a half point to a point, this is good info and I think I'll pull those suckers off at the end of the season and shave them.
EDIT: Noticed you shaved the block and now it likes less timing. What was the before and after piston to head clearance?
Last edited by GTX MATT; 05/08/1505:16 PM.
Now I need to pin those needles, got to feel that heat Hear my motor screamin while I'm tearin up the street