Originally Posted by
beidle99
I dont know about the Keep off engines, but Nova's typically come with .8mm shimming and after a few gallons you can remove a .2mm and add a .1mm to get to .7mm. Chances are you are missing something, or the brass shim is stuck to the head button.
Thats the thing, there is no brass shim. ONLY 2 silvers. I would like to remove one. Wats the worst that could happen? pre detonation? It actually sounds like then Im already running a high compression ratio with .4mm which is what I was thinking, but Id like to raise it more....