Jamie,JamieWebb wrote:... Our motors typically run 8.9-9.3 CR and around .050" on the squish.
But like I said, on our 20hp motors (after buildup) I have not seen conclusive evidence from the dyno that it helps or hurts.....
I can help you get it working if your intrested. Two stroke or four? Can you post a picture of the combustion chamber? Do the rules allow higher compression?