They do have smaller chambers, and I figure they might take the compression up a point or so. I posted this question a while back, and don't think anyone could pin it down to an exact number. The marine engine is designed to run on regular, so I figure with the smaller chambers hi-test should be ok.

I think I'll button this thing up as a stock motor to just get it running, but may do some cam work later on if the lope isn't enough. ( I don't care how fast it is, just so it SOUNDS wicked. ) Your cam sounds intriquing though, and if you still have it later on I would like to talk to you about it.


Don