Quote:

Quote:

...otb stealths which lowered comp a little ,ROUGHLY 9.5 comp...



Excuse my ignorance, but how did you lose compression going to an 80cc closed chamber head? Were the 906s milled a bunch?



I guess I was wrong. the 906s were shaved to 82 cc and the stealths are I think 80 cc. I thought my 906s were shaved to 78 cc. my mistake.