Originally Posted by twobad1
good luck i had probs with detonation others have had better luck,with such a small comb chamber 50-58cc? it raises compression almost too much for stock parts ,plenty of 882 castings w/194 out there and used aftermarket heads arent hard to find.
That's what I thought too( the small chambers) I almost answered the post yesterday but I wasn't possitive/..He said open chambered heads and all the 305's I've seen had 58 cc chambers or something like that.