hey thanks guy s um this week i got the head of and got done to the pistons my dad is a mechanic he said the only thing he found wrong with it was no 6 bore and piston is the problem but only 1 side of the bore is a little bit rough but that is all i still dont understand y what happened if that is all that is wrong but ohwell than ks for the feed bak does ne one know roughly how much a new engine will cost