well tried the decarbonizing, Didnt work so I got a wild hair and pulled the head. Not Good I have 6 holes in the piston. There is a scar about .030 in the ctlinder wall. Any suggestions on the cheapest yet durable way out?
I have a similiar problem. No gauge to tell but have very little or no compression <br />in the bottom cylinder. Pulled the head, piston looks OK, and cylinder fairly clean.<br />Should I re-ring it? If so, how much trouble is it to get piston out?? Thanks.
Would agree that the cheapest way in teh short run is to do that one cylinder - especially if the others are at 165 - the topend of the spec for compression.<br /><br />Before you go too far I would find out what caused the holes in teh piston first or you may be repeating the problem in a few weeks after getting back together. Holes being burned in a piston usually come from too lean a fuel/air mix. <br /><br />Good Luck<br />Deerdog