fixitguy50 Posted November 8, 2012 Share Posted November 8, 2012 So, I've got my block fully disassembled and found carbon deposits at the base of the cylinder walls, inside the pistons, on the piston skirts & tops and the oil rings were cemented into place with carbon. I had piston slap and some knocking that wasn't going away at idle. The cylinders still have cross-hatches so I'm thinking the collapsed oil rings and clogged oil holes in the piston skirts and carbon deposits on the skirts may have caused the slap. Am I deluded ? What do I need to check ? The main and rod bearings are worn and have some scrapping from dirt or carbon. What should I check ? Quote Link to comment Share on other sites More sharing options...
davebugs Posted November 8, 2012 Share Posted November 8, 2012 year/engine/miles/intent? I'd likely say bearings and rings. Quote Link to comment Share on other sites More sharing options...
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