Abradable Piston Coatings

Abradable Piston Coatings

Last year during tear down when I was inspecting the pistons, I noticed a bit of piston rock had been going on. Not terrible, but just enough to scuff up the top of the piston near the top ring – more than I’d like. The piston skirts didn’t get knocked in, no excessive cylinder clearance – just big piston and a short skirt I guess.

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