Quote:
Originally Posted by Hotfingrs
Looking at the tops of the pistons, sure looks like detonation. Detonation broke a piece of the piston.
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i agree....looks like little pieces of piston welded to the head.
whats the CR? looks sooty too so doesn't seem to be running lean.
if the pieces of piston weren't there and you kissed the plug i would venture to say it was over-reved. maybe a little of both....