Quote:
Originally Posted by Kingtal0n
Oil raises compression ratio and causes detonation. You can see flakes/chunks of piston missing because its been running like shit for quite a while. Check intake manifold for oil; if there isn't any in there, it has to be coming through the head somehow.
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The 205 compression seemed too high. I was worried about running boost on top of that but the pistons are good I checked them before I put the head back on. No signs of pitting or pieces missing. The cylinder head took all the detonation damage from what I could tell