Thread: Strange spots on piston
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Old 11-15-2013, 04:26 PM
nokturnal nokturnal is offline
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Join Date: Mar 2012
Location: Ontario, Canada
Posts: 52
Arrow Strange spots on piston
Is this normal for the coating to come off like this? I know wearing off is normal, but I have not seen these blobby spots before...

It's an S3 top-end/cylinder kit. ~15h on it.






What do you think??

TIA
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