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Old 03-24-2018, 12:02 PM   #36
Art Newland
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Join Date: Mar 2016
Location: Lynden, WA
Posts: 1,564
Default Re: 8RT pulling the heads

A few updates on my “farmer” refresh. First off, apologies to tubman, I mixed things up and indeed the boogered up piston was the lowest compression hole (32 PSI). About a inch of both compression rings not only missing but the large gaps were aligned. Lots of fire shooting past the piston eventually partially melting it. Lots of carbon collected ring below, luckily the lowest ring looks to have contained it some-what. The other low cylinder (70 PSI) top ring was broken in about 5 pieces and the bottom ring had some small chips in the lower face. My guess it was broken installing the piston. Since the other piston's large pieces are missing, and there isn't any sign of the broken off pieces, I think it was installed that way as well.
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File Type: jpg burnt piston.jpg (62.3 KB, 160 views)
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