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what are these from?

PostPosted: July 13th, 2012, 2:45 pm
by ausedwagon
after pulling the head off the ed after it stopped some of the pistons have clean spots, any ideas?

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Re: what are these from?

PostPosted: July 13th, 2012, 2:49 pm
by JUZXR8
Just carbon buildup mate. Pretty sure its just from running rich or using oil, maybe a mix of the two?

Re: what are these from?

PostPosted: July 13th, 2012, 4:00 pm
by misk
did you blow a head gasket?
thats usually a sign of water getting into the cylinder over a long period of time

Re: what are these from?

PostPosted: July 13th, 2012, 4:03 pm
by ausedwagon
misk wrote:did you blow a head gasket?
thats usually a sign of water getting into the cylinder over a long period of time


no water in the oil, car just stopped and when i tried to start it it backfired and farted but wouldn't run.