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bpu699 bpu699 is offline
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Join Date: Apr 2007
Location: wisconsin
Posts: 2,567
Normal leakdown on fresh unrun motor?

Just did a leakdown as assembly is complete. I know the rings aren’t seated, as they are new.

Got 2 cylinders at 10%, couple at 6%, couple at 4%. All leakage via the rings into the crankcase...

I assume that’s normal as the rings aren’t broken in? Motor obviously cold...

All new rings, heads redone....

I assume this improve quite a bit once running and broken in?
Old 10-20-2019, 11:12 AM
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