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Old 11-03-2015, 06:07 PM
maxwedge maxwedge is offline
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Re: Leak down test, leaking through intake

40% is close to a dead cylinder, I would dribble some seafoam into the intake port down around the valve, turn the engine over by hand just enough to crack the valve open. Let the stuff work for 24 hrs. Should soften up the carbon,worth a try.
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