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Re: 93 7.3 ford / IH non turbo crankcase pressure test orafice
Posted to HD/Fleet Forum on 3/9/2021 4 Replies

Thanks for the info. I'm fairly sure I have excess blow by, but want to be sure. Measuring at the engine dipstick tube, I have one cylinder showing a 2" h20 pulse ( -1.4 to +.7) while cranking the engine for relative compression test, and its burning a qt of o... Login to read more.

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