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Re: 93 7.3 ford / IH non turbo crankcase pressure test orafice
Posted to HD/Fleet Forum on 3/11/2021 1 Reply

Any chance you (or someone you know) has a scope and a low pressure transducer or First Look Sensor? If you have one big pulse in the crankcase while cranking (ie- worn rings) it would show up consistently on a scope. Login to read more.

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