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Old 09-26-2017, 11:05 AM
lmsport lmsport is online now
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Something to check when you get the pump off-a couple times I put engines together with new pumps and the regulator valve immediately got stuck in the pump body, those engines still had pressure but it was really low at idle but would come up to normal pressure as RPM increased. I started taking every pump apart and cleaning and deburring the regulator valve pieces.

One other big leak is if the rear cam bearing is not installed deep enough to cover the entire rear oil passage that runs in the #5 cam journal. Did that one myself many years ago, never forget to check now.
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