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I rebuilt my 231 (3800 series II, 3.8) chevy.
I checked the bearing clearances several times, and primed the engine before starting it the first time.
the current pressure I am seeing is about 70-80 cold and 45-60 at operating temperature.
if you are seeing anything lower than 30, it is likely time for a rebuild. the oil pumps on these engines are crank driven and there is no such thing (for these) as a high pressure pump.
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∙ 11y ago
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