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post #1 of (permalink) Old 09-12-2001, 12:59 AM
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401 oil pressure

Finally got my rebuilt 401 installed. 45lbs @ idle cold. 20 pounds warm. BUT - 4-6 lbs at 3000rpm. At speed the pressure goes down when the engine is warm. No knocks or rattles. I replaced the gauge with a new mechanical set - same readings. What the hell? Does this sound like the timing cover worn or just lots - too much - clearances?

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