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Old 04-08-2018, 07:46 PM   #3
drolston
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Join Date: Jun 2014
Location: Williamsburg, VA
Posts: 1,627
Default Re: Engine problem or normal?

Oil pressure is definitely not normal. My 59A had rods knocking and compression under 70 lb and still held 40 PSI at speed and 10 at idle. Check oil pressure with a mechanical gauge before you panic. If the pressure is real, I suspect the oil pressure relief valve is bad. Otherwise you would be hearing some expensive noises. Worry about the overflow later.
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