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Old 01-30-2013, 08:08 AM
ap72 ap72 is offline
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when you rebuilt the engine you did use a new oil pump right? I wouldn't dream of reusing one since they're so cheap. I also almost always use a high volume unit which would probably have fixed this problem before it started.

20psi at 1500 RPM is fine, BUT you also have the problem of lower than normal oil pressure along with far too low of cruise speed- together these can wear bearings pretty quickly.
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