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Tech Question
mike sinclaire, cromwell, CT, 1967 Plymouth Satellite conv. 440
Hi, I put a used 440 in my car and the oil pressure was ok, 60 psi under throttle, 30 at idle.My problem now (a year later) is the oil pressure stays at 30 all the time, full throttle and idle. Car runs great, (too dang much gas though) has lots of power, no ticking, no funny noises. Is this constant 30 psi oil pressure a problem -- should I investigate further?
Thanks, Mike
Mike-
If the oil pressure stays up at 30 PSI at hot idle, the engine is basically healthy so there's no need to worry. But the fact that it doesn't increase makes me think that there's some oddball problem in the oil pump, which I would change (takes 5 minutes if you're slow). The old (and very conservative) rule of thumb: You need 10 PSI of oil pressure for every 1000 RPM of engine speed. I.e., 5,000 RPM requires 50 PSI to be safe.
Rick
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