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Originally Posted by tpiini
I've seen loose engines running 10 psi at idle without problems.
Tom
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The rule of thumb is 10 psi per 1,000 rpm...as at 4,000 rpm you should have in the neighborhood of 40 psi. The
oil pressure should go up in relation to the rpms. I don't know what your problem is, but you'll gain some more by changing the pressure spring in the
oil pump to a high pressure spring, available at
http://www.precisionoilpumps.com/. You'll have to call him to order anything, his website doesn't list everything he sells. He's excellent to deal with.