Quote:
Originally Posted by HWYSTR455
40 at 3k is good to go, general rule of thumb is 10 psi per 1000 RPM, to give you an idea. And you will see a dip at higher RPM when the check ball unseats. Could be you are cruising right at where the check ball is unseating too.
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Good info there. I was wondering why my oil pressure sometimes dipped slightly at highway speeds. (3.73 rear end)
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1965 Pontiac LeMans. M21, 3.73 in a 12 bolt, Kauffman 461.