Oil pressure specs when engine is hot.
6 psig at 1,000 engine RPM
18 psig at 2,000 engine RPM
24 psig at 4,000 engine RPM
If your readings are lower, I am suspecting your oil pump is getting weak or you have a lot of sludge in the oil pan causing low pressure. More than likely a bad pump.
Last edited by chevy82; 11-22-2014 at 01:32 PM.