In Reply to: Lower oil pressure with heavier weight oil? What’s going on? posted by JohnB on March 05, 2018 at 11:15:03:
10 psi idle and 30 psi working sounds dang good to me. Why muck around with it? I had one run about 5 psi at idle and 15 working. It ran about 20 years that way and did not get babied. I have since had it overhauled.