I'm measuring my oil pressure like you, at the exit elbow of the oil filter. I read 40-45 psi no matter if the oil is hot or cold (+13 degrees this morning). Is that because the measurement comes after the filter?


1948 3/4-Ton 5-Window Flatbed Chevrolet

34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.