OR...Run the psi from the center rear oil puck and run you return cooled filtered to the main oil galley. The boss is just above the oil pan fitting on the left side of the case. By returning oil to the motor here at the point of use, the mains, the oil is cooler then having to travel from the back of the motor to the mains. I was told by a very good and well know builder, no names, that tis is a very good way.