Mechanical gauge installed. 65 degrees outside. Startup idle 65psi. After two cycles of the electric fan kicking in and off the hot idle psi was about 18-20. In gear with lower idle around 860rpm (guessing) The psi was 16-17psi.
1- proves the electric oil psi gauge didn’t like the low volt issue.
2- still kinda of low according to many comments on a warm engine idle that should be a low mile engine. The prior owner said he changed to bigger cam, roller rockers, and had head work done on the crate 360/390hp.
I checked the oil filter temp surface with laser temp gun. It was 205.
Should I bother with a cylinder leak down test? Cold cranking psi was good.
