I get about the same on pre-lube, 20+psi. I saw my Accusump working on video after a day at the track some time ago. Upon viewing the tape that night, I could see the
oil pressure drop from about 70 to just above 40. It stayed there for maybe 1+ second and then returned to 70 when the
oil returned to the sump. FWIW, this was on a somewhat long left hander with a slight bank.
Changed the pan and pump. No problems since. Still have the Accusump, just in case
