8KCAB 75' 8KCAB Inverted system not working

chadmaisel

New member
Joined
Dec 3, 2023
Messages
3
Location
Plano, Texas
When I go inverted in my new to me 8KCAB the oil pressure immediately goes to 20psi and then slowly keeps dropping. It comes back after going right side up. I have an 804-V vertical sump and I have replaced the 0-ring on the sump fitting, rebuilt the oil valve with new O-rings, balls, and spring to no avail. The only thing left to check is the slobber pot or could something else be the cause?