Posted by Daryl in Oz [162.158.2.97] on Friday, March 02, 2018 at 06:07:45 :
In Reply to: high oil pressure 100 psi 1933 Dodge flat 6 posted by Sal [173.245.52.136] on Thursday, March 01, 2018 at 17:38:21 :
Pressure relief valve stuck, or bypass blocked. The pump pressure pushes the piston against the spring to regulate the flow by bypassing excess flow to the pan, if the piston is stuck in the closed position it can't bypass.