Right Jeff, cannot be the over boost solenoid.
I should be looking at a system diagram before spouting off.
Fuel pressure was set and adjusted to 20 psi a few months ago with my adjustable fuel pressure relief valve. The fuel pressure gauge is currently disconnected but I can hook it back up and check. I'll check out your other ideas also.
47Dodge, I have a spare IP, if the ALDA in it is also no good, I may need your's.