I have a 54 gmc 302 that I have rebuilt, currently it is installed on my running stand.
This install uses an 6 bolt electric fuel pump, the one on the truck is 40 years old, not surprised when it did not work.
So I installed one bought at the local parts store, along with a fuel pressure regulator,
It worked fine for about 30 minutes then quit pumping.
So I tried another new pump, same results.
Pretty basic installation , 2 wires one is grounded.
I found it strange that both pumps never quit running, I would think that when the pump reaches pressure it should have stopped pumping? When the pressure drops it start up again?
Anybody had experience with pumps?
