Actually it was the FD pump I pulled when I swapped to the Aeromotive, it was fed 14v as that is what my fuel pumps get, thanks to new wiring, into a 3/8" feed and 5/16" return, return was only used when demonstrating how the regulator worked. It was an open loop, no carb or injectors hooked up. Pressure was only present when there was a regulator in the line, and noise from the pump decreased as pressure dropped.

Pumps are built stronger to support higher pressures, it does not mean that they put out pressure.

 

Alex Rodriguez is selling a holly fpr 1-4psi i think in his westcoast for sale section

-HOLLEY FPR 1-4psi NEW w/ EARLS extended summit gauge new $50 shipped