Originally Posted by easterisland

couple of observations from this morning. I stomped on it first thing this morning with a quarter tank gas and my wideband showed my air fuel at 14 at WOT. I let off and filled the tank. No more lean after that. Maybe it is the regulator that is a POS, but I can't get the pressure adjusted correctly. When I adjust it to 40 psi with the vacuum line disconnected and then reconnect the vacuum line it stays at 40. I let the truck idle for 15 minutes last night and the pressure came down to about 34 psi under vacuum, but when driven the pressure stays at about 44 and will rise to about 60 at WOT...
I had to short the wires before the resister to even get that type of fuel pressure...