Originally Posted by
JEFASOLD
Yes, 53-56 is my understanding also. At less than WOT, I wouldn't expect the adjustable regulator to make any difference as the ECU compensates but BTTW when the injectors are 100% duty cycle the added pressure should get you a little more fuel, which should be enough to keep us from leaning out. At least, that's what it looks like to me but I've been wrong before.
If it would stop snowing here I could at least get the car to the dyno and finish my tune and I'd have the answer. May take till spring to know.