[fordman13]

my truck has 49 psi at idle, and it drops to 36-39 at wot. have a sct tuned by id. tryied djs. fuel int. with some -6 lines to the frount of the heads, but it still drops, maybe worse. it don't have any driveablilty problems. ford say low fuel pressure is the leading problem with the injectors. any ideals???

 

[work&play]

I just did the BB mod on mine avd went from 49 to 61 psi at idle and it drops to about 40-45 at WOT. You take out the spring on the regulator and shim it with a BB.