Why Fuel Tank Selector Valve Limits Performance in OBS Powerstrokes
Owners of 94-97 “OBS” Powerstrokes struggle with performance upgrades that require larger than stock fuel pumps because it always brings up the fuel tank dilemma…sacrificing fuel tank capacity (miles per fill-up) for performance, or replacing the rear fuel tank with a “Bronco Tank” (or equivalent) in order to maintain the capacity but run on a single tank.
