He keeps the adjustable Fuelab pressure regulator set at approximately 65 psi. Hastings opted to run one of Irate Diesel Performance’s regulated return fuel systems to increase fuel supply being sent to the injectors (and also to rid the lifter valley of the factory fuel bowl). From there, a bulkhead fitting allows diesel to gravity feed toward an Irate Diesel Performance OBS competition fuel system, complete with a Fuelab 4140 lift pump. Doing away with the factory dual tank and restrictive fuel selector valve setup, Hastings installed a 38-gallon fuel tank intended for a Bronco (Spectra F26B) in the rear. All PCM calibrating is handled by Power Hungry Performance, and Hastings navigates his PHP tunes on the fly via a Hydra Chip. Ridding the engine of its weak, cam-driven factory lift pump, an electric OBS competition fuel system and regulated return from Irate Diesel Performance handle fuel supply duties. Keeping the oil side of the injectors happy, and replacing the volume-limited 15-degree factory high-pressure oil pump, is a T500 unit from Terminator Engineering. To date, a set of Stage 2 injectors from Rosewood Diesel Shop represent the furthest he’s dug into the 444 ci V-8. Untouched Long BlockĪfter obtaining the truck five years ago with just 131,000 miles on the odometer, Hastings is yet to break the seal on the low-mile 7.3L. A T500 high-pressure oil pump from Terminator Engineering has no problem maintaining plenty of oil volume for the Stage 2 sticks to use. Installing a set of Rosewood Diesel Shop’s 160cc, 80-percent over nozzle, Stage 2 injectors is the furthest he’s ever gone into the engine. Despite making an estimated 450 hp at the rear wheels, the 141,000-mile 7.3L Power Stroke powering Hastings’ OBS remains 100 percent stock (not even the valve springs or pushrods have been replaced). And if you add in a few modern performance upgrades like Hastings Foote did with his ’97 F-250, you’ve got a classic diesel with more than just cosmetic appeal. If you’re into them, you’re really into them. Still, the affinity for these aging Blue Ovals runs deep. While the 7.3L Power Stroke under the hood might last forever, the rest of the truck usually doesn’t keep pace. Twenty-plus years of changing seasons, exposure to salt, and general wear and tear definitely takes its toll on these square bodied beauties. Coming across a clean old body style Ford isn’t as easy as it used to be.
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