Diesel World - - Contents -

As a gen­eral rule of thumb, the ear­lier the elec­tron­i­cally con­trolled diesel, the less horse­power po­ten­tial you have to play with. Take the ’94.5-97 7.3L Power Stroke for ex­am­ple (not to men­tion the ’98.5-02 24-valve Cum­mins). Its me­chan­i­cal lift pump only pro­vides 40-45 psi of fuel pres­sure, the injectors flow a measly 95cc, and the turbo runs out of steam in a hurry. The good news is that up­grad­ing all of these com­po­nents won’t force you to close your bank ac­count, and it’s ex­actly what we have in mind for this 22-year-old, 160,000mile ’95 F-350.

Over the course of our two-part se­ries, the first-gen­er­a­tion 7.3L Power Stroke will be graced with an elec­tric fuel sys­tem from Irate Diesel Per­for­mance, a set of hy­brid injectors and 66mm turbo from Un­lim­ited Diesel Per­for­mance, and a Diesel­site Adren­a­line high­pres­sure oil pump—all courtesy of Flynn’s Shop in Alexan­der, Illi­nois. We’ll walk you through the fuel sys­tem and in­jec­tor in­stall this time, and the turbo and high-pres­sure oil pump up­grades will be high­lighted in Part Two. We’ll also be head­ing back to the chas­sis dyno in the sec­ond in­stall­ment, so make sure you tune in next month for the fi­nale.

01 Be­fore any mods took place, we strapped the truck to the rollers at Tri County Diesel in God­frey, Illi­nois. While aboard the com­pany’s Mus­tang chas­sis dyno, we ran the old Ford (which is equipped with the ZF-5 man­ual trans­mis­sion) in fourth gear and...

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