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Digital Subscriptions > Diesel World > Oct 2019 > JUMPING JACK FLASH

JUMPING JACK FLASH

THE P-PUMPED 7.3L SHAKING THINGS UP IN THE PULLING WORLD

In truck pulling, there is no mistaking the sound of a mechanical V-8 diesel building rpm at the starting line—and there is nothing quite like a P-pumped 7.3L. It’s an engine combination that invokes nostalgia, captivates crowds, and gets Ford fans fired up in a sport that has long been dominated by Cummins and Duramax mills. Since 2003, lifelong Blue Oval loyalist and former DHRA member Ferenc X Vegh Jr. had been dreaming of one day campaigning a P-pumped version of the 7.3L instead of his HEUI-fired ’99 F-350. By 2016, Ferenc’s 16-year-old son Nathan was itching to go truck pulling, and Ferenc began to rekindle the P-pump idea. To make the dream a reality, a new truck had to be built. For that, Ferenc enlisted the same talented mechanic and fabricator responsible for keeping his old 2.8 Ford competitive a decade earlier: Will Hardesty. Working as a team, the trio has pieced together one of the most eyecatching trucks on the current Pro Stock circuit: a ’16 Ford F-350 coined Jumping Jack Flash.

Turnkey 7.3L

With more than a decade worth of testing behind its P-pump 7.3L program, Hypermax Engineering has established itself as the unofficial headquarters for transforming the 444 ci HEUI V-8 into a mechanically injected monster. The company’s rigorously-tested engine package performs just as well in the dirt as it does on the engine dyno—and one drag racing customer has even used one of these mills to carry his Mustang into the 7s. Needless to say, Ferenc, Nathan, and Will knew exactly who to contact for a Power Stroke capable of keeping pace with the fire-breathing Cummins mills they’d be competing against.

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Diesel World October 2019, Winter Takes All, 2019 : The Year Of Carnage, Vintage Refresh : Turning the Clock back on a 600 HP OBS Ford, And More....