Diesel World – October 2019

(Jacob Rumans) #1
7.3Lprogram,HypermaxEngineeringhasestablisheditself
astheunofficialheadquartersfortransformingthe 444 ci
HEUIV-8intoa mechanicallyinjectedmonster.Thecom-
pany’srigorously-testedenginepackageperformsjustas
wellinthedirtasit doesontheenginedyno—andonedrag
racingcustomerhasevenusedoneofthesemillstocarry
hisMustangintothe7s.Needlesstosay,Ferenc,Nathan,
andWillknewexactlywhotocontactfora PowerStroke
capableofkeepingpacewiththefire-breathingCummins
millsthey’dbecompetingagainst.

WinningInnards
Fromoilpantoturbo,theentireengineis Hypermax.Thisin-
cludesa factory-castblock,thecompany’sbedplate,forged-
steelrodswithfly-cutpistons,andcustomgrindcamshaft.A
setoffactory-based,cast-ironheadsnolongermakeuseof
theHEUIinjectors,butinsteadacceptmechanicalunitsthat
operateaccordingtopop-offpressure.Theheadsalsomake
useofHypermax’striplewireringstosealcombustion,bigger
valves,extensiveportwork,billetrockers,solidlifters,Hi-Rev
valvesprings,andanchortotheblockviaARPheadstuds.

BeinglegalintheProStockclassmeansthatonlya single,smoothboreturbowithaninducernobigger
than3.6-inches(91mm)canfeedtheengine.WiththeHypermax3.6chargeronboard,theenginebeltsout
morethan1,800hp.Here,theenginehasbeenfittedwitha Hypermax4.1-inchcharger(likewhatyou’dfind
ona LimitedProStocktractor).The4.1-inchunitis theturbothatFerenc,Nate,andWillturntowhenthey
competeintheSuperStockclassormakeexhibitionpasses.Rumorhasit thatthisturboadds 25 percent
morepowertotheequation.

Despitethecabbeingguttedandtheflooralmostcompletelygone,Ferencwantedhisyoungdrivertobeascomfortableaspossibleinthecockpit.Turningtothefabricationandchassis
expertsatProformancePros,a driver’spodwasbuilttoNate’sspecifications,andtoppedoffwitha TS-Roff-roadseatfromSimpsonRacingProducts.

Under its detachable steel hood, the Jumping Jack Flash Ford boasts a full-on,
mechanical 7.3L Power Stroke from Hypermax Engineering. While the P-pump at the front
of the valley and the massive turbo at the rear beg for most of the attention, it’s the hard-
parts underneath that allow the engine to survive more than 1,800 hp. A factory-based
crank is anchored in place via a bedplate that ties the mains in with the oil pan rails, solid
forged-steel “beef cake” rods with ARP rod bolts connect to valve-relieved Mahle Motorsport
pistons,anda regrindcam(specificforthisapplication)residesinthestocklocation.

To provide much-needed airflow, the factory 7.3L heads were filled and then opened up
by way of larger valves and some serious porting. A competition-ready valvetrain consists
of Hypermax’s Hi-Rev valve springs, billet rocker arms, chromoly pushrods, and solid lifters.
Triple wire rings in the heads keep cylinder pressure contained, and ARP studs clamp them
to the block. Also notice the polished-aluminum valve covers, the injection lines, and the
custom-fabricatedexhaustmanifolds.

JUMPING JACK FLASH


54 OCTOBER I 2019 • DIESEL WORLD http://www.dieselworldmag.com

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