Diesel World – October 2019

A billet-steelflexplateis a must-haveitemforanytruckmaking 550

hpormore.Why?Because 550 hplikelymeans1,000to1,200lb-ft

oftorque—andimmenselow-rpmtorqueis knowntotearthecenter

sectionsoutoffactoryflexplates.

TRANSMISSION

TECH BUILT TRUCK REFRESH

 If you think you can install a built transmission and simply walk away, forget about it.

While a built automatic can last up to a decade, at some point it will be due for more than

just a simple service—especially if you’re using it to compete at the drag strip or hooking

your truck to the sled.

While billet drums, shafts, and bands are unlikely to break, the clutches in an automatic

transmission will always be a wear point. Even minimal slippage is unavoidable in the most

efficient slushboxes in the aftermarket, which is reason enough to pull your transmission

for an occasional refresh. If you’re at the drag strip competing all summer, we’d do an

annual overhaul. If you use your moderately-powered truck for a little bit of everything,

consider doing the same every four or five years. Trust us. If you depend on your truck for

both work and play, don’t wait until the fluid turns dark brown and smells burnt, the shifts

bang, or you get a warning light on the dash. If you put it off until the truck literally can’t

move anymore, the fix is likely going to be expensive.

Aftermorethaneightyearsofharnessing 150 hpmorethanwhatit

wasoriginallybuilttohold,thisE4OD,piecedtogetherbyJohnWood

Automotive,wasduefora newconverterandfreshoverdriveclutches.

Ofcourse,ineightyears’timea lotofadvancementshadbeenmade

fortheE4OD/4R100platform,somanyofthoseupgradesalsomadeit

intothebuildwhenit waspiecedbacktogether.

Anytimeyou’regoingtobeperformingboostedfour-wheeldrive

launchesathigherpowerlevels,doyourselfa favorandoptfora

converterwitha billetstator.Here,you’relookingattheonlybilletstator

onthemarketforFordE4OD/4R100torqueconverters.It residesina

triple-discunitfromJohnWoodAutomotivethatwasCNC-machinedby

SunCoastPerformance.

Anaftermarketconverterdesignedtohandlebigtorqueshouldhave

a forged-orbillet-steelfrontcoverandfurnace-brazedinternalsfor

optimumstrength,a truetriple-discclutchwitha qualityfrictionmaterial

properlybondedtoeachdisc,anda billetclutchpiston.Asmentioned,a

billetstatoris a wisedecisionforcompetitionuse,butit shouldalsobe

consideredinhigh-horsepowertrucksthattow.

SOURCE

DIRTY HOOKER DIESEL

989.479.0444

DIRTYHOOKERDIESEL.COM

DYNOMITE DIESEL PRODUCTS

208.209.3214

DYNOMITEDIESEL.COM

JOHN WOOD AUTOMOTIVE

760.554.7517

JWTT.COM

RCD PERFORMANCE

309.822.0600

RCDPERFORMANCE.COM

SSBC PERFORMANCE BRAKE

SYSTEMS

800.448.7722

SSBRAKES.COM

SUN COAST PERFORMANCE

800.868.0053

SUNCOASTDIESEL.COM

UNLIMITED DIESEL

PERFORMANCE

740.569.1319

UNLIMITEDDIESEL.COM

WILWOOD ENGINEERING

805.388.1188

WILWOOD.COM

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