TUNE ONLY

HOW MUCH POWER FROM A STOCK TRUCK?

Diesel World - - Contents - BY MIKE MCGLOTHLIN PHO­TOS BY MIKE MCGLOTHLIN, ELITE DIESEL EN­GI­NEER­ING, ILLINI OUT­LAW DIESEL & COUR­TESY OF THE MAN­U­FAC­TUR­ERS DIESEL WORLD MAG­A­ZINE AREA DIESEL SER­VICE EDGE PROD­UCTS EFI LIVE GDP TUN­ING POWER HUN­GRY PER­FOR­MANCE SCT TS PER­FOR­MANCE HYPERTECH

How much horsepower can my truck make with a pro­gram­mer? It’s a ques­tion we get a lot. And—as you can imag­ine—it isn’t the eas­i­est one to an­swer. Truth be told, the real ques­tion is: How much power can I squeeze out of my stock in­jec­tors, turbo and trans­mis­sion? Be­ing that more than 80 per­cent of all diesel own­ers call it quits af­ter in­stalling a cold-air in­take, ex­haust sys­tem and tun­ing, this is an area that def­i­nitely ap­peals to the masses. Com­piled from our years cov­er­ing dyno events, at­tend­ing pri­vate dyno ses­sions and test­ing parts on our own project ve­hi­cles, we’ve bro­ken down the max­i­mum rear-wheel horsepower each brand is ca­pa­ble of pro­duc­ing when a tuner is used as the sole power-adder.

And be­cause we’re of­ten asked who makes the best tun­ing for a spe­cific make and model, be it Ford, Ram or GM (Power Stroke, Cum­mins or Du­ra­max), we’ve in­cluded the type of de­vice and soft­ware we tested that al­low the num­bers listed here to be achieved. As you pe­ruse our com­pre­hen­sive list, keep in mind that ev­ery truck is dif­fer­ent. Some sim­ply run bet­ter than oth­ers. For ex­am­ple, we’ve seen a 20hp dif­fer­ence be­tween two (pre­sum­ably healthy) LBZ Du­ra­max en­gines run­ning the same EFI Live tune, on the same dyno, and on the same day. For this very rea­son, a 20-30hp vari­ance is built into each sec­tion be­low. We’ll kick things off with the ’94.5-17 Power Strokes, then shift to the ’98.5-17 Cum­mins, and con­clude with the ’01-18 Du­ra­max-pow­ered GMS.

ADRENALINE TRUCK PER­FOR­MANCE

208.685.1000 Atp­trucks.com

800.637.2658 Aread­ieselser­vice.com

888.360.3343 Edge­prod­ucts.com

Efil­ive.com Gdp­tun­ing.com 503.908.7783 Mad­s­e­lec­tron­ics.com 678.890.1110 Pow­er­hun­gryper­for­mance.com

407.774.2447 Sct­flash.com

270.746.9999 Tsper­for­mance.com

Hypertech-inc.com

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