Diesel World - - Feature 2011 Chevy Silverado 2500hd - BY JA­SON SANDS

Alot of peo­ple buy diesel trucks know­ing that they’re go­ing to load them up with af­ter­mar­ket parts as soon as they leave the lot. Look­ing at Daniel Dil­lon’s out­ra­geously pow­er­ful Duramax, which has put down 942 rear-wheel horse­power and 1,858 lb-ft of torque, we fig­ured he was one of those all-out kinds of guys. But that wasn’t ac­tu­ally the case. A cou­ple years ago Dil­lon or­dered a brand-new Duramax straight from the dealer with the in­tent of leav­ing it alone and us­ing it as a nor­mal work truck.

In De­cem­ber 2012, af­ter find­ing the ex­act Lml-pow­ered Duramax that he wanted at a deal­er­ship in north­west­ern Illi­nois, he jumped in with a buddy to go pick up his new ride. “I found my­self go­ing home empty-handed,” he says. When Dil­lon showed up at the deal­er­ship to pick up the nearly new truck, he found out that it had thrown a check en­gine light for low DEF and couldn’t even be driven. “The deal­er­ship re­placed the sen­sor and de­liv­ered it to me the next day,” he adds. “But by then I was al­ready on­line look­ing.”

Ad­dicted to Mod­i­fy­ing

Since Dil­lon had ex­pe­ri­enced emis­sions grem­lins ear­lier than most own­ers (in fact, be­fore he owned the truck), he scoured the In­ter­net high and low for parts that would make his truck stronger, faster and more re­li­able. Within weeks the 2011 had an H&S Mini Maxx, an MBRP 5-inch ex­haust and an all-im­por­tant FASS 150 lift pump.

“I was happy with it for a while, but the more I drove it, the more I wanted it to go even faster,” Dil­lon ad­mits. He was on the prowl for even more power and soon had an up­graded trans­mis­sion, along with a Borg­warner 75mm S400 out in front of the stock turbo. Since the truck was pulling plenty of air he also put on dual CP3S to keep up with the fuel de­mand, run­ning on what he calls a “risky 3,000 pulse width tune.” Dil­lon put a cou­ple thou­sand miles more on his truck be­fore he de­cided to go with a full build.

“I no­ticed that Wehrli Cus­tom Fab­ri­ca­tion was in­tro­duc­ing some pretty cool parts for the LML plat­form, so I de­cided to give them

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