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Photo 2/68 | 001 Chevy Silverado 5 Year | This is Roger Motichka’s ’05 Chevrolet Silverado 2500HD in its natural environment, chewing up pavement. Over the last half decade, the truck has been transformed from a relatively stock Silverado into a 12-second, quarter-mile terror.
Photo 3/68 | 011 Chevy Silverado 5 Year | The heart of this red missile is a 6.6L Duramax LLY V-8. The engine has stock internals, but externally it is very different than it was in 2005. Considering it uses a Garrett 4094 turbocharger that feeds a BorgWarner S480 unit and has twin CP3 fuel pumps to fuel the fire, you can see where the power comes from!
Photo 4/68 | 002 Chevy Silverado 5 Year | This definitely isn’t the stance of a rockcrawler or a mud bogger. It’s the aggressive swagger of a truck that’s ready to hook and book down a dragstrip. CalTracs traction bars—as well as a 2-inch suspension drop—help the tires bite.
Photo 5/68 | 003 Chevy Silverado 5 Year | Roger did not start out with the intention of building a truck that could melt the tires off of the rims, make more than 800 hp and 1,500 lb-ft on the dyno, and grab win lights at the drags, but that’s what he ended up with.
Photo 6/68 | 004 Chevy Silverado 5 Year | Other than the decals on the sides of the bed and the subtle alterations to the factory badging, this truck could pass for a mildly modified Silverado 2500HD. We’re sure more than a few muscle car and modified truck owners have fallen into that trap.
Photo 7/68 | 005 Chevy Silverado 5 Year | When we asked Roger if he would mind doing a burnout for us, we had to talk him into it. As soon as the compound turbochargers began to spool, the smoke started funneling out of the rear wheelwells, and we caught him smiling! The poor 265/70/17 Bridgestone Revo 2 tires did not stand a chance.
Photo 8/68 | 006 Chevy Silverado 5 Year | Like the outside, the interior of the truck remains very true to factory form. This truck was nicely optioned out of the box, which means passengers get to enjoy fast rides in the comfort of leather seats. Auto Meter and Isspro gauges were added to the A-pillar and inside a custom panel in the center of the dash.
Photo 9/68 | 007 Chevy Silverado 5 Year | This slick-looking, three-gauge panel is a nice custom addition to the cab, and the instruments within provide additional information regarding the truck’s fuel pressure at the pump and in the actual rail, as well as the exhaust backpressure—critical items to know for an engine designed to work as hard as this one.
Photo 10/68 | 008 Chevy Silverado 5 Year | The big AAM 1150 rear axle is a pretty stout piece as delivered in ’01-to-’10 GM diesel trucks, and the unit in Roger’s rig is mostly still stock. The axles and gears are original items, but the differential is a Detroit Truetrac instead of the factory-installed Gov-Loc. The Mag-Hytec cover provides strength and more lube capacity.
Photo 11/68 | 009 Chevy Silverado 5 Year | Tell any drag racer worth his or her salt that these are the tires that carry a 12-second machine down the strip, and they’d laugh. But that’s the case with Roger’s truck. The Bridgestone Dueler A/T Revo 2 rubber provides the hook necessary for those quick elapsed times.
Photo 12/68 | 010 Chevy Silverado 5 Year | That rather plain-looking round bar is a really important part of making this truck work well on the dragstrip. The CalTracs bars (in basic terms) take the twisting force of the rear axle and use it to the advantage of the chassis. By applying that rotation as lift toward the front of the rig, it helps to plant the rear tires.
Photo 13/68 | 012 Chevy Silverado 5 Year | Things start to get mighty busy under the hood when additional turbos are added to an engine. Roger deleted the truck’s air conditioning when the compounds were installed. As this photo shows, there is a lot going on in the engine bay.