Meet the World’s Nastiest GMC Sierra Denali

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Written by Patrick Rall
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The folks at Late Model Racecraft are well-known for their high performance aftermarket packages for GM vehicles but this GMC Sierra Denali might be the most impressive. If nothing else, it is the most impressive newer Sierra we have ever seen, packing an incredible 1,323 rear wheel horsepower, while looking like your average half-ton luxury truck. Fortunately, the sound of the boosted V8 gives it away, but this is one stunning sleeper.The LMR DenaliAt rest, the truck in the video from the Late Model Racecraft YouTube channel likely looks like a late model GMC Sierra Denali with some custom wheels, but under the hood is one of the sickest truck engines we have seen on a modern pickup.Sadly, we do not have specifics and Late Model Racecraft only goes up to 1,000-horsepower packages on their website, so we don"t know what went into this build. We know that it has a couple turbochargers that are probably pretty huge and we believe that this Sierra has some variation of the new LT1 engine architecture. It could be a worked version of the factory-equipped L86 or it could have received an LT1, but in any case, it is making insane power with a big boost setup.Street PullsThe video begins with a few clips of the GMC Sierra Denali pickup making rolling pulls on the open road. At first, the truck starts at roughly 13 miles per hour and accelerates hard to about 141 miles per hour. It takes the big, boosted GMC pickup about 13 seconds to climb 128 miles per hour; something that many performance cars cannot do.Next, the driver starts at 45 miles per hour and hammers down, climbing to 134 miles per hour in just nine seconds. In other words, it picked up 90 miles per hour in just nine seconds. We also get to see the truck smoke the rear tires at a high-speed roll from a rear-facing view, before we head off to the dyno_On the RollersThe video ends with several clips of the turbocharged GMC Sierra Denali stretching its legs on the dyno. On the street pulls, the truck was "only" around 900 rear wheel horsepower, but for the dyno runs, they let it all hang out.On these runs, the monstrous GMC pickup laid down 1,323 horsepower and 1,219 lb-ft of torque, making it the most powerful late model Sierra we have seen.Crank up your speakers and enjoy!Join the LS1tech forums today!Tags: GMC, L86, LT1, Sierra, Video

Date written: September 20, 2018

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