Zack Moore’s Stock Long-block Pushes the Performance Envelope With 816 Hp and 1,373 Lb-ft of Torque.
IT TAKES A whole lot of know-how to build an 11-second diesel-powered pickup, so we’re always impressed by fully dressed street trucks that cover the quarter-mile that quickly. Zack Moore’s ’11 Chevrolet Silverado 2500HD is definitely one of those rigs, and it’s doing so with a big turbocharger bolted to a stock-long-block 6.6L Duramax LML engine.
Based in Muncie, Indiana, Zack’s rig caught our attention while he was competing in the ATS Diesel Performance/Diesel Power 7.70 Index Class at an Outlaw Diesel Super Series (ODSS) race and driving the truck to eighth-mile e.t.’s that convert to easy 11s in the quarter. “It’s actually on tune 1 out of 5,” Zack says. “The truck’s gone 11.44 at 120 mph before.” For a setup like Zack’s, with an original long-block, the question is: What makes it so fast?
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