For nine years, Diesel Power magazine has run the Diesel Power Challenge, this year's grindfest being "a week-long torture test that features seven events, nine trucks, 8,000 horsepower, and nearly 15,000 pound-feet of torque." The road to being crowned "the most powerful truck" starts with a dyno run, and then continues through the completion of a CDL-style obstacle course, an eighth-of-a-mile drag race while towing a 10,000-pound trailer, a quarter-mile drag race without a trailer, a fuel econ
There are more land speed record categories than we care to count, but the minds at Diesel Power recently tackled one of the more interesting and obscure titles in the realm: the record for the fastest vehicle towing a trailer. That meant the team would need to exceed the 139.11 mph barrier set by the previous record holder. To do that, they whipped up a GMC 2500 HD with over 1,000 horsepower and a two-stage nitrous set up. The trailer itself also required a bit of tweaking, and the crew ditched
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