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Diesel Power finds the ultimate modified oil-burner

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 economy test in the mountains and finally a sled-pulling test through a 300-foot-long packed-mud pit.
What kind of trucks get into such a fight? Last year's winner, for instance - who upgraded his truck this year to prove he didn't "luck into the win" - drives a 2008 Ford F-250 Super Duty with a 6.4-liter Power Stroke V8 upgraded with a custom intake, Elite Diesel triple turbos and a two-stage nitrous system. Another competitor has a 2005 Dodge Ram 2500 powered by a 5.9-liter Cummins inline-six, upgraded with Garrett turbos, dual-stage nitrous, a seven-inch exhaust stack and twin fans built into the bed to cool the Sun Coast Omega transmission. The numbers on that truck: 1,255 horsepower, and 2,063 pound-feet of torque at the wheels. Naturally, as the image above might suggest, things don't always end well.
You'll find all five videos covering this years challenge below. A scene in the dyno video sums it all up perfectly: a competitor leaves his nitrous on too long and the crew is treated to some ominous poppings, he leans out the window, throws both hands up and shouts, "Amer'ca!"

GM takes heat for aborted Silverado riff on 'Boston Strong' at World Series

During game five of the World Series, Chevrolet was set to do a spot of marketing for the 2014 Silverado - fans at Busch Stadium in St. Louis would hold up placards that spelled out the words "Silverado Strong," a theme that Chevy has been promoting since the Silverado's launch with the song "Strong," by Will Hoge. The St. Louis promo was ultimately called off, though, over concerns that it'd be insensitive to the visiting Boston Red Sox. (You can see the image of what the stunt would have looked like above, courtesy of one timely Reddit user.)
Now, the Busch Stadium stunt might not have been a big deal, had the St. Louis Cardinals not been playing the Boston Red Sox. Following the tragic events in Boston during the marathon back in April, the phrase "Boston Strong" gained traction among the city's citizens, especially at sporting events. So, you can imagine that Chevy's appropriation of the phrase might not sit well with some fans.
The stunt was ultimately shelved after images of the signs went viral before the game, leading to a bit of a public backlash. Chevy spokesperson Michael Albano said of the promo that it was meant to show the brand's "commitment to baseball and its fans." But after the images went viral, the company "realized there was the possibility that we may offend some of the very fans we were trying to honor," Albano told Automotive News via email.

GM 6.2L V8 claims most powerful light-duty truck engine title

General Motors has officially captured the horsepower crown for mainstream pickup trucks with its 6.2-liter V8. The big mill, available in both the Chevrolet Silverado and GMC Sierra, comes to market with 420 horsepower and 460 pound-feet of torque, handily outdoing its two cross-town competitors, Ram (5.7-liter V8, 395 ponies and 407 lb-ft) and Ford (6.2-liter V8, 411 hp and 434 lb-ft).
The new GM 6.2 will take a bit of an investment, though. Those that want the extra thrust will need to go with either the LTZ or High Country trims from the Chevy, or the SLT and Denali trims from GMC, which are the two highest trim levels for the respective vehicles. Trim levels aside, if you're in the business of towing, GM has you covered. Optioned with the 6.2-liter V8 and the Max Trailering Package, owners will be able to pull 12,000 pounds, a hugely impressive figure.
We still aren't certain as to what sort of economy the new engine will get, but it'll probably be a bad bet for the fuel conscious. As for availability, expect to see the 6.2-liter trucks in showrooms later in the fall.