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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 issues stop-sale for 3 SUVs over incorrect MPG rating

This week, GM sent a memo to Chevy, GMC, and Buick dealers to tell them to stop selling three SUVS. The 2016 Chevy Traverse, the GMC Acadia, and the Buick Enclave all have EPA window stickers that show higher fuel economy ratings than the vehicles actually have. Unlike other recent – and very public – fuel economy ratings problems from VW and Mitsubishi, it doesn't seem like GM did anything wrong with the testing for these vehicles, it just misprinted the labels. New labels are being printed and should arrive at dealerships this weekend and early next week. After that, the SUVs will be able to be sold and delivered again. The official fuel economy rating for the three SUVs are all the same. The correct numbers for the all-wheel drive versions are 17 miles per gallon combined, 15 city, and 22 highway. The stickers say the SUVs get 17/24/19. The front-wheel driver models were also incorrectly labeled, and the total number of affected vehicles is 59,823. In the memo, GM said the problem was caused by an "inadvertent error," Automotive News says. GM is working with the EPA to solve the issue. We have asked GM for a comment on the mistake and will update this post if we hear back. Related Gallery 2013 GMC Acadia View 16 Photos News Source: Automotive News – sub. req. Government/Legal Green Buick Chevrolet GM GMC Fuel Efficiency mpg gmc acadia chevy traverse

How a Texas Hyundai dealer became the Chevy SSR king

The SSR isn't one of the most appreciated vehicles in Chevy's long history. With a style amalgamating the look of a vintage hotrod, convertible and a pickup, it's really serving a niche market right from the start. However, a Hyundai dealer in Texas has turned selling the cult models into a booming business and has become the de facto king of the quirky truck. According to Automotive News, Paul Peebles runs North Freeway Hyundai in Spring, TX, but he's better known in the Chevy SSR community the premiere seller of the weird model through his used car network. The odd venture started in 2010 when Peebles wanted to boost his pre-owned business and bought several sporty vehicles. Among them were five SSRs, and he threw a cookout for owners to get the word out. Things just ballooned from there. Since then, Peebles' used car dealer has had a hand in 447 SSR transactions, and some of those are the same truck coming back to sell again. With just over 24,000 of them out there, that works about to two percent of the model's production moving through just one business. The dealership also sponsors an SSR owners' forum online. Being a major broker for a niche model also means that Peebles often gets rare examples of the SSR, including some of the Indianapolis 500 pace car versions, according to Automotive News. We even saw a bizarre one last year when the business put this shark-inspired truck on eBay Motors. The whole thing also works out well for Peebles' Hyundai business. Specializing in SSRs brings other performance models in as trade-ins, and they can draw folks to the lot to check out the collection. Then, maybe visitors can take a look at a Sonata, too.