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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 offering factory-backed extended warranty for Chevys, GMCs, Buicks and Cadillacs

Cars are generally more reliable than ever before. When things do go wrong, every automaker offers some form of factory warranty (in most cases at least three years and 36,000 miles, though many extend even longer), providing peace of mind to new-car buyers that many faults will be fixed at no charge to the customer. Starting today, GM is offering a new optional plan that will extend the factory warranty on all new Chevy, GMC, Buick and Cadillac products. In the past, extended warranties have been offered as dealer add-ons, with all profits from these sales going to the dealership. GM's new program can be viewed as another nail in the the looming dealership-model coffin. According to Automotive News, some dealers aren't happy to see GM cut into their business like this, saying that it helps GM far more than it does dealers. GM says the new program will help keep customers in the GM family. Customers are also more likely to visit a GM service center rather than going to an independent repair shop. Currently, new Chevy and GMC vehicles come with three-year/36,000-mile warranties. Buicks and Cadillacs are covered for 4 years or 50,000 miles. The new program extends Chevy and GMC warranties to five years or 60,000 miles. Buick and Cadillac warranties extend to six years or 70,000 miles. GM, citing IHS Markit, says most owners keep new cars for about 6.8 years, so these warranties will cover most of the length of their ownership. The extended warranty will add between $1,000 and $2,000 to the price of a vehicle, and the additional cost can be rolled into the vehicle's purchase or lease price. Unlike many dealer extensions, the factory program covers the vehicle no matter who owns it. That should help increase the car's resale value if it's sold within the covered timeframe. GM says there's no deductible and no need to file a claim form when getting warranty repairs. Additionally, dealerships can continue to sell their own extended warranties or service contracts. Related Video:

GM's Oshawa plant may close after Camaro production moves

Most of the time, when vehicle production is moved from one assembly plant to another, it spells bad news for the former. While General Motors won't go so far as to say its Oshawa, Ontario factory, which is losing the Chevrolet Camaro to the Lansing Grand River plant, is in trouble, analysts seem to think the factory's days are numbered. Forecasts for the facility are far from positive. The loss of the Camaro this year, combined with GM's targeted shutdown of a single-shift assembly line responsible for the fleet-only Chevy Impala Limited and the Equinox crossover is a bad enough omen. But with AutoForecast Solutions CEO Joe McCabe telling The Detroit News that the plant's other two products, the Cadillac XTS and Buick Regal, aren't likely to stick around beyond 2017, things look decidedly grim at Oshawa. "There is a fairly strong chance that the plant could close," Jeff Schuster, senior VP of forecasting for LMC Automotive, told The Detroit News. That doesn't mean that Unifor, Canada's auto union, and the Canadian government are going to let the factory die without a fight. And with the latter chipping in $10 billion as part of GM's 2009 bailout, you might think it has a degree of leverage in the situation. A meeting between the government and the Detroit Three at the 2015 North American International Auto Show revealed that Oshawa is already a topic of conversation. "We made it very clear that we would like to see an indication on the future of Oshawa sooner, in particular because the timing is very challenging for our supply chain to be able to adjust to potentially future orders or changes, but also to know that there are going to be future opportunities at Oshawa," Ontario's Minister of Economic, Development, Employment and Infrastructure Brad Duguid told The Detroit News. "Bottom line: It's time they made a longer-term commitment here," Unifor President Jerry Dias said, echoing Duguid's statements. It's unclear if this sort of strong talk will be enough to save 3,300-plus employees, although based on the analysts' forecasts, we doubt it.