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Dodge Challenger SRT Hellcat vs. Chevrolet Camaro ZL1 in latest Head 2 Head

"Olympian" is one of the terms we use to signify the greatest height, the seat of the gods. Yet Mt. Olympus is the second-highest peak in the Balkans ranges, overshadowed by the crest at Musala in Bulgaria's Rila mountains. Both great heights, but one is a little higher. That's how we get the Olympian Chevy Camaro ZL1 pitched at the Musalic Dodge Challenger SRT Hellcat in Motor Trend's latest episode of Head 2 Head. The side-by-side spec sheet is filled with farcical numbers. For the ZL1, that's a 6.2-liter V8 with 580 horsepower, 556 pound-feet of torque, a 4,051-pound curb weight, 0-to-60 miles per hour in 3.9 seconds, a quarter-mile time of 12.2 seconds and a base price of just $57,800. Opposing that, the Hellcat wrings out its 6.2-liter V8 for 707 hp, 650 lb-ft of torque, weighs 4,449 pounds, does the quarter in 11.7 seconds and has a base price of just $60,990. Except in the case of the Hellcat, when Motor Trend put it on the dyno the machine spit out a reading of 672 hp and 606 lb-ft at the wheels. If there's a 10-percent driveline loss through those beefed-up internals and heavy-duty eight-speed transmission, that means the Hellcat is actually rated at about 750 horsepower and 700 lb-ft. But once they get put on a closed-off strip of coast road in Northern California, there are only a few strands of hair between their respective performances. That's not the case for they sensations provide; host Jonny Lieberman calls one of them, "One of the most incredible cars ever made," and says, "It changes everything." Watch the video above to see who got the verdict and how. Related Video:

2013-14 Dodge Viper recalled over faulty door handles

The 2013-14 Dodge Viper is getting a voluntary recall affecting 1,762 cars worldwide to replace their door-handle assemblies. Of the affected vehicles, FCA US reports there are 1,451 in the US, 160 in Canada, 17 in Mexico and 59 of them outside of NAFTA. After receiving three reports of doors either not closing or opening while driving a low speeds, FCA US engineers found a new sealant from a supplier didn't provide sufficient moisture protection to the electronic switches for the door latches. If the parts get wet, this can potentially cause a short circuit. The automaker is quite clear that are no reports of accidents of injuries from this problem. As always, the recall repairs will be done at no cost to owners, and FCA US will be getting in touch with customers soon about the problem. Related Video: Statement: Door-handle Assemblies April 9, 2015 , Auburn Hills, Mich. - FCA US LLC is voluntarily recalling an estimated 1,762 cars globally to replace their door-handle assemblies. FCA US launched an investigation after the Company received three warranty claims linked to doors that failed to close or opened inadvertently while vehicles were moving at low speed. The Company is unaware of any related injuries or accidents. Engineers determined a sealant, newly adopted by a supplier, provided inconsistent moisture protection to the electronic switches that control the door latches. Switches exposed to moisture may short-circuit. Affected are approximately 1,451 model-year 2013-14 Dodge Viper SRT cars in the U.S.; 160 in Canada; 17 in Mexico and 59 outside the NAFTA region. Affected customers will be notified and advised when they may schedule service, which will be performed at no cost. Customers with questions may call the FCA US Customer Information Center at 1-800-853-1403.

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!"