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2015 Dodge Viper getting small increase in power

The Viper is used to being the most powerful car in the Dodge and SRT stables, but the arrival of the 2015 Dodge Challenger SRT Hellcat means that's no longer the case. The serpentine supercar is, however, reportedly getting a small boost in output for 2015, amounting to all of five horsepower.
The increase was uncovered by Road & Track courtesy of the SAE J1349 certification process to which Detroit's Big Three automakers submit themselves and which reports the Viper's output at 645 hp instead of the 640 it was rated at until now. There are a hundred factors that could have contributed to the relatively mild boost in output (best guess? nothing at all changed...), but we doubt anyone's going to complain about some extra horses under the hood.
The five-horsepower boost brings the Viper that much closer to the 650-hp Chevy Corvette Z06, not to mention the 707-hp Hellcat, but the Viper's impressive power-to-weight ratio ought to mean it'll have little problem keeping up in a straight line - which is just one of the reasons why Chrysler won't shoe-horn the Hellcat into the Viper: as R&T points out, the supercharged engine is too heavy and the blower makes it too tall to fit in the Viper's engine bay.

The Dodge Demon is leaked in Fast 8 video with Vin Diesel

It's only week two of the twelve-part Dodge Demon teaser roll out, and it already appears the metaphorical Hellcat is out of the bag. A YouTube video featuring Vin Diesel discussing The Fate of the Furious ( Fast 8) has what are almost certainly two Dodge Challenger Demons parked right in the background. So much for three months worth of build up and mystique. The two cars in the video appear to have the new logo affixed to the fender, right where the current Hellcat logo resides. In addition, the wheels and the massive hood scoop both appear to be the same relative shape as the ones briefly flashed in the latest teaser video. While we can't be 100 percent certain this is really a Demon, all the evidence points to yes. Even if this spoiled Dodge's plans, actually seeing the car here makes us even more excited for the full reveal. We still don't know all the final specs, save that it'll be 200 lbs lighter, so there is still some mystery to be had. The Challenger and Charger Hellcat twins, some of the most brazen and brutish machines currently on the road, were already cranked up to 11. The Demon, with its wide fender flares and comically large hood scoop looks makes the standard car look tame by comparison. We can't wait. Related Video: News Source: YouTube Design/Style Dodge Coupe Performance dodge demon Vin Diesel dodge hellcat dodge challenger hellcat

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!"