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Dodge to reveal Hellcat-powered Challenger in Detroit?

On top of all the other performance car debuts slated for next week's Detroit Auto Show, we might be able to add one more to the list - the new, supercharged Hellcat V8 from Chrysler. According to new reports, the rumored 640-horsepower mill is likely to cross the Motor City stage in the engine bay of a Dodge Challenger.
As AllPar points out, though, there may be more news than just the fire-breathing engine. While we've seen spy photos of the Hellcat testing under the hood of the current Challenger, there's a very fair chance that it won't arrive until the muscle car is refreshed later this year. The question now is whether that refresh will be shown off alongside the new engine in Detroit, or if it'll be saved, perhaps for the New York Auto Show.
Other details dug up by AllPar include potential transmissions for the supercharged engine - the Mopar-minded site is expecting an eight-speed automatic or a Tremec six-speed manual. Prices, meanwhile, could be in the same elevated range as the Chevrolet Camaro Z/28, at $70,000 to $80,000.

2015 Dodge Challenger Drag Pak previewed

Dodge and Mopar have never strayed far from success in drag racing, be it on run-what-you-brung nights at the local strip or at the highest levels of the sport. Hoping to both add to that heritage and capitalize on some of the media spotlight that's shown so brightly on the brand of late, Dodge has given us our first look at the 2015 Mopar Challenger Drag Pak test car.
Though this first iteration doesn't make use of the 707-horsepower Hellcat engine, it seems to be a pretty formidable racing package. Starting with a stock '15 Challenger, Mopar adds a full roll cage built to National Hot Rod Association specs. Rubber front and back is drag racing-ready as well, with 28x4.5-inch tires in the front, and fat 30x9-inch tires out back - all from Hoosier.
Powering the beast is a massive 426-cubic-inch (7.0-liter) Hemi Race V8, with output levels that are still unspecified. A Chrysler 727 automatic transmission connects up to a racing style shift lever, with integral line lock.

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!"