2003 Dodge Ram 2500 Laramie 4wd Cumminsturbodiesel Magnaflow Towpkg on 2040-cars

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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!"

Jay Leno gets his denim mitts on Dodge's new Challenger Hellcat

The 2015 Dodge Challenger SRT Hellcat is definitely the performance car of the moment. The fact that in the near future, people will be able to buy a 707-horsepower muscle machine straight from a major automaker for $59,995 and with a factory warranty almost seems absurd. We drove it recently and found the Hellcat to be just as much of a beast as its numbers would suggest. Now, it's a certain comedian's turn behind the wheel in the latest episode of Jay Leno's Garage.
This week's guest is Dodge President and CEO Tim Kuniskis, and he's there to drop all sorts of interesting factoids about the Hellcat. For example, its Pirelli P Zero tires retail at around $300 each, he says. That makes its smoky burnouts a rather expensive proposition. Kuniskis, who recently hinted at a mystery Woodward Dream Cruise debut, also talks about the genesis of the 2015 SRT project with a goal to get over some of the standard Challenger's weight and size disadvantages. The fix is a supercharged V8, massive brakes and other goodies to smooth over the platform's more glaring shortcomings.
Leno appears to get a big kick out of the Hellcat. However, he can't seem to stop bringing up his desire to drive one with a six-speed manual. They obviously exist, but Kuniskis has an eight-speed automatic for the retired Tonight Show host to try out. Of course, as with any Hellcat video, there has to be at least one burnout. Despite the expensive tires, it seems like enthusiast's law at this point - and dear ol' Jay wouldn't want to break any rules, would he?

Chrysler readying Hellcat V8 with Viper-like power

A monstrous supercharged V8 engine could be in store for Chrysler and SRT products, if recent rumors are to be believed. Allpar is reporting that the forced-induction V8 - Chrysler's first, if this goes down - could make its debut this summer.
The story goes that the Hellcat would be based on a 6.2-liter Hemi engine, rather than on the existing 5.7- or 6.4-liter versions of the company's vaunted mill. In any case, the general consensus is that the motor will have gobs of power. Modest estimates call for between 500 to 570 horsepower, with some outliers predicting a figure as high as 600 hp. That figure would put the output would place the Hellcat awfully close to that of the 640-hp V10 in the SRT Viper, too. Allpar contends that a slightly lower powered version would allow Chrysler to keep costs below that of the more powerful Ford Shelby GT500, which might be a sweet spot.
The Hellcat could debut in a number of SRT products. SRT versions of the Charger, Challenger and 300 are all up for grabs, as is the rumored SRT Barracuda.