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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!"

Shelby Baja 700 takes Ford F-150 SVT Raptor to the next level

The Ford F-150 SVT Raptor can be called many things, but "underpowered" is not one of them. Still, that's never going to deter a company like Shelby from taking the off-road monster even further. Pictured here is the Baja 700, an even more extreme take on the Blue Oval's outgoing performance off-roader. The legendary Ford tuner has fitted it with a new supercharger, throttle body, injectors, heat exchanger and Borla exhaust, boosting output to over 700 horsepower. Of course Carroll's boys didn't stop there, thoroughly reworking the suspension with 3-inch King coilovers, bypass rear shocks, Rogue Racing upper and lower control arms and more, fitted to 18-inch matte black wheels with BFGoodrich K02 off-road rubber. Naturally, it's got the requisite graphics and badging to go with it all, along with a skid plate and a reworked interior by Katzkin and a three-gauge dashboard pod. Only 50 examples will be made, each priced at $45,000 – over and above the price of the base vehicle, which sells for about the same. So you're looking at a good $90k for this monster truck, before auxiliary lighting and other options are taken into account. Related Video:

Ford Mustang GT350 drops some camo

Now that we've poured over the 2015 Ford Mustang in its standard form, it's time to look ahead. We already knew (and heard - literally) that Ford was working on a higher-performance version of its 'Stang to replace the Shelby GT500, and earlier reports have stated that it will simply be called the GT350.
We don't have a ton of detail to go on, but this latest set of spy photos clearly shows a hood-mounted air scoop, which suggests a forced-induction powerplant is under the hood. However, this disagrees with earlier reports that the GT350 will be all motor, using a naturally aspirated engine to send massive horsepower to the rear wheels. Our spies also point out the functional vent aft of the front wheels to allow for better airflow, and the massive quad exhaust pipes can be seen, clear as day.
Expect to see the Mustang GT350 in April, when it debuts at the New York Auto Show in conjunction with the Pony's 50th anniversary. In the meantime, have a look at our gallery above to see the latest shots of the hot Mustang out testing.