2005 Limited Used 6.8l V10 20v Automatic 4wd Suv 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!"

Ford auctioning off F-35-themed 2015 Mustang for charity

Ford's been a supporter of EAA AirVenture, a huge, annual air show held in Oshkosh, WI, for several years now, with one of its most notable contributions being a modified Ford Mustang, designed to look like one of America's great fighting aircraft. There was an SR-71 Mustang, based on the legendary spy plane, a Red Tails edition, which honored the ground-breaking Tuskegee Airmen of World War II, as well as Blue Angels and Thunderbird Mustangs, based on America's two great military aerial demonstration teams.
Each car is auctioned off, with all proceeds going to the EAA Young Eagles program, which introduces kids to the joy of flight. For the 2014 AirVenture, which runs from July 28 to August 3, the one-off pony car is based on the new-for-2015 Mustang, and America's latest fighting aircraft - the controversial F-35 Lightning II.
The unique Mustang sports titanium paint scheme, with both glossy and matte sections, as well as yellow-and-blue trim and decal elements inspired by CF-1, the first F-35 test plane. A carbon-fiber front splitter and rear diffuser add some visual eye candy, while the interior boasts a set of Recaro seats. Ford also opted to fit unique wheels and a brawnier rear spoiler, to tie everything together.

The 11 most expensive American cars ever

Here's a Pro Tip for all you would-be classic car investors out there: buy Ferraris. With the Pebble Beach festivities kicking off this week, including any number high end car auctions, we thought it would be entertaining to compile a list of some to the most expensive cars ever sold with the bang of a gavel. Trouble is, once you get past the splendor of everyone's favorite Italian sports car maker, that list is pretty boring.
Ferrari dominates the all-time auction sales list; seven of the top ten most expensive cars sold wear the Cavallino Rampante badge, as well as more than half of the top fifty. Sure, a nearly $30-million Mercedes-Benz W196 racecar might be the new top dog as of last year, but it's even possible that Ferrari could take that title back in Monterey this weekend. Long story short: we think a list of the most expensive American cars ever sold at auction is a lot more entertaining to read. Hell, our list has a friggin' Batmobile on it, how can it go wrong?
Follow on below for the top ten cars that are red, white, blue and a whole lot of green.