Ratrod 1917 Foed Model T "c" Cab Tow Truck 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 Shelby GT350 Mustang is a track-day weapon with 500 hp

Ford promises more than 500 horsepower and a torque peak above 400 lb-ft.
The wait is finally over. After months of spy shots, rumor and innuendo, Ford has officially pulled the wraps off its new Shelby GT350. Judging by the spec sheet and the promises being made - especially that the Shelby GT350 will be "an all-day track car that's also street legal" - the wait appears to have been worth it.

Project Ugly Horse: Part V

The Slippery Slope
I've had a healthy appreciation for cars that stop since one truly unfortunate incident with a runaway 1971 Lincoln Continental.
It's funny how quickly a party can turn from, "We're all having blast" to "What happened to the front of the house, and how many stitches do you think this is going to take?" Standing in a Mustang salvage shop in Kodak, Tennessee, I couldn't help but feel I had strayed into the latter territory with Ugly Horse. There was a supercharged 5.4-liter V8 plucked from a rear-ended Cobra sitting off to my left. The shelves were lined with second-hand Roush and SVT components galore, but I couldn't stop staring at a set of rotors with the approximate diameter of my chest.