1993 Ford Mustang Gt Convertible 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!"

NHTSA closes Ford F-150 EcoBoost acceleration probe

Typically when we report on the findings of an investigation from the National Highway Traffic Safety Administration, it's because the government body has discovered a safety issue and prescribed a recall. In this case, however, NHTSA has closed an investigation into a reported performance deficit without ever getting to the recall stage.
The issue revolves around the Ford F-150 - specifically those equipped with the 3.5-liter EcoBoost engine - of which some 360,000 were built in the 2011, 2012 and 2013 model years. After receiving an initial 95 complaints, NHTSA opened an investigation last May - almost a year ago - into the reported issue of reduced engine power under hard acceleration. The agency has since received a total of 525 such complaints, and Ford itself reported receiving over 4,000.
Together, NHTSA and Ford determined that the problem resulted from cylinders misfiring, an issue itself stemming from water getting into the charge air cooler (CAC) mated to the turbochargers. In particularly humid or rainy conditions, water was found to get into the CAC, causing some of the cylinders to misfire, which in turn triggered the ECU to disable those cylinders in order to protect the catalytic converter from damage.

2014 Holman & Moody 50th Anniversary TdF Ford Mustang

If you're a fan of Ford racing history, a Mustang worshiper or even just an avid follower of our yearly SEMA coverage, you may have heard the back story on the Race Red Mustang you see above. Back in 1964, Holman & Moody was tapped by the English Alan Mann Racing Team to race-prep three Mustangs for competition in the incredibly arduous 4,000-mile Tour de France Automobile rally. Competing mainly against Jaguar MkII saloons over 10 days and 17 stages, the H&M Mustangs took the top two places in the Touring class and the first-ever racing win for Ford's pony car.
Though the history of that first Mustang win hasn't been incredibly well known here in the States, the subsequent decades have seen plenty of racy versions of the car come and go. Last year at the SEMA show, we covered the brief debut of this living tribute to that piece of racing lore, the Holman & Moody 50th Anniversary TdF Mustang.
This limited-edition Mustang represents a kind of new venture for H&M, as the legendary racing shop has spent the last few decades earning its keep largely by restoring vintage racing cars. The urge to get back into the world of Ford and Mustang was powerful, however, what with the car's 50th anniversary looming and the current generation of 'Stang just about out the door.