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Ford EcoBoost V6 hits the dyno before hitting the track

Ford Racing just unveiled the Riley Daytona Prototype that will make its racing in the United SportsCar Racing Championship Rolex 24 at Daytona in January, and now it has released a video showing development of twin-turbo 3.5-liter EcoBoost V6 that powers the car. Using the same block and heads that can be found on a production Ford Taurus SHO, this new racecar benefits from the collaboration between Ford Racing and Ford powertrain engineers.
While we still don't know what kind of power this engine is putting out, it has definitely gotten a workout at Ford's 17G dyno. This area deep within Ford allows the automaker's racing program to work hand-in-hand with production engine programs, which can be a benefit to racing operations and production cars alike. Scroll down to hear a few people from Ford talk about the crosspollination between its racing and engine teams and watch the EcoBoost get red hot on the dyno.

Amelia Island 2013: 50 years of the Ferrari-slaying Ford GT40

Originally developed with the sole purpose of being a Ferrari rival to compete at the 24 Hours of Le Mans, the Ford GT40 became a prominent racing machine in the 1960s in both Europe and the US. Not wanting to leave such an important car out of the fun, the 2013 Amelia Island Concours d'Elegance also took time out from its other celebrations to recognize the 50-year anniversary of the GT40.
Over its short lifespan, the GT40 was offered in a handful of configurations, but the classic short-tailed (Mk I and Mk II) bodystyles were well represented... especially in Gulf livery. James Glickenhaus (of Ferrari P4/5 fame) had his bright yellow Mk IV in the field, and there were several others in this bodystyle, including one that has seen plenty of time on the track judging by its chipped-up nose.
As a fitting statement for the car's lengthy racing history, GT40 Chassis Number 1075 won this year's Concours de Sport award. This car took home the checkered flag at Le Mans in 1968 and 1969, and racked up a total of six wins in just 11 races.

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!"