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Shelby GT350R offers first mass-produced carbon fiber wheels

In the world of race engineering, reducing total weight is good, but reducing unsprung weight is flippin' fantastic. That's the reason Ford is pushing the envelope in terms of technology for the Shelby GT350R's wheels. Joining the likes of Koenigsegg in the offering, Ford has teamed with Australian outfit Carbon Revolution to produce the CF rollers en masse for the first time. Destined for the hubs of the new Shelby GT350R, the new hoops weigh just 18 pounds each, versus the 33-lbs weight of a similar aluminum wheel. On top of slashing up to 60 pounds in unsprung weight, there's such a reduction in rotational inertia – 40 percent, versus aluminum wheels – that Ford actually has to recalibrate the magnetic ride control system and springs. Thanks to, we're guessing, scenes of crashed Formula One cars disintegrating and spewing shards of carbon fiber all over the track, Ford seems quite keen to do away with the idea that CF is strong, but brittle. The company conducted extensive shock testing, ramming a wheel into a curb at speed. According to the Blue Oval, the lightweight wheel allowed the suspension to respond so quickly that the impact was "greatly diminished," causing the tester to run the experiment again, thinking there'd been a mistake. After recording brake rotor temperatures of 900 degrees Celsius (over 1,650 degrees Fahrenheit, or well past the point that aluminum or magnesium would melt) during testing, Ford and Carbon Revolution actually redesigned the wheels to "a thermal standard more suitable for motorsports," by adding an "incredibly thin, nearly diamond-hard coating that reliably shields the resin from heat." The same process was used to protect engine turbine blades on the Space Shuttle. While the work by Ford and Carbon Revolution should make GT350R customers excited, the work being done here could have serious implications for performance cars in the future. That's the real takeaway here, and is something that should leave fans of all performance vehicles excited.

2014 Ford Fiesta ST priced from $21,400* [w/poll]

The 2014 model year brings a whole host of changes to Ford's Fiesta B-Segment fighter, the most important of which (to our enthusiast eyes, anyway) is the addition of a potent new ST model. The US-spec hot hatch was first shown at the 2012 Los Angeles Auto Show last November, and thanks to Ford's build-and-price site, we've now learned that the Fiesta ST will slide in at $21,400 when it goes on sale later this year (*not including $795 for destination).
Under the hood of the ST is a turbocharged 1.6-liter EcoBoost inline-four good for 197 horsepower and 214 pound-feet of torque, mated solely to a six-speed manual transmission. Ford hasn't released performance data on its pint-sized puncher just yet, but know that these numbers make the Fiesta ST ever-so-slightly more powerful than the larger Volkswagen GTI while returning an estimated 34 miles per gallon on the highway.
Elsewhere in the lineup, the standard Fiesta also gets a smattering of improvements for the 2014 model year, including a new 1.0-liter three-cylinder turbocharged engine and revised exterior styling. Pricing for the 2014 Fiesta sedan starts at $14,000, with the five-door model adding $600 to that number (again excluding the $795 destination fee).

Road & Track samples rare 1995 Ford Mustang Cobra R

The modern performance variant of the Ford Mustang enjoys a long, illustrious history. While well-known examples like the Boss 302, Shelby GT350, and Shelby GT500 get all the attention, the modern versions of these cars may not have been possible had it not been for the three generations of the Cobra R, sold in 1993, 1995, and 2000. Limited to just 250 examples, the second-generation model wasn't as rare as the Fox-body Cobra R that preceded it, but they were still pricey and difficult to acquire. Customers were required to hold a competition license in order to take delivery, and prices were roughly equivalent to $59,000 in today's money. As Road & Track tells it, neither of those facts were a handicap – Ford sold its entire roster of 1995 Cobra Rs in just five days. RT's Jack Baruth managed to score a drive in an extremely low-mileage example of this now-vintage track star. He delivers an interesting look into the way a performance car from two decades ago behaves in today's world, and finds that despite its age, the 1995 Cobra R is still "a true sweetheart." Check out the full feature over at Road & Track. Related Video: