The Shelby Mustang is a higher performance variant of the Ford Mustang which was built by Shelby American from 1965 through 1967, and Shelby Automotive from 1968 through 1970. Following the introduction of the fifth generation Ford Mustang, the Shelby nameplate was revived in 2007 for new high performance versions of the Mustang.
First unveiled at the Los Angeles Auto Show in November 2011, the 2013 Ford Shelby GT500 is the most potent Mustang ever. The 354.6 cubic inches (5.811 l) supercharged V8 engine produces 662 bhp and 631 lb-ft of torque, with a claimed top speed of 202 miles per hour (325 km/h). The new GT500 weighs 3,850 pounds (1,750 kg).
The 2013 models have various improvements and differences compared to the GT500 of 2012, including new front end sheet metal along with standard HID headlamps, and a new LED tail light assembly. The new Shelby GT500 also has no grill, due to the massive amount of cooling required for the vehicle. Performance changes include twin fuel pumps, larger fuel injectors, a grippier and larger-diameter clutch, a larger fan, a three-row intercooler, a beefed-up Tremec 6060 six-speed with an internal oil pump, and a single-piece carbon-fiber driveshaft. Larger Brembo front disc brakes with six-piston calipers, reinforced axle tubes, and aero tweaks help the car reach 200+mph safely. Ford says the changes have resulted in a 14-percent reduction in drag and a 66-percent increase in front-end downforce. Also new for 2013 is a larger front anti-roll bar and retuned springs. An rpm-adjustable electronic launch-control function is standard, as is four-mode electronic stability control.
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