On 13 September 2007 Shelby Supercars (SSC), manufacturer of the 1183 hp ultra high-performance Ultimate Aero Twin Turbo, set the new “World’s Fastest Production Car” record with an average top speed of 255.83 mph in West Richland, Washington. The attempt was in accordance with the strict guidelines set by Guinness World Records. Other requirements are the vehicle must drive down the course, turn around, and make a second pass in the opposite direction within one hour in order to meet Guinness’ approval.
To rule out any favorable road or weather conditions, the “top speed” is calculated by averaging the top speeds of each pass. The SSC Ultimate Aero clocked a top speed of 257.11 mph (413.83 kph) on its first pass and 254.55 mph (409.71 kph) on its return pass, yielding a new top speed record of 255.83 mph (411.76 kph) on a temporarily-closed 2 lane stretch of public highway in Washington State.
The data, collected by Dewetron’s GPS tracking system collected the data and will be verified by Guinness before the Ultimate Aero is officially crowned the “World’s Fastest Production Car.” This breaks the current official record held by the Koenigsegg CCR at 242 mph by 11.83 mph and the Bugatti Veyron’s unofficial speed of 253 mph by 3.11 mph.
Shelby Supercars also applying another Guinness World Record for producing more emissions-legal horsepower than any other production automobile in the world from the 1183 bhp and 1094 ft-lbs of torque twin-turbo V8 SSC Ultimate Aero. The Ultimate Aero remains drivable even though being designed to run at redline for extended periods of time.
Thanks to a drag coefficient of just .357, wind tunnel testing calculates the vehicle to be aerodynamically stable to speeds up to 273 mph and it could also retain excellent idle characteristics. Just like any luxury sedan, the supple leather/suede interior is highlighted by custom Recaro seats, a 10 speaker premium system, DVD/navigation/backup camera, and a cab-controlled lift that raises the front an extra four inches to navigate road hazards.
more at: http://www.shelbysupercars.com/
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