Race Car Talk

The American-built SSC Ultimate Aero TT is a supercar built by Shelby Super Cars (SSC) in order to rival the new Bugatti Veyron with speeds of over 250 mph (400 km/h) and a 0-60 mph time of 2.78 seconds (for the Ultimate Aero TT version). The company and vehicle are the brainchilds of Jerod Shelby, who spent over seven years designing the Aero.

The car is the world’s fastest production car at 255.83 mph (411.707 km/h), a speed reportedly achieved on September 13, 2007 in West Richland, WA. The results of this test, verified by Guinness World Records on October 9,2007, gave the SSC Aero the world’s fastest production car title.

Aero’s engine now 6.35-litre (387.2 cu.in.), rated at 1,180 bhp (880 kW) @ 6950 rpm and 961 ft·lbf (1,303 N·m). torque @ 6150 rpm, supercharger is replaced by twin turbocharger with cab adjustable boost pressure. The car is designed to use 92 octane.

The 6-speed transmission is readjusted to increase car’s top speed to 273.75 mph (437 km/h) @ 7200 rpm, although actual run to such extremes have yet to be made.

Wheels on base model is 18-inch front and 19-inch rear, while Ultimate Aero TT has wheels an inch bigger on both sides.

Coefficient of drag are 0.371 and 0.357 for base and ultimate models respectively .

Specifications (2008)
In this year, SSC only made the Ultimate Aero TT model. Engine is rated at 1,183 bhp (882 kW) @ 6950 rpm and 1,094 ft·lbf (1,483 N·m). torque @ 6150 rpm. It can run on 91 octane.

The 6-speed transmission is readjusted to increase car’s theoretical top speed to 286.2725 mph (458 km/h) @ 7200 rpm.

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