The horsepower wars just got a little bit more interesting as Ford announced the final SAE ratings for the supercharged 5.8-liter V8 engine in the 2013 Shelby GT500.
When the Blue-Oval revealed the Coupe and Convertible versions of the new GT500, it said the force-fed V8 produced an estimated 650 ponies and 600 lb-ft (814Nm) of peak torque, but according to the SAE ratings released by Ford today, the eight-cylinder unit has a peak output of 662-horsepower and 631 lb.-ft. (856Nm) of torque.
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