The burliest Mustang loses some weight and gains 10 hp and an optional track-focused package for 2011.
The Blue Oval is leaving no Stang untweaked for 2011, now announcing significant updates to the Shelby GT500 to go along with the already revealed 5.0-liter Mustang GT and base 3.7-liter V-6 cars. The most important alteration to the Shelby is a switch in engine-block material, tossing the old cast-iron block for a version of the all-aluminum lower end that was originally developed for the Ford GT. A larger intercooler and a revised exhaust bump power by 10 hp to 550, while torque stands pat at 510 lb-ft.
Keep Reading: 2011 Ford Mustang Shelby GT500 – Official Photos and Info
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