On Monday Ford will announce details of the 2011 Shelby GT500 . The car’s official debut is scheduled at the Chicago Auto Show on Wednesday, but Ford’s webcast site has already “leaked” the car on a short video clip which is no longer available. However some screen captures of the video are available and they are revealing the 2011 SVT Performance Package Mustang.

In addition to this, an order guide of this spectacular muscle car was published online. Some new items of the 2011 Shelby GT500 are a completely aluminum block for the 5.4-liter V8, a glass roof, 19×9.5-inch front and 20×10-inch rear forged aluminum wheels, as well as 3:73 rear end (instead of the car’s standard 3:55). An extra 10 “horses” will be added to the GT500 and the total power will be 550-hp.

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In recent months, rumors have been rampant that the next generation of Ford’s Shelby GT500 Mustang would dump the existing 5.4-liter supercharged V8 in favor of a twin-turbo version of the new 5.0-liter Coyote V8 that debuts this spring. Unfortunately, in spite of earlier reports confirming the development, it appears that such an engine will not be installed in the GT500 any time soon. Mike Harrison, Ford’s chief engineer for the 5.0-liter and 6.2-liter V8 engines  made it clear that the mooted engine is not part of the program for the Blue Oval bomber.