Ford recently released a limited edition version of the Shelby GT500 for 2011, and already has booked more than 3,500 of a total of 5500 vehicles as will be produced. This figure is surprisingly limited, but Ford should pay tribute to a great marketing gimmick. Whatever turn, will probably sell them more than they planned. Under the cover lies a new 5.4-liter V8 engine super stuffed a 550-horsepower and 690 Nm of torque. Although the new engine is only 10 horses stronger than the old, progress has been achieved by reducing its weight by 46 pounds by using aluminum engine block.

Besides, there are some interesting details that stand out from the rest of the Shelby GT500 "not exclusive" model. This is primarily a new exhaust system, improved brakes and power steering. New in our offer is the ability to order the glass roof if it is a coupe version, and even 68% of customers decide to pack in addition to SVT.

2011 Ford Mustang Shelby GT500 Specs

At first glance, the news in the engine bay isn't all that promising. It's still a 5.4-liter supercharged and intercooled V8 backed by a six-speed manual transmission. Peak power climbs just 10 hp from 540 to 550 thanks mostly to a increase in exhaust-pipe diameter from 2.5 inches to 2.75 (The larger pipes reduce back pressure). Torque remains at 510 lb-ft, but it occurs 250 rpm lower, at 4250. A larger intercooler has also been added, for more consistent performance.

The argument could be made that the GT500 didn't need more power. What it really needed was less weight, especially over the nose. And thanks to an aluminum block, the engineers trimmed 102 off the front, which should be a welcome change. More on that in a bit.