Cage Match: 562 HP Camaro HPE550 Vs 540 HP Shelby GT500

Hennessey's supercharged, 562 HP Camaro HPE550 was built as a high-performance substitute for the now-defunct Camaro Z28, but how's it compare to the mean, factory-tuned 540 HP supercharged 2010 Shelby Mustang GT500? Let's find out. [Inside Line] » 7/02/09 1:45pm 7/02/09 1:45pm