When discovered (and fell in love) the ZL1 Camaro Chicago, Chevrolet obvious power to give specific figures, presumably in part to maintain interest, and partly to avoid giving clues on how much Ford would have to face his Mustang GT500.
But according to LSXTV, it seems that the figure was rumored at the time (550 hp) will become something like 570 hp, which would leave ahead of his nemesis Ford, but also said the Mustang GT500 get a boost beyond the 600 horses next season …
War powers. Will some of these variants across the pond?
Chicago 2011: Chevrolet Camaro ZL1
2012 Chevrolet Camaro ZL1