http://www.stangtv.com/news/2013-she...ndwagon-grows/
This site says the new 2013 Shelby GT500 will come Turbo Charged with
650 hp thats more than a ZR-1 Corvette!
http://www.lsxtv.com/features/rumor-...l1-hp-numbers/
This site says the new 2012 Camaro ZL1 is almost finished with official certified testing and that the official horsepower number will be north of 570 hp.