The 2013 Shelby GT500 is proving to be more than we ever hoped for, as the first cars make their way on to the dyno. Livernois Motorsports just get done testing a stock 2013 GT500 with 93 miles on the odometer, and it laid down over 600 wheel horsepower!
Build your own custom newsletter with the content you love from FordMuscle, directly to your inbox, absolutely FREE!