How hard is it to break a car? It depends on who you ask. And when it comes to the engineers of the 2012 Chevy Camaro ZL1, it’s their job. By doing so, they’re able to improve the pain threshold of the upcoming Ford Mustang Shelby GT500 fighter. And what’s a better way to figure that out than a 24-hour endurance test on GM’s Milford road course? We can’t think of any at the moment.