Chevy Camaro ZL1 undergoes brutal 24-hour test
Testing a new car is always a grueling process. General Motors decided to ratchet things up a notch for the Chevrolet Camaro ZL1, putting the car through an even more demanding test schedule than normal. Out on the Milford proving grounds, engineers pushed the Camaro ZL1 around the track for four hours per day over the course of six days.