Video: Chevrolet takes it easy on the competition with Corvette ZR1 ad - Autoblog

Chevrolet Corvette ZR1 ad spot - Click above to watch the video after the jump We've seen plenty of luxury sports cars that are later tuned for the 12 Hours of Sebring. Porsche, Ferrari and BMW all do it, and so does General Motors with its Corvette Racing team. So why do the advertising types at GM...