Today Chevrolet announced that a 2013 Corvette ZR1 will pace this year’s Indianapolis 500, marking the 23rd time that a Chevy has paced the race and the 11th time the Corvette has performed the duty. With 638 horsepower from its supercharged 6.2-liter V8, the Corvette ZR1 will be the most powerful production machine to serve as the race’s pace car. Funk Flex