A 638 horsepower 2013 Chevrolet Corvette ZR1 has been chosen to pace the Indianapolis 500 on May 27.
Chevrolet likes to point out that the ZR1 will be the most powerful production car to ever the pace the race.
While that may be true, 638 horsepower isn't enough for Chevrolet to claim "king of the hill" status. The original pony car, Ford's Mustang, has galloped past the Vette in terms of factory sanctioned horsepower.
Ford's SAE ratings for its 2013 Mustang Shelby GT500 show the supercharged V8 makes 662 horsepower. Ford claims its 5.8 liter is "the most powerful production V8 in the world."
And that's just the beginning. World famous tuner Carroll Shelby, who passed away May 10, unleashed a 1,000 horsepower Mustang shortly before his death: the Shelby Mustang GT 1000.
Chevy's other muscle car has also gone back to the gym. The Camaro ZL1 has bulked up to 580 horsepower.
Back to the Corvette: This year's Indy race will mark the 23rd time a Chevrolet has paced "The Greatest Spectacle in Racing." The first was a 1955 Bel Air, followed by a 1967 Camaro.
The first Corvette to pace Indy was a 1978 Corvette. It had 220 horsepower. My, how times have changed.
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