IRL cars blister Phoenix
de Ferran PHOENIX -- Other than philosophically, one of the major differences between Championship Auto Racing Teams and the Indy Racing League is technical. A CART champ car sports more horsepower and less downforce than an IRL Indy car and is regarded as a tougher to drive.
But, on a challenging oval like Phoenix International Raceway, the IRL cars certainly aren't tame as they charge into the first turn at 190 mph.
Their overall lap times are only four mph off the record speeds ...
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