NASCAR limits testing at tracks on the Nextel Cup schedule. The sanctioning body will conduct sessions at Daytona International Speedway, California Speedway, Las Vegas Motor Speedway, Pocono Raceway, Lowe's Motor Speedway and Phoenix International Raceway. Teams are allowed to test at non-NASCAR tracks, but teams aren't allowed to get tires from Goodyear. In fact, tires used at the racetrack have special global positioning system chips to make sure none are taken after a race, forcing teams to buy tires from other companies. Tire tests are different. Teams not only get to use Goodyear tires, they are part of the selection process.
-- Augusta Chronicle
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