A change that many have been calling for since NASCAR began utilizing wet-weather tires on ovals in the NASCAR Cup Series is finally coming to fruition. Beginning with this weekend’s NASCAR National Series action at Bristol Motor Speedway, NASCAR will be giving teams the power to choose whether to switch between slick and wet-weather tires.

Here is the official rule update from NASCAR:

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To start the race, all cars must have the same tire type (slicks or wet weather), as determined by NASCAR.

After the green flag to start the race, if NASCAR issues a caution flag for rain and deems the racing surface damp, it will be each team’s…

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