![Drivers tackled tire test after 'head-scratching' spring Bristol race](https://cdn-3.motorsport.com/images/amp/YKEdy1X0/s6/bristoltest-2.jpg)
Six Cup teams participated in a tire test on Tuesday at the concrete short track, and it remains unclear whether it resulted in any solid answers or will prompt a change in the tires used for the next event.The Sept. 21 race will be run at night and serves as a cutoff race in the Round of 16 of the Cup Series playoffs.In the race in March, Goodyear brought the same tire combination that was used ...
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