Getty BRISTOL, TENNESSEE - April 11: Ryan Blaney, driver of the No. 12 Ford, walks the grid during NASCAR Cup Series practice at Bristol Motor Speedway. After a stretch of unpredictable racing, the NASCAR Cup Series arrives at Kansas Speedway — one of the few tracks where the truth tends to reveal itself. Kansas isn’t about survival. It’s about execution. Over long runs, clean air matters. Tire falloff matters . And the teams that get it right over 400 miles usually separate themselves in a way