March 3, 20206 yr Moderators William Byron completed a two-day test Tuesday at Auto Club Speedway in Fontana, Calif., of the newest prototype of the Next Generation car, which will debut in 2021 in the Cup Series.Unfortunately, his more than 300 miles of testing runs included a run-in with the wall off Turn 2. The 2-mile track is the largest yet to be used during the new car’s testing process.“We were probably six ...Keep reading View the full article
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