Inside Line Promotions – AVON, Ind. (March 22, 2019) – Speed Shift TV has been selected as the Official Broadcast and Video Partner for the Sprint Car Challenge Tour. In conjunction with Mills Video Productions, Speed Shift TV will showcase the entire 2019 season. The 360ci winged sprint car tour that is based in California has a 13-race schedule on tap. The season kicks off March 30 at Placerville Speedway in Placerville, Calif., which will be the first live broadcast of the