NASCAR Cup Series AutoTrader EchoPark Automotive 400Texas Motor Speedway The Purse: $9,397,736Sunday, April 14 3:30 p.m. ET TV: FS1, 2 p.m. ET Radio: PRN, SiriusXM NASCAR (Channel 90)Distance: 400.5 miles (267 Laps); Stage 1 (Ends on Lap 80), Stage 2…