Sebastien Bourdais Race Summary: Sebastien Bourdais drove the No. 18 Team SealMaster – Dale Coyne Vasser-Sullivan car to an eighth place finish today in the DXC Technology 600 at Texas Motor Speedway. Bourdais qualified a TMS best and season high third. Starting from the inside of row two on the challenging 1.5-mile D-shaped oval, Bourdais…