CHARLOTTE, N.C. (July 9, 2010) -- Chad Knaus, four-time defending NASCAR Sprint Cup Series crew chief and a regular contributor on several SPEED programs, will co-host "Wind Tunnel with Dave Despain" on Sunday at 9:30 p.m. ET. Knaus has coached the No. 48 Lowe's Chevrolet to five wins during the 2010 season, most recently reaching Victory Lane on June 27 at New Hampshire Motor Speedway. "Wind Tunnel with Dave Despain," approaching its 500th episode, debuted Feb. 21, 2003.