James Stewart will be Dave Despain’s guest Sunday at 9 p.m. ET on the SPEED show Wind Tunnel. In addition, SPEED plans to make a major supercross announcement regarding its coverage of the season finale in Las Vegas.

Fresh off the eighth Amp’d Mobile World Supercross GP/Amp’d Mobile AMA Supercross Series victory of his career, Stewart is tied with Suzuki’s Ricky Carmichael for the Amp’d Mobile World Supercross GP championship.

Fans/viewers are encouraged to submit questions to for the show by calling 1-866-TUNNEL or e-mailing [email protected]

SPEED, celebrating its 10th Anniversary in 2006, is the nation's first and foremost cable network dedicated to motor sports and the passion for everything automotive. From racing to restoration, motorcycles to movies, SPEED delivers quality programming from the track to the garage. Now available in more than 71 million homes in North America, SPEED is among the fastest growing sports cable networks in the country, the home to NASCAR TV and an industry leader in interactive TV, video on-demand, mobile initiatives and broadband services.