The Streetfire home of Grassroots Motorsports magazine Grassroots Motorsports magazine is THE hardcore sports car magazine covering road racing, autocross, rally, project cars and the entire world of low buck fun with sports cars. In 2009 we celebrate 25 years of publication, and we'd love to give YOU a free issue. Visit us online at grassrootsmotorsports.com to explore our world and sign up for a FREE issue. We'd like to thank our friends at StreetFire and CarDomain for letting us share their corner of the web.