Cool Mustangs at the Tire Rack SCCA Solo Championships By 5Speed07GT - September 6, 2013 Just saw this on the Grassroots Motorsports Facebook page and had to share. Number 38 is a 1965 Mustang run by Sledge Hammer Racing from Dixie Region and has done well in this event in the past. Tags: Championships, Community News, mustang, SCCA, Solo Related Articles