THE RACECAR THAT NEVER WAS: Shelby’s Ultra Rare Group 2 Mustang May 4, 2015 The Stephen Cox Blog is Presented by McGunegill Engine Performance (Photos by Phillip Pietri, courtesy of Mecum Auctions) On the morning of May 11, 1966, Carroll Shelby's crew went to work on their sixteenth Shelby Mustang SCCA A Sedan/Group 2 racecar. They would never build another one. Read More