1966 Shelby By the Shelby loses its Mustang emblems. For this year more colors are added to the range like blue, red, green and black. Other changes include new rear side windows. Ford Mustang Shelby Cobra, 66 Mustang, Ford Mustang Fastback, Shelby Gt, Ford Mustangs, Mustang Restoration, Classic Car Insurance, Classic Mustang, Autos