A blue 1967 Shelby GT500 crossing the block at Mecum’s Indianapolis auction reignited a debate collectors have argued for fifty years — whether cars built before Ford shifted Shelby production to Michigan in 1968 deserve a different level of respect than everything that came after. Powered by a 428 Police Interceptor V8 wearing a 427 badge, and built during the final year Shelby American assembled cars at its own Los Angeles shop, the 1967 GT500 sits at the center of an authenticity argument that still shapes what collectors are willing to pay today.
