Superformance is a company that has been around for quite some time. Best known for building very high quality reproductions of the Shelby 427 Cobra, Daytona Coupe and GT40, they have now turned to making a highly accurate replica of the 1963 Corvette Grand Sport Corvette. Ironically, the Corvette Grand Sport was brought out, sort of on the sly, as Chevy's response to the Cobras. The Superformance Grand Sport is not your run of the mill, Fiero-based kit car, it's a licensed replica of the original Corvette engineered by the legendary Zora Arkus-Duntov. Duntov wanted to develop a purpose-built-race car to win Sebring and Le Mans, and starting in the early 1960s, and working in secret, Duntov and his staff at Chevrolet went ahead and without