 From 1965 to 1967, Shelby American also provided support to Ford's World Sportscar Championship effort with the Ford GT40's, clinching the championship with a 1-2-3 finish at the 1966 24 Hours of Le Mans.Shelby had success the following year, with wins at Sebring and Le Mans with the GT40 Mark IV.Shelby American moved in 1998 to Nevada becoming the first automobile manufacturer in Nevada and began production.