Dee ihe na-aga n'ihu maka paragraf a - Ruby nwekwara mmeri abụọ na-agba ọsọ ntachi obi na 24 Hours of Daytona (1965<unk>1966), oge abụọ ya na Ken Miles jikọrọ aka. Ruby na Miles jikọrọ aka iji merie n'afọ 1966 12 Hours nke Sebring na 1966 World Sportscar Championship. E mere atụmatụ na Ruby ga-agba ọsọ na 1966 24 Hours of Le Mans
, agbanyeghị na a manyere ya ịhapụ n'ihi mmerụ ahụ ọkpụkpụ azụ tara n'ihe mberede ụgbọelu. Otu afọ mgbe e mesịrị, ya na Denny Hulme jikọrọ aka na Ford GT 40 Mk IV maka 1967 24 Hours nke Le Mans. Ruby rụrụ ọrụ dị mkpa na Ford Motor Company's GT40 mmemme na etiti afọ 1960. Ọ gbakwara ọsọ na 1961 United States Grand Prix.