Ku qor sii wadida cutubkan - Ruby sidoo kale waxay laba jeer ku guuleysatay tartanka adkeysiga ee 24 Saacadood ee Daytona (1965<unk>1966), labada jeer ee ay la wadaageen Ken Miles. Ruby iyo Miles waxay iska kaashadeen inay ku guuleystaan 1966 12 Saacadood ee Sebring iyo 1966 World Sportscar Championship. Ruby waxaa loo qorsheeyay in uu ku ordo 1966 24 Saac ee Le Mans
, si kastaba ha noqotee waxaa lagu qasbay inuu ka laabto dhaawacyada lafdhabarta ee uu ka soo gaaray shil diyaaradeed. Sannad ka dib, wuxuu la midoobay Denny Hulme oo wata Ford GT 40 Mk IV oo loogu talagalay 1967 24 Saacadood ee Le Mans. Ruby wuxuu door muhiim ah ka ciyaaray barnaamijka GT40 ee shirkadda Ford Motor Company bartamihii 1960-yadii. Waxa kale oo uu ku tartamay 1961 United States Grand Prix.