Buuxi weedha soo socota: Shelby American waxay la shaqaysay Ford si ay dib ugu naqshadeeyaan GT40 xilli ciyaareedkii '66, iyadoo lagu beddelay 289 inji oo cubic ah (4.7 L) oo leh matoor Ford ka weyn, awood badan 427 cu. in. Mashiinka (7.0 L). Mk II GT40 wuxuu gaadhay guul weyn, iyada oo Shelby American ay ku guuleysatay Daytona, Sebring iyo Le Mans oo Ford ku kasbatay Horyaalka Caalamiga ah ee Soo-saareyaasha 1966. Gawaarida Shelby American waxay ku dhammeeyeen kaalinta koowaad (Miles &amp; Ruby mar kale) iyo labaad (Gurney &amp; Jerry Grant) Daytona, marka hore Sebring (Miles &amp; Ruby), iyo marka hore (McLaren &amp; Chris Amon) iyo labaad (Miles &amp; Denny Hulme)
Magaalada Le Mans. Gurney iyo Grant waxay ku dhameysan lahaayeen kaalinta labaad Sebring marka laga reebo in baabuurkooda uu burburay wareegga ugu dambeeya Gurney ayaana riixay khadka dhamaadka, si toos ah ayaana looga reebay.