In October 2007, after winning the 2007 Indianapolis 500 and 2007 Indy Racing League championship, Franchitti announced his departure from the team to pursue a full-time career in the NASCAR Sprint Cup with Chip Ganassi Racing.
Pada bulan Oktober 2007, setelah memenangkan 2007 Indianapolis 500 dan 2007 Indy Racing League kejuaraan, Franchitti mengumumkan keberangkatannya dari tim untuk mengejar karier penuh waktu di NASCAR Piala Sprint dengan Chip Ganassi Racing.