 Complete the following phrase:  When Chip Ganassi Racing CGR owner Chip Ganassi was informed of rumours that Wheldon might leave AGR, he engaged in informal discussions with him, which led to an agreement in principle at a meeting in August 2005. His AGR contract expired on 31 October and formal discussions began soon after. CGR resigned Wheldon for the 2006 season and the team changed manufacturers from Panoz to Dallara and engine suppliers to Honda after Toyota withdrew. Wheldon made the switch because he wanted to ensure his stay in the IRL and remain competitive. To begin the season, Wheldon won the Toyota Indy 300 at HomesteadMiami Speedway. At the 