 Unbeknownst at the time, this would end up being the final contested season of Champ Car, as the following February, the series unified with the Indy Racing League (IRL), marking the end of the Champ Car World Series for good.For 2007 Champ Car underwent some major changes.The opening race of the season was switched from the Grand Prix of Long Beach to Las Vegas for the first running of the Vegas Grand Prix.