Indy double-header in 2010?:

Next summer’s Brickyard 400 at Indianapolis could be part of a novel double-header — with NASCAR’s Grand American sports cars also running at the Speedway on the Formula One road course during the Brickyard 400 weekend. “It’s a matter of how they might be able to change over to the road course from the oval,” NASCAR president Mike Helton said. NASCAR ran both the Grand Am and Sprint Cup events the same day at Daytona in July, in what is seen as a test of track changeover techniques and promotions for other similar double-header weekends for NASCAR’s stock cars and sports cars. “But Daytona is a lot different than Indianapolis,” Helton points out. “It used to take a long time (as much as six to eight hours) to change over Daytona from one to the other. But they’ve figured out how to cut time down.”(MikeMulhern.net)(9-22-2009)