Ed Carpenter pulls in after winning the pole during qualifications for the Indianapolis 500 IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Sunday, May 18, 2014. (AP Photo/Michael Conroy)
Pole-sitter Ed Carpenter laughs as he watches Dario Franchitti squeal the tires on the pace car as he pulled onto the track before the start of practice for the Indianapolis 500 IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Monday, May 19, 2014. (AP Photo/Michael Conroy)
Ryan Briscoe, of Australia, puts on his racing suit before a practice session for the Indianapolis 500 IndyCar auto race at Indianapolis Motor Speedway in Indianapolis, Wednesday, May 14, 2014. (AP Photo/Darron Cummings)
Ryan Briscoe, of Australia, sits in his car under a tarp as rain halted activity on the first day of qualifications for Indianapolis 500 IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Saturday, May 17, 2014. (AP Photo/Darron Cummings)
Kurt Busch is interviewed as he leaves the track medical center after he crashed in the second turn during practice for the Indianapolis 500 IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Monday, May 19, 2014. (AP Photo/Michael Conroy)
Kurt Busch walks out of the track medical center after he crashed in the second turn during practice for the Indianapolis 500 IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Monday, May 19, 2014. (AP Photo/Michael Conroy)
The crew of Juan Pablo Montoya, of Colombia, practices a pit stop as Montoya sits the car during practice for the Indianapolis 500 IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Monday, May 19, 2014. (AP Photo/Michael Conroy)
Tony Kanaan, of Brazil, talks with his crew over the radio as he sits in the car in the pit area during practice for the Indianapolis 500 IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Monday, May 19, 2014. (AP Photo/Michael Conroy)
Will Power, (12) of Australia, waits as teammate Helio Castroneves, of Brazil, pulls out around him as they leave the pit area during practice for the Indianapolis 500 IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Monday, May 19, 2014. (AP Photo/Michael Conroy
Takuma Sato, of Japan, removes his earplugs after driving during practice for the Indianapolis 500 IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Monday, May 19, 2014. (AP Photo/Michael Conroy)
The car driven by Kurt Busch catches fire after hitting the wall in the second turn during practice for the Indianapolis 500 IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Monday, May 19, 2014. (AP Photo/Mike Fair)