Juan Pablo Montoya, of Colombia, leads Franck Montagny, of France, through turn 2 during practice for the inaugural Grand Prix of Indianapolis IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Thursday, May 8, 2014. (AP Photo/Michael Conroy)
Helio Castroneves, of Brazil, leads teammate Juan Pablo Montoya, of Colombia, through turn 7 during practice for the inaugural Grand Prix of Indianapolis IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Thursday, May 8, 2014. (AP Photo/Michael Conroy)
Scott Dixon, of New Zealand, drives through turn 13 during practice for the inaugural Grand Prix of Indianapolis IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Thursday, May 8, 2014. (AP Photo/Michael Conroy)
Will Power, of Australia, speeds through a turn during practice for the inaugural Grand Prix of Indianapolis IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Thursday, May 8, 2014. (AP Photo/Michael Conroy)
Juan Pablo Montoya, of Colombia, drives out of turn 7 during practice for the inaugural Grand Prix of Indianapolis IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Thursday, May 8, 2014. (AP Photo/Michael Conroy)
Sebastien Bourdais, of France, speeds through a turn during practice for the inaugural Grand Prix of Indianapolis IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Thursday, May 8, 2014. (AP Photo/Michael Conroy)
Helio Castroneves, of Brazil, (3) leads Carlos Munoz, of Bogota, left, and Juan Pablo Montoya, of Colombia, through turn 2 during practice for the inaugural Grand Prix of Indianapolis IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Thursday, May 8, 2014. (AP Photo/Michael Conroy)
Scott Dixon, of New Zealand, drives through the turn 7 during practice for the inaugural Grand Prix of Indianapolis IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Thursday, May 8, 2014. (AP Photo/Michael Conroy)
Simon Pagenaud, of France, adjust a mirror on his car during a practice session for the inaugural Grand Prix of Indianapolis IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Thursday, May 8, 2014. (AP Photo/Darron Cummings)
Scott Dixon, of New Zealand, wipes his face following a practice session for the inaugural Grand Prix of Indianapolis IndyCar auto race at the Indianapolis Motor Speedway in Indianapolis, Thursday, May 8, 2014. (AP Photo/Darron Cummings)