IndyCar still eyeing higher qualifying speeds for future Indy 500s

Mark Miles can close his eyes and still hear the deep, resonant voice of longtime Indianapolis Motor Speedway announcer Tom Carnegie's voice echoing across the cavernous facility each May as it announced a new track record.

It doesn't matter much that Carnegie, who came to be known as the "Voice of the Speedway" during 60 years at the track, retired in 2006, five years before his death. His signature calls of "He's on it!" and "It's a new track record!" became the soundtrack for thousands of fans who made the pilgrimage to the Brickyard.

"That excitement," said Miles, the chief executive of IndyCar, "is just part of the brand."

Yes, speed has always been part of the brand. But even though the…