But he may never get that chance racing stock cars.

The two-time NASCAR champion returned to Indianapolis Motor Speedway on Wednesday to help Chevrolet unveil its new midget-car engine, an appearance that prompted another round of questions about Stewart's plans and whether they might include IndyCars.

"There's a part of me that thinks running at Indy and in IndyCar is a chapter of my life that is closed," Stewart, 36, said. "Then there is the emotional part of me that says, 'Never say never.' I don't know if I'll ever get in an IndyCar again, but if that happens, it's going to be a long way down the road because I have a lot of commitments on the NASCAR side."

Stewart has been running with Joe Gibbs Racing since 1998, and his contract doesn't expire until the end of next season. Yet he's already fielding offers.

Stewart has been said to be looking to move in part because he has long ties to Chevrolet and JGR is using Toyotas. But he brushed off the suggestion he was upset with driving a Toyota.

As so often happens when the Indiana native visits the speedway, the discussion turned to the Indy 500 and whether he still would like to race here.

The answer: Only if it's a full-time gig in the IRL.