Charlie Spencer
Road courses and short tracks.
And running IndyCar for a season costs less, with shorter races and a shorter schedule.Jimmie is able to sell sponsorship a lot easier a 7 time NASCAR champion to IndyCar than Dario is with some IndyCar titles and Indy 500’s.
But that was just a casual aside. My primary point was being good in one or even many forms of motorsports doesn't guarantee being proficient in ALL of them.