When should Helio Castroneves make the shift to NASCAR?

[Jay]

Helio should go to Nascar when Larry the Cable Guy becomes a U.S. senator.

[It'sSupercharged!2000]

He shouldn't. Hornish was his teammate in Indy, and I would say that Sam was the more talented of the two. If Hornish is struggling in NASCAR now, I doubt that Castroneves would do much better. I like both of them, but Helio is going to be better off if he stays where he has the most success.

[NASCARFan4Life]

There were rumors about him switching to NASCAR three years ago; here is what he had to say: "I think, definitely, NASCAR is the biggest motorsport series in America. The popularity is huge. Drivers want to go and you want to take the challenge."