NASCAR driver AJ Allmendinger is a longtime Friend of the Freaks. His candid conversations have been legendary in The Freak Nation. That’s why this one is so important. Not only does AJ talk about single car teams in NASCAR, but he also talks about the Jeff Gordon retirement and AJ’s sports car racing at the Rolex 24. But the headline is Allmendinger’s admission he’s finished with IndyCar where he had much success before leaving for NASCAR’s Sprint Cup. Listen…