Hello<br/><br/>At the end of the book in the Acknowledgments part the author wrote:<br/><br/>To Tom DePont, for being a great friend, wonderful advisor and <b>the guru of Nascar</b> for yours truly.<br/><br/>Do you think it means DePont was the guy who took part in the races or just had an interest in the Nascar races? He was an expert on Nascar races?