Tickets on sale for the Detroit Grand Prix (www.detroitgp.com) - we caught up with Bud Denker,  the head of the GP and key part of Penske Racing

<p>Tickets on sale for the Detroit Grand Prix (<a href="http://www.detroitgp.com">www.detroitgp.com</a>) - we caught up with Bud Denker,&nbsp; the head of the GP and key part of Penske Racing</p>

You know that guy who loves to talk with you about cars and racing? That's Big Jim O'Brien - and you're always welcome to stop by his garage as he hats with some of the biggest names in racing:  Mario Andretti, Alexander Rossi, Roger Penske, Bob Seger, Kurt Busch and many more...

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