A Detroit Grand Prix 2-Fer Benefits Penske Racing's Verizon Champ Bid

Penske Racing answered back in their own 2-race Detroit Grand Prix on their own track at the Chevrolet Indy Dual in Detroit doubleheader at Belle Isle.

Source: http://www.motorsportsjournal.com/archives/2014/06/a_detroit_grand_prix_2-fe.php

Leslie Johnson Bruce Johnstone