Race weekend: Friday, May 31 – Sunday, June 2 Track: Raceway at Belle Isle Park, a 2.35-mile, 14-turn temporary street course (clockwise) Race distance: 70 laps / 164.5 miles (both races) Entry List:  Chevrolet Detroit Grand Prix presented by Lear (PDF) Push-to-pass parameters: 150 seconds of total time with a maximum time of 15 seconds per activation. (for each race) Firestone…