Chevrolet Detroit Grand Prix Presented by Lear Corporation – Friday – 5pm – Practice and Warm-Up Results and notes

By Steve Wittich The second and final NTT IndyCar Series practice before qualifying on Saturday morning at 10:45 am began promptly at 2:50 pm. It was sunny and humid with an ambient temperature of 79F. The track temperature was 91F. It was 86F at the Start/Finish Line, 103F at Turn 5, 100F in Turn 9…

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