Iowa 300 at Iowa Speedway – Friday – Final practice notes and results

By Steve Wittich The ambient temperature when the session began was 93F, and the heat index was 113F.┬áThe overall track temperature was 115F. The coolest portion of the track, was the front stretch, which was in the shade of the grandstand, was 94F. The mid-point of Turn 3 and Turn 4 was in the bright…

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