Indianapolis 500 practice – Wednesday – TSO Update #3
By Steve Wittich When the track returned to green at 3:40 pm, the ambient temperature was 71F, and the track temperature was 95F. The sun was getting brighter as 20 cars quickly got back to work on the 2.5-mile oval. O’Ward was the first driver to go over 225mph, with McLaughlin in the Yellow Submarine