Indy 500: Carpenter, Dixon head last practice before qualifying

The air at Indianapolis Motor Speedway was dense and relatively still this morning, vastly different from yesterday’s hot and gusty conditions, and the speeds reflected this as drivers attempted four-lap qualifying simulation runs.
In Group 1, Jimmie Johnson turned the fastest lap with the aid of a tow, a 233.961mph, and turned a 233.7 four-lap average. However, in the no-tow speed charts, Ed …Keep reading