Thursday May 14, 2015 – Indianapolis 500 practice – 2:30pm – developing Chevrolet story and other practice notes

TSO has observed that the Chevrolet powered cars have removed their centerline wickers.  The splines were added by INDYCAR prior to the Angie’s List Grand Prix of Indianapolis to help keep the car on the ground when the car is sideways. The Honda powered cars still have the splines. We have asked for a comment…

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