With temperatures in the mid-50s, the IMSA WeatherTech SportsCar Championship cars took to the track for a 20-minute warmup session in preparation for this afternoon's 2h40m TireRack.com Battle on the Bricks at Indianapolis Motor Speedway.
The advent of the new GTP era has coincided with new sustainability initiatives with IMSA and Michelin, where tires are intended to survive multiple stints. While that result has been achieved, the consequence has been cars that are an absolute handful on cold tires.
Porsche Penske Motorsport continued to show the preparation-fueled dominance evident so far this weekend at Indianapolis Motor Speedway, locking out the front row for Sunday's TireRack.com Battle on the Bricks for the IMSA WeatherTech SportsCar Championship.
The fresh pavement at Road America may prove to be quite a challenge for Sunday's IMSA WeatherTech SportsCar Championship race, but in qualifying it was producing record laps in most classes.
It was another Cadillac Racing one-two in the second practice session for Sunday's IMSA WeatherTech SportsCar Championship race at Road America, this time with Pipo Derani at the top for Action Express Racing. His 1m47.986s – good for 134.95mph around the 4.048-mile, 14-turn circuit – was 0.