The start to Sunday’s Grant Park 165 Chicago Street Race is on hold due to rain in downtown Chicago. Teams have been told to cover their cars on pit road and NASCAR has given teams the option to put on the wet-weather tires, per Jordan Bianchi of The Athletic. Use of the wet-weather tires is not mandatory as it was at New Hampshire two weeks ago. Each team has six sets of wet-weather tires on hand as NASCAR anticipated the possibility of rain impacting the race. This story is developing… The post NASCAR gives Chicago Street Race teams wet-weather tire option with rain threatening Grant Park 16…
