The 30-minute session will be held just before final practice and will see nine drivers attempting to ‘clean’ the track surface and lay down some extra grip around the 1.25-mile course, which will hold the final oval race of the season on Saturday night.
It’s an idea with which IndyCar experimented in the March race at Texas Motor Speedway, running seven cars on the higher groove and which most drivers admitted afterward made a difference, even on the patches of PJ1 TrackBite surfacing which had helped the racing in NASCAR but was treacherous in an IndyCar.
