Sunday’s Xfinity Series race and Stage 1 of Sunday’s Cup Series race at the Chicago Street Course was the Kyle Larson and Shane van Gisbergen show. The two battled for the lead on Saturday, van Gisbergen prevailing to pick up the victory. They were at it again Sunday, making clean passes and running smooth through the corners even on a wet surface. Though many were focused Larson and van Gisbergen, it was noticeable to Kyle Petty of NBC Sports that other drivers seemed to adjust much better to the street course as opposed to last year. “We saw Larson and SVG put on a driving school,” Petty sai…