There’s a line about the pinball wizard in the Who’s rock opera “Tommy” that goes “What makes him so good?” After Sunday’s Grant Park 165 on the Chicago Street Course, race fans, pundits and competitors alike were asking the same thing about Shane van Gisbergen.

The 36-year-old from New Zealand, who won the Xfinity Series The Loop 110 on Saturday. prevailed in the Grant Park 165.

Shane van Gisbergen completed a weekend sweep at the Chicago Street Race and became the second racer to win both races from the pole.