Paul Pfanner asks whether IndyCar has permanently turned its race car into standard equipment, what that trades away, and why the choice that builds what comes next has to be made now.

Paul Pfanner surveys Sunday's 110th Indianapolis 500 — Felix Rosenqvist's 0.0233-second win for Meyer Shank Racing, the closest finish in race history — and argues that the Penske Entertainment era, reached its best day to date.