Team Chevy and engine partner Ilmor weathered a brutal mechanical month of May, but its teams raced without trouble in Detroit.

General Motors president Mark Reuss says a valve coating issue caused recent Chevrolet engine failures in IndyCar.

IndyCar will have the final say in the 2028 regs, but Honda and Chevy will hopefully have guided them.

Extended highlights from the 2026 Chevrolet Detroit Grand Prix as the NTT INDYCAR SERIES took on the demanding Streets of Detroit, with key overtakes, strategy calls and a hard-fought fight for podium positions to the finish.

Michigan coach Kyle Whittingham did not hesitate when offered an opportunity to be a passenger in the IndyCar two-seater Sunday.