CJ Wilson Racing is slated to join IMSA for the remaining three rounds of the Tequila Patron North American Endurance Cup, with plans to add more events in the future.
After two part-time seasons running primarily on road and street courses, Spencer Pigot will contest his first full IndyCar season for Ed Carpenter Racing.
Rahal Letterman Lanigan Racing continued to show strong pace at ISM Raceway on Saturday, with Takuma Sato again topping the speed charts in the afternoon.
Takuma Sato led the first session of the open test at ISM Raceway, while A.J. Foyt Racing also impressed and put both Tony Kanaan and Matheus Leist in the top five at the end.