NDIANAPOLIS, Ind. (April, 5, 2018) Verizon IndyCar Series competition resumes out west with the first oval of the 2018 season, the Desert Diamond West Valley Casino Phoenix Grand Prix at ISM Raceway. The #88 Harding Racing IR18 Chevrolet powered car piloted by Gabby Chaves will race 250 laps on the 1.022-mile oval for 255.5 miles….