USAC AMSOIL SPRINT CAR NATIONAL CHAMPIONSHIP RACE RESULTS: July 28, 2018 – Tri-State Speedway – Haubstadt, Indiana – 31stNOS Energy Drink “Indiana Sprint Week” BELL HELMETS QUALIFYING: 1. Kevin Thomas, Jr., 69, Dynamics-13.378; 2. Chad Boespflug, 11p, Pottorff/Short-13.593; 3. Justin Grant, 4, TOPP-13.605; 4. Chase Stockon, 32, 32 TBI-13.639; 5. Dave Darland, 36D, Goodnight/Curb-Agajanian-13.663; 6. […]