From USAC
Pontoon Beach, IL — (August 31, 2012) — The AMSOIL USAC National Sprint Car Series event scheduled for Friday at Tri-City Speedway has been postponed due to rain. USAC and Tri-City official are working on a makeup date for sometime in October.. The next AMSOIL USAC National Sprint Car Series event is scheduled to take place tomorrow at the Terre Haute Action Track in Terre Haute, IN.