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Ft. Worth, TX (8/1/14) by DarinShort.com. Two weeks ago, registration opened for the Port-A-Cool® U.S. National Dirt Track Championship (USNDTC) at The Dirt Track at Texas Motor Speedway (TMS). And t...

Ft. Worth TX (7/16/2014) by DarinShort.com. Texas Motor Speedway (TMS) officials are pleased to announce the registration website is now open for the Port-A-Cool® U.S. National Dirt Track Championshi...

TULSA, Okla. (March 5, 2014) - Officials with the Texas Motor Speedway Dirt Track and Lucas Oil American Sprint Car Series presented by MAVTV American Real have confirmed their 2014 visit with a firs...