OKLAHOMA [USA]
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1972 - ECHO RANCH SPEEDWAY
Echo Ranch Speedway opened in 1972 as a 3/8 mile dirt oval speedway, initially running Stock Cars and moving into Supermodifieds.
Unfortunately the track did struggle and operators came and went. During this period the name was changed to Sun Valley Speedway. But by 1981 it was all over, the speedway had closed.
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1985 - ADA RACEWAY
After sitting idle since 1981 the track managed to reopen again, still the venue was struggling and after three years it closed again in 1987, never to reopen.