Auto Racing

F1 regulations imposed a freeze on engine development at the end of what season?

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Richard Petty won the 1979 Daytona 500 while what rival battled the Allison brothers?
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Where is Stockton 99 Speedway located?
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How many competitors are there in a NASCAR Xfinity Series?
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Road America is home to which of these feature races?
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Formula 3 racing took a hiatus from the late 1950's until when?
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What team does NASCAR driver Austin Dillon race for in 2014?
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Which race is run at Atlanta Motor Speedway?
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Which state is the Sonoma Raceway located in?
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