Anyone Know Where this Clip Showing a ’37 Dirt Tracker is From?

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According to guy who raced this 1937 dirt tracker, it was “a violent machine to ride,” and the orange and the green color scheme reflected the fact that it was “like the Irishmen and the Orangemen who would never get along.” Apparently, he was was shipped off to the loony bin just before WWII, but I don’t have any problem believing that this brakeless wonder was a handful on the track. Does anyone know where this clip is from?

John Coyle is a longtime auto journalist and editor who contributes to Corvette Forum, Ford Truck Enthusiasts and LS1Tech, among other auto sites.