I finally got around to converting and processing the old 8mm movies Dad took 40 years ago at Camden, Ohio
This it what karting looked like in 1971 at the IKF Sprint Nationals. There were something like 70 entries in American Reed Light class and it was a real battle out there.
Steve O'Hara
Here are the links...
Heat #1
Heat #2
Heat #3
If the links don't work for you just search Youtube for... Vintage Kart Racing, 1971 IKF Sprint Nationals, Camden Ohio.