Can Am racing at the Stardust in Las Vegas... when the cars were innovating from race to race, and had little time to test things. Skip the 1st 7 minute to get right to the race

check the awesome variable pitch wing on the white car at the beginning of this part 2 video, it was integrated with the brakes to add much needed extra down force in the curves

incredibly innovative way to paint a car. Electric motor spins a hand crank handle, which pumps an old bike tire hand pump, which fills a motorcycle tire used as a compressed air reservoir and regulator