The above thread about the Reventlow Cobra caused me to remember crewing for a race at the Louisville Fairgrounds where Augie Pabst was driving one of the Scarabs, The Meister Brauser Special. For you folks old enough to remember him, the Chief Starter was Jesse Coleman. I found this on the internet:
https://www.courier-journal.com/picture-gallery/news/history/river-city-retro/2014/08/07/gallery-l-whirlaway-cup-sports-car-races/13714825/
https://www.courier-journal.com/picture-gallery/news/history/river-city-retro/2014/08/07/gallery-l-whirlaway-cup-sports-car-races/13714825/