Back when real cars ran in races, with their tops chopped off. Imagine racing with convertibles now?

For a look at a similar hardtop http://justacarguy.blogspot.com/2013/04/1957-chevrolet-was-about-most-beautiful.html

https://www.facebook.com/GMPhotoStore/photos/a.353629738115918.1073741828.352549801557245/1087115344767350/?type=3&permPage=1