Evening gentlemen: I am semi-retired and love to talk,play and look at cars. I also do research for the Museum of American Speed-Smith Collection in Lincoln, NE. I ran across your site while surfing. My present research project is on quick change rear ends. So if any of you have pictures information on odd quick change rear ends , Please pass them on.There were also driver that made QCs such a Clyde Adams, etc. Thanks and I hope to add info too! Dave.