This is before my time but is something that I've been meaning to research and put on the site for some time.
Not much use really am i
You could try here
http://www.1950sspecials.com/home.htm
I can't see the page properly at work but it is a good site and I'm guessing that a few of these cars had an overhang to the 60's. Worth a try.
John
Madabout-kitcars.com