i did a search and couldnt find much, unless someone has something they can direct me to. lets see the slingshots, all PRE 64 only please!
go here...and pluck 'em out of thousands of photos. In a matter of a few hours, you will have captured hundreds and hundreds of pre-64 rails... http://www.jalopyjournal.com/forum/showthread.php?t=228509
Check out this link. There are over 500 pages with lots of slingshot dragsters! http://www.jalopyjournal.com/forum/showthread.php?t=228509
I dont know any thing on the blue rail but ,just my opinon , but it truly represents what some one would have built in the fifties in there garage, build it and go out and have some fun..