Check this out....
http://www.welderseries.com/blog/onl...lel-universal/
This is what I bought for my 57 paddy wagon, they also have a triangulated set up. Big beefy bars and the correct front mounts for what I needed. Art Morrison and RideTech also have the same set up.
I'd crawl under before you pull it off the frame and take a look at what kind of room you've got to work with. Actually, why do you need to pull it off the frame? That's a slippery slope!
Dan