I found a cj-7 frame today in excellent condition. I had been going to build a new frame for my cj-5, but was contimplating putting my tub on this cj-7 frame. My question is, can you put a cj-5 tub on a cj-7 frame, so that your wheels would be 5" farther front, and 5" farther rear? It would make for great approach and departure angles. I'm not afraid of modifying the frame to work. Also has anyone ever done this before? Thanks.....