Kind of have some questions about the front end myself. Anything to support it from twisting front to back? Anything to keep it level? Without springs you may find it tilts to whichever side is heavier.
I hyjacked your photo and added some things you might consider. Go to the junk yard and find a 70's to 80's Ford P/U and get the Radius arms and frame mounts and install them to add resistance to the axle twisting. You could also pick up a old coil spring, chop it in half and install on either side of the C mount you made to add some leveling support.
Added: Here's a link to a web page that shows what the radius arm is. Doesn't need to be as high speed as the ones pictured, a old set of factory ford ones would work fine.
Ford Bronco Radius Arm Page
By the way, keep the pic's coming. This is a really neat looking project you have going there.