Rear end swap.
http://www.projectbronco.com/Show_Room/showroom15.htm
and here:
https://www.ford-trucks.com/forums/a...pic/77382.html
and:
https://www.ford-trucks.com/forums/a...pic/78222.html
and some measurements:
http://4wheeldrive.about.com/gi/dyna...rontaxles.html
I had bookmarked a few more measurement sites where they wrote about widths incl springs etc, but those url's are down now; it may be an internet problem.



