I am looking for an FJ80 to build and I want to make sure I get a FF rear axle. I have been searching Ebay and Craigslist for an 80 and the appearance of the rear wheels leads me to believe the axles are semi-float. Does the 80 FF not protrude through the rear rim? Asking sellers if a vehicle has a full float rear axle would get me nowhere. What years and option levels had the FF and are there any exterior visual clues as to what rear is under the rig. Will my rear third member from my 40 drop into a FF 80 housing? Thanks people. Joe B