When I live in Az Several yrs ago Had a 75 bronco (Am a Chevy guy) with a custom 351 Cleveland built by Desert Fox and they did all he frame work and roll bar to frame built , hooker headers with flow master pipes that was modified so I could open them up with a sw, 2” body lift, 4” suspension lift, Dana 30 in ft, Dana 60 in rear, Detroit lockers, Jim Duffy hood and fender flairs, military transfer, re-arched leafs, 40” monster mudders, Could smoke all 4 tires on dry payment. Have a pic of it jumping my brother in law ...I need to dig out (he took the pic). No pwr stearing or brakes. Road like a Fred Flintstone mobile. Good old days before all the kids : )