i just went to a truck dismanteler the other day, from what i can tell the idea swap in axles are from the isuzu/gm npr/w4500 shorty box and flat beds.
they are either the 6lug budds or the small 10 lug.
disk brakes front and rear.
and because they are smaller trucks the front axles are narrower than a f5/6/700 or newer gm 45/55/65/75/8500 trucks, they are 90" wms front.
i havent measured up the perches for the springs yet tough.
i also found a pile of wide [90"] beam axles with all the patterns and disk brakes. now i need to find out how interchangeable the knuckles/kingpins are to try and get a 10 x 11.25" so i can easy slap some alcoas and 40"+ otr tires.
