i just changed my 66 1/2 ton over to 4x4,iused a 78 3/4 ton4x4 as a doaner ,ground all rivits off 78 frame and used leaf springs,spingbrackets ,and axles,350 /350,make sure you mark everything before you remove your axles,measure twice cut once,i used my 66 frame ,every thing worked good
i will post pictures as soon as i figure out how,have pictures start to present
mark
