[Mitchel]

i have a 1971 c20 with the eaton ho52 and 5.13ish gears and it tachs bad on the freeway, i picked up a dana 60 from a 1970 c20 big block truck for under $150 and was told its 3.54 and possible power loc i have a sm465 right now and was wondering if anyone ever swapped just the rear section of the driveshaft with the rearend so i wouldnt have to shorten it just swap rear of the carrier bearing? and also anyone have info on a saginaw 3 speed with an eletric overdrive got one for 25 bucks from a 1967 c10 and might want to use it