[gmcdeadhead]

i did the swap on my 66 c-20, it was a 14 bolt, 4:10 gears. i bought a 1987 chevy r30 single axel rolling chassis from a guy that was parting out the r30. i did the whole front end conversion , which he had already replaced all the front end parts , i got the steering box which he had already replaced and was practically new , did the hydro boost that came on the r30 , and i did the 14 bolt rear axle , got the whole thing for $600 buck , you cant beat that deal at all, i would look for a donor truck with half way decent parts and buy it that way. just my opinion, also bought all my conversion parts from captain fab, great price, and the parts fit great.