i have a 77 shortbox, dana60 in the front 14bolt corp. in the back. 4:56 gears lockers and a 454. thinking about a 4 link, havnt seen or heard much in regards to a chevy shortbox tho. mind you i havn't looked around that hard either. so any input would help if anyones done it before or knows of anyone who has or where to look. trucks completely dissaembled atm i mean stripped to frame so skys the limit. thanks for any input