differential swapping?
 

i got a quick question. i am getting all the parts together for my sas and really dont feel like buying new gears. so heres my question, will the 8" third w/ 4.10's from my 82 parts truck fit in my ifs truck v6 housing? i beleive it will i just want to make sure. i know it will be weaker but i have matching gears in the 82 so im trying to save some cash up front until i get some more money to put a lower gear in. thanks in advance for any help

It will fit.