i have a 93 s10 4wd 4.3l v6 and it has a bad motor... i bought a 91 s10 4.3l 2wd and was wondering if i can swap the moter from 2wd to 4wd.. and what do i have 2 do 2 mod it so it works... ik u have 2 change the oil pan and use the remote oil filter lines