i think sometime down the road i will go with 33s on this truck. it is my daily driver and i live in the mountains of western n.c. so if i understand correctly, a 79 or 80 will have a third member that will bolt right in with the 4:38? no mods? and what about the third members from newer toys. i just got this truck 2 weeks ago so i dont have alot of knowledge yet about thses things. thanks guys.
Yes the third will bolt right in,I used my 79 for a d/d for about 2yrs,I ran 33's and 35's with a 20r and the 4:38's.Steep hills slowed me down a bit but nothing major and I also live in the mountains of wnc.
From 79 to 94 all the thirds are interchangable exept for the front of ifs rigs.But the rears are the same.