Hey everyone- so my uncle has a bone stock 1981 CJ-7 Laredo w/ the original GM Iron Duke 4 banger. He has had this jeep for about 20 years now- and it's spent the last 6 years or so sitting. Now that he's getting older, he wants to get it back on the road and enjoy the Jeep while he can- (he has 2 knee upcoming knee surgeries this coming year and it's getting hard for him to walk). So he asked for my dad and I to help him work on his jeep, and in turn, later on he'll give me the jeep. So since I'm new to the forum, i figured I'd document everything on a thread.
This past summer he found a whole drivetrain out of a 1985 CJ-7 for a pretty good price- the 258 I6, T176 Tranny [I believe], and a Dana 300. He currently has the GM Iron Duke 4 cylinder, sr4 tranny [i believe], and a Dana 300- so he technically didn't need the t-case, but he picked it all up still bolted together for a sweet deal. He always wanted to do this swap, so we're gonna help him out.
He got a majority of the parts needed I believe- motor mounts, radiator, all the smog lines, wires, etc from the donor jeep. Also, before all of this my uncle got the car smogged and it passed fine w/ the 4 cylinder- so I don't know maybe the motor is worth selling? its pretty low mileage, i'm not sure if anyone looks for these motors though, what do you guys think?
I have 1981 CJ7 Renegade w/ the stock 4.2, so we're basically gonna park them next to the each other and use it as a reference once we start the swap.
I'll try to update this thread as much as possible once we get the ball rolling. If anyone has done this specific swap, any advice or comments would be appreciated!
Here's the fleet: My Uncles CJ on the left, my sister's YJ, and my Renegade on the right
The CJ looking pretty next to the GTO in the car port (where we'll be working on it):
Here's the engine bay: