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Trying to switch out my 4.2 258 in my 89' YJ for a 4.0 Liter. Ive got the engine but still need the transmission (AX15) and transfer case. Also, the items listed below. I think thats all I need to do the swap, but any advice or input is very much appreciated. Thanks guys! (and gals) 91-95 4.0...

Thanks for all your help guys. Ill let you know how everything works out. I went with new springs and I'm going to try and install the carb this weekend, as well as drop the transfer case and change the seal.

Oh and air filter which replace the entire air cleaner assembly.

Unfortunatley no, I've got the carb, transfer plate, gasket and electric choke wich is already on the carb, that's it. That and figuring out the vacum setup i feel will be the hardest part.

Thanks man, the lift is a full traction shackle reversal which was supposed to give me 2 inches of lift. What do u think about the springs? if I have to replace the springs won't that lift it more and therfore screw up the angle again. Should I fix that first?

So this process started with an 89' carbed yj that I recently purchased. I knew the carb needed a rebuild but I decided to buy a mc 2100 and just replace it instead. Here is where the issues started. I started looking around to see how complicated the install would be and discovered about a half...