putting a 4.0 in a cj7

[belandscj]

i was wondering how big of a hassle it was to put a 4.0 in a CJ7 are the AMC 258 i6 / 4.2l and 4.0 motot mounts the same and what do u have to do with the wiring putting in a computer and the fule injection can i use my old wire harness or can i get one from a yj what all do i need besices the engine thanks for the help

 

[LongHorn]

i was wondering how big of a hassle it was to put a 4.0 in a CJ7 are the AMC 258 i6 / 4.2l and 4.0 motot mounts the same and what do u have to do with the wiring putting in a computer and the fule injection can i use my old wire harness or can i get one from a yj what all do i need besices the engine thanks for the help

The motor mounts are different. I would splice the engine part of a YJ harness to your existing wiring.

 

[Petescj]

Heres a great link for the 4.0 swap.

Postal going 4.0/AW4 - Jeep Scrambler Forums & Discussions

 

[IOPort51]

The motor mounts are different. I would splice the engine part of a YJ harness to your existing wiring.

is it necessary to relocate the mounts on the frame or just change the flex parts??

 

[LongHorn]

is it necessary to relocate the mounts on the frame or just change the flex parts??

The block plates are different.