3.0 engine swap

[FORDSMAN]

Hello
i have a 1991 ranger 2 wheel drive it has a 3.0 in it can someone please tell me if i can put a 4.0 in it without changing the computer and wiring harness , i think the transmission will bolt up......thanks

 

[Psychopete]

Computer and wiring will change. Bell housings are different, it will not bolt up.

 

[FORDSMAN]

Thank you !!