Ok so I am looking at swapping my motor and trans. Currently I have the 2.5 with man trans, thinking of grabbing my buddies grand cherokee, 95, with the 4.0 and auto trans and putting it In. I looked at work when I was bored and found that 90% of the sensors are the same on the motor, even the water pumps. Distributers seem to be the same even. So would I even have to change the wiring in the dash? I know Ill have to cut the motor mounts and move them back a bit and reweld them. Then Ill use the computer out of the grand and the wiring for the engine compartment, of course, I was just wondering if any one has had experiance doing this or not. Its an option to me thats affordable at this point but giving me the abuility to get to highway speeds, not kill my clutch leg in traffic, and hopefully give me a gearing in the auto trans with a bit of an overdrive. I know Ill need a new drive shaft, I got a place that will make it for 75 bucks blanced and all. Since its pre OBD 2 I shouldnt have much issue with wiring, Since the sensors are the same I should have good hookups for the gauges. Think even the speed sensor is the same so my true speed hook up will still work. Any ideas or thoughts guys? Be a few months before I get up the nerve and funds to start doing this but I want to start looking at what I need to do.