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Last I heard from Doug he was in Chattanooga. I'm still in Knoxville and would be happy to consult.

http://naxja.org/forum/showthread.php?t=1142807 I've read over your thread in tech section. My first corse of action would be a compression test of the cylinders and pressure test of the cooling system. One of these should point you in the right direction...but there may be more than one issue...

Reply sent. You may want to publicly post what issues you are having and/or parts you need. There is a wealth of knowledge here and a lot of people eager to help.

Cumberland Gap is north of Knoxville, but both in East Tennessee.

I'm in Knoxville and have swapped/rebuilt more than one 4.0

I'd be happy to locally coordinate, but I'd like if someone who has been there more recently with better knowledge of the trail conditions lead the group on the trails.

I'm in Knoxville if anyone is interested in Windrock. I'd only be up for mild trails because my only jeep now is a stock jku. I'd also be up for more scenic type ride through somewhere in the national park such as Cade's Cove. It's been a while since I've been on the trails. I think my last...

I'd take them if you weren't so far away. Ever come toward Knoxville?

I recently used boostwerks setup and it was much easier to install than the factory setup. You would just need to source the handle and insert for the console. Good to see you on here again!

I've got a 29 spline 8.25 with 3.55 gears in Knoxville.

When I did mine I got all the parts from rockauto. I don't recall the brand...it was mid priced. You might as well do the evaporator at the same time. It is only a small expense and no effort once the box is out.

Before I did the heater core I flushed until I got no more rust and then I found a wet floor. At least in my case the rust is what held the coolant in.

Green is the coolant you want to use. Sounds like it might be time to pull the heater core. If you had heat after flushing it sounds like there may be some blockage. I just did the heater core on a 99 and it is nowhere as hard as everyone makes it sound. There is a lot of part removal but it is...

I would check associated fuses and relays including ASD relay and the wiring to the pump. I don't think there are any factory installed safety switches.

I'm not sure about those years, but I do know of more than one occasion that people have swapped engines and have not been able to start them because the wrong flexplate. I always make sure to check part numbers to make sure they are the same to save any extra work.

The issue with the cps is not whether it will plug in, it's that it has to send the correct signal to the cpu to start the engine. Unless all of the harness and cpu from the 93 is being used, all of the harness from the 96 needs to be used. This gets important in places that have inspections...

You probably also need to use the flexplate from the 96, so it communicates with the cps.

I think there would be issues. 96 should be obd2....93 is not. The harness would be the problem.

I just put a 98 harness in a 99. I didn't have to deal with coils, but the only difference I found was the oil pressure sending unit. The 98 is only 2 wires and the 99 (and I assume later) has 3 wires. The additional wire is voltage the earlier didn't get.

I'm not sure if the box is different, but I'm in the process of replacing a heater core in a 99. There is no cable for the blend doors...it is all vacuum. I recently took a 98 apart and it did have the cable. This might effect which box you need (cable or not).