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I'm trying to determine realistic MPG with a 4.0/AW4 running 33x12.5 and 4.56 gearing. This combo is actually in a CJ but since this came from an XJ I thought it would be best to check here. My son has been complaining about poor gas mileage (10-12) but I'm trying to see if anything can be done...

Did a 4.0 swap into a CJ from a 94 XJ. The project is pretty much buttoned up but I need to build a down pipe from the exhaust manifold. I briefly thought about cutting and using the pipe from the XJ but it has too many bends to really get a good transition to the cat and out the back (running...

Hoping someone that knows more than me can chime in and let me know if I'm going about this correctly. I'm swapping in a 95 XJ 4.0/AW4 into a 85 CJ7 with a Dana 300 tc. All the wiring is complete except for the brake light switch for the AW4. When I started this swap I pulled the engine side...

I'm swapping a 4.0/aw4 from a 95xj into a 85 cj. I pulled the PDC and engine/trans ecu from the xj and wired in the ignition/crank/run from the CJ to the XJ. I was planning on using the fuel pump wire from the PDC but I'm not getting power. Not ideal, but the project has been moving around in...

I'm doing a 4.0/AW4 swap and pulled the entire wiring harness (engine side) plus the TCU, PCM, and engine side main fuse panel. I'm finally getting around to the wiring and before I start thinning the XJ and marrying it to the CJ harness I was wonder what these connecters are. There are 4...

New user here. I actually learned to drive on a first generation XJ but haven't owned on in years. I'm building a CJ7 for the kids and powering it with a 4.0/aw4 from a 95 XJ. I pulled the entire side engine harness plus the trans ecu. I have limited storage space so I parted the XJ quickly to...