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  1. YJ Technical Discussion
    Here's the deal....I've got an 87 YJ with some motor problems. While trying to troubleshoot and get it fixed, I stumbled upon a 04 WJ that I can pick up for FREE. I need to know if this will be compatible with my YJ. Here's the vehicle specs: 1987 Jeep Wrangler 4X4: 4.2L I6 T999 Automatic...
  2. YJ Technical Discussion
    I'm considering a possible Cherokee 4.0/AW4 conversion into my 2.5 89 YJ and I'm trying to figure out as much as I can before I decide if I want to go through with it or not, mainly the wiring. Will an engine harness and computer from a 4.0 YJ work on a Cherokee 4.0? Then all I would have to do...
  3. YJ Technical Discussion
    Does anyone know if the tachometer on a 95 YJ is switchable from 4 to 6 cylinders, or what needs to be done to make it read correctly? After completing the 2.5L to 4.3L engine swap it's the one thing that isn't operating correctly. I would prefer to keep the Jeep tach.
  4. YJ Technical Discussion
    Few weeks back I had the oil pan gasket changed because it was leaking, upon draining and further inspection we found chunks of the piston and many bits of metal in the oil. The motor is killing itself, so I am going to replace it with a stroker 4.6. I have an 88 YJ with a 4.2 and a fuel...
  5. YJ General Discussion
    I have a 95 yj and I'm wanting to do an engine swap. What would be my best option, All opinions are appreciated.
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