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TJ vs YJ mounts

Discussion in 'Jeeps' started by EWSplow, Oct 4, 2015.

  1. EWSplow

    EWSplow Senior Member
    Messages: 531

    Does anyone know if a Boss Sport duty mount from a TJ will work on a YJ? I'm assuming there would be some modificatios needed.
     
  2. theplowmeister

    theplowmeister 2000 Club Member
    from MA
    Messages: 2,552

    different mounts. Hold the TJ mount p agenst the YJ frame and fill/remove steel till it fits. I know a lot of help.. but thats about it, unless you find a YJ mount. Not likely as the YJ preceded the sport duty by 3 or 4 years, 20 years ago. the YJ was made util 95 and the Sport duty came in around 99 I think.
     
    Last edited: Oct 5, 2015
  3. EWSplow

    EWSplow Senior Member
    Messages: 531

    I thought the TJ frame is wider, but wasn't sure. Better too wide than narrow. Shimming is easy. I wasn't sure about clearing the spring shackles either.
    Thanks for the input.
     
  4. gunsworth

    gunsworth Senior Member
    Messages: 510

    frame width is similar, the additional space needed for shckles and leaf springs will be the challenge.
     
  5. EWSplow

    EWSplow Senior Member
    Messages: 531

    I'm finally getting some time to work on this. As suspected, the shackles are the biggest challenge. Fortunately, a friend has a small machine shop in his garage. Looks like we need to shim between the frame and mount and between the mount and push bar. I ordered plenty of flatbar in various thicknesses, so I hope it works.