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  1. J

    Speedo 8-9 mph off

    I have to see if that tag is still on, I remember I changed the diff fluid, and I don’t remember if I put that tag back on
  2. J

    Speedo 8-9 mph off

    No it's not a chart I'm going off of, I actually wasn't aware of their being a chart
  3. J

    Speedo 8-9 mph off

    That's the thing I don’t know, I try to run the VIN build sheet but it's confusing for me lol. I thought I had 3.07 so I put in a 30 tooth, didn't do anything, threw in a 31 tooth to see maybe I had a 3.55 but it's still way off. I know I can count the drive shaft rotations. But I'm being lazy...
  4. J

    Speedo 8-9 mph off

    I'm new to the Jeep community and this Forum. I bought this 97 wrangler sport with the 3 speed auto in it.... I know gross an auto. My main concern is my ODO and Speedo is off, it's about a 8-9mph difference. My my Speedo says 60 I'm really going 68-69. I have already installed a 31 tooth...