Thread: Motor upgrade

  1. Motor upgrade

    Rebuiliding 6cylinder 4.0 for mud.
    Jeep Cherokee with turbo.
    Just want to do it right the first time.
    I was told this is place to get answers.
    Should I reinstall stock cam?
    Heads? Etc. Any help would be appreciated.

  2. #2
    Join Date
    Dec 1999
    Virginia Beach VA

    Re: Motor upgrade

    I don't have any answers for you (others will be along that know better than me), but I'd love to see some pictures of this thing.
    My 2005 Wrangler Build Thread

    “He who is without oil shall throw the first rod.” -Compressions 8.7:1

  3. #3

    Re: Motor upgrade

    I'll definitely post pics

  4. #4
    Join Date
    Dec 2010

    Re: Motor upgrade

    The 4.0 engine was a pretty good one. If you don't think you need the extra horsepower, I'd stay closer to stock for reliability. If you want to perk up the low end, you can find a cam that will do that.

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