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  1. #1
    Jeep Engine Question
    milessthomas's Avatar
    Member Since
    Feb 28, 2007
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    783
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    MBP 3.06Ghz, MBP 2.2Ghz, Mini G4, B/W G3 (Media Server), LCII, Beige G3
    Jeep Engine Question
    Okay I've got a 1991 cherokee with a rebuilt 4.0L L6.

    I've also got a 1999 Grand Cherokee.

    I want to put the rebuilt engine from the cherokee into the Grand Cherokee.

    The 91 cherokee transfer case is busted and I don't want to deal with it, are the 1999 4.0L engines and the 1991 4.0L engines interchangeable?

  2. #2
    Jeep Engine Question

    Member Since
    Jan 09, 2009
    Location
    calgary
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    43
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    Aluminum MB, 2.0, 2gb ram, 320gb hdd
    Jeep Forum - Jeep Enthusiast Network

    probably will be more helpful.
    -----
    DTx
    Aluminum MacBook 2.0GHz
    2GB RAM\320GB HDD

  3. #3
    Jeep Engine Question
    milessthomas's Avatar
    Member Since
    Feb 28, 2007
    Location
    Charlotte, NC
    Posts
    783
    Specs:
    MBP 3.06Ghz, MBP 2.2Ghz, Mini G4, B/W G3 (Media Server), LCII, Beige G3
    Well, just asking here cause its not really important right away and we have a bunch of mechanics here I've talked to.

    Thank you though dtx I'll check it out.

  4. #4
    Jeep Engine Question
    XJ-linux's Avatar
    Member Since
    Jul 02, 2007
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    Going Galt...
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    MacBookAir5,2:10.9.5-MacMini3,1:10.9.5-iPhone6,1:8.3
    Significant changes came about with the 1996 4.0L. You may wish to consider coring out the 1990 engine on a rebuilt 1999 4.0L. You will also need a new wiring system (with an early 1990's engine) as the injection, timing and induction systems are different as well. The components themselves would probably bolt up with some adaptors though.
    Never judge a man, untill you have walked a mile in his shoes...
    That way you'll be a mile away from him, and you'll have his shoes.

  5. #5
    Jeep Engine Question
    milessthomas's Avatar
    Member Since
    Feb 28, 2007
    Location
    Charlotte, NC
    Posts
    783
    Specs:
    MBP 3.06Ghz, MBP 2.2Ghz, Mini G4, B/W G3 (Media Server), LCII, Beige G3
    Quote Originally Posted by XJ-linux View Post
    Significant changes came about with the 1996 4.0L. You may wish to consider coring out the 1990 engine on a rebuilt 1999 4.0L. You will also need a new wiring system (with an early 1990's engine) as the injection, timing and induction systems are different as well. The components themselves would probably bolt up with some adaptors though.
    Great Info XJ-linux. Much appreciated.

  6. #6
    Jeep Engine Question
    XJ-linux's Avatar
    Member Since
    Jul 02, 2007
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    Going Galt...
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    3,418
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    MacBookAir5,2:10.9.5-MacMini3,1:10.9.5-iPhone6,1:8.3
    LOL, the XJ in XJ-linux means Jeep XJ Cherokee
    Never judge a man, untill you have walked a mile in his shoes...
    That way you'll be a mile away from him, and you'll have his shoes.

  7. #7
    Jeep Engine Question
    Derek McNelly's Avatar
    Member Since
    Feb 04, 2008
    Location
    Center Line, Michigan
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    1,587
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    MacBook Pro 15" - 2.3 GHz Quad i7- 8GB RAM - 750GB Hybrid HD - OS X 10.8
    Quote Originally Posted by XJ-linux View Post
    LOL, the XJ in XJ-linux means Jeep XJ Cherokee
    What's your opinion on the MJ?
    MacBook Pro 2.3 GHz Quad i7 - 8GB RAM - 750GB HHD - OS X 10.8
    MacBook 2.0 GHz Core 2 Duo - 4 GB RAM - 320 GB HDD - OS X 10.6

    MoTM February 2009

  8. #8
    Jeep Engine Question
    Dysfunction's Avatar
    Member Since
    Mar 17, 2008
    Location
    Tucson, AZ
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    6,821
    Specs:
    Way... way too many specs to list.
    MJ? Same thing, but a pickup bed


    I really liked my old XJ, till I tore the unibody.
    mike
    This machine kills fascists
    Got # ? phear the command line!

  9. #9
    Jeep Engine Question
    XJ-linux's Avatar
    Member Since
    Jul 02, 2007
    Location
    Going Galt...
    Posts
    3,418
    Specs:
    MacBookAir5,2:10.9.5-MacMini3,1:10.9.5-iPhone6,1:8.3
    I should change my name to JK-linux now as I traded the XJ for a JK when I moved to Minnesota. My only complaint is the lack of the I6 4.0 on the JK. The 3.8L is a minivan engine that just lacks the grunt of the old reliable I6.
    Never judge a man, untill you have walked a mile in his shoes...
    That way you'll be a mile away from him, and you'll have his shoes.

  10. #10
    Jeep Engine Question
    milessthomas's Avatar
    Member Since
    Feb 28, 2007
    Location
    Charlotte, NC
    Posts
    783
    Specs:
    MBP 3.06Ghz, MBP 2.2Ghz, Mini G4, B/W G3 (Media Server), LCII, Beige G3
    Quote Originally Posted by XJ-linux View Post
    LOL, the XJ in XJ-linux means Jeep XJ Cherokee
    I got that one...

    My license plate is "Jeep - XJ"

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