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Thread: 85 CJ7 teardown

  1. #1
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    Aug 2014
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    85 CJ7 teardown

    I posted a few pics on Facebook, but figured I should eventually start a thread here.

    I bought the CJ about two years ago, had the Carter carburetor tuned, did the standard maintenance, wheeled a few times and dropped the AMC20 for a Dana 44 from an Isuzu. I had the 4.10 gears put in with the new rearend. The PO decided to put 33's on without changing the gears or the speedo.

    I never was very happy with the AMC 4.2/carter combo. I still had some engine ticking, oil seeping everywhere, and two stuck lifters. I was originally going to rebuild the 4.2 from scratch, but decided to bite the bullet and just tear it all down to the frame and toss in a rebuilt Ford engine.

    The plan is sandblast and primer frame and axles, then source a 5.0HO ford injected engine, T-18 transmission and stick with the D300 if possible. No one seems to be interested in 4.2 engines with a t176 and a carter... I wonder why.

    Pics in next post

  2. #2
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    Re: 85 CJ7 teardown

    After wheeling a few times:
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    Dana 44 rear end:
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  3. #3
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    Re: 85 CJ7 teardown

    Nice.
    Jeff

    Drink More Water

  4. #4
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    Re: 85 CJ7 teardown

    Clean looking Jeep
    I am "The Focker".

  5. #5
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    Re: 85 CJ7 teardown

    Quote Originally Posted by defibvt View Post
    Clean looking Jeep
    It may look like that, but I'm not sure how much of the body is going to be salvageable. Rusted through in multiple spots. Once i fully strip the body, i'll reassess. The PO(s) had a good time with way too much bondo... 1/4-1/3" thick on the hood of all places...

  6. #6

    Re: 85 CJ7 teardown

    so why don't you put in a amc v8 instead, your trans, motor mounts, and accessories will bolt up. if you want fuel injection put tbi or one of the newer injection setups in. if you need parts or help let me know.

  7. #7
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    Re: 85 CJ7 teardown

    Quote Originally Posted by wiley-moeracing View Post
    so why don't you put in a amc v8 instead, your trans, motor mounts, and accessories will bolt up. if you want fuel injection put tbi or one of the newer injection setups in. if you need parts or help let me know.
    X2… Since they came with a AMC V8 option, this is about as easy-peazy a swap as there is. That's what I did many long moons ago.
    Working for a living is highly over-rated...

  8. #8
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    Re: 85 CJ7 teardown

    A off road modified MC2150 carb is $300 from the ebay guy.
    79 cj7, rebuilt 304, YJ family "cage" , wide track axles, Moser 1 pc. rear, lockrites F/R, TF999/D300 with custom floor shifter, twin sticked, 33x12.5x15 Falken Wild Peaks

  9. #9
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    Re: 85 CJ7 teardown

    Well, a lot has happened in the last year... I finished the teardown, body isn't worth anything, so many rush bolts and halfway fixes.

    This is the state of things now:
    Rolling chassis with new rough country 4" lift and shocks, chassis was blasted and painted with frame paint, Eastwood internal frame paint on the inside since blasters did a crazy good job getting it all cleaned out. New bolts here and there, repainted gas tank, new brake lines and extensions, painted axles and new crown tie rod/drag link, and rough country steering stabilizer.

    Ended up buying a cherokee 1991 ho 4.0 engine, boring .030 over, resurfacing head and block, something with the big end being too big, turn and balance crank, all new rebuild kit. Hopefully it's back this week so I can start the rebuild myself with a mechanic friend's help.

    Going to drop in a new body, either from a cj or yj.

    In need of the following, but cash is tight:
    4.0 vapor canister and all emissions lines
    Steering wheel since mine is shot
    YJ 4.0 dash, engine, and rear harness, 4.0 compatible senders and gauges since my CJ ones will probably be wrong, any guidance here?
    Re-welded/upholstered bucket seats because I want to keep my stock buckets, but one broke and lays back on its own now.

    Full cage tied into frame will come later.

    What else should I add to that list?
    Last edited by blakeg; 01-03-2017 at 08:25 PM.

  10. #10
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    Re: 85 CJ7 teardown

    Here's a bit of the rebuild...

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  11. #11
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    Re: 85 CJ7 teardown

    And a few of the teardown...
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  12. #12
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    Re: 85 CJ7 teardown

    It is great to see this thread get updated.

    "Lophat is not going anywhere, it's a reference. This forum would fold up and die if he left. LOL!" -- OTR-93YJ

    "if they are like LoPhat, then their heads are stuck so far up their rear they have re-emerged as a head." -- From_Catherine

    "Lo-Phat.. Don't wash the XJ. You don't want someone to confuse it as a mall crawler.." -- Will E


  13. #13
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    Re: 85 CJ7 teardown

    I had basko engine do the work. 30 over, balance crank, rebuild kit, valve job, etc... looks amazing from what I took them.

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  14. #14
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    Re: 85 CJ7 teardown

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  15. #15

    Re: 85 CJ7 teardown

    looks good, did you scrub the block after you got it back from the rebuilder before you start your build? should be a good all around power plant for you. best if you get all the parts from a yj with the 4.0 and use in yours, shoot you might as well get the tub also.

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