View Poll Results: What new motor for my MS123 tow car?

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  • 1UZ-FE half cut, use factory control systems

    53 63.10%
  • 1UZ-FE eng+trans, aftermarket ECU

    20 23.81%
  • 2JZ-GE half cut, use factory control systems

    2 2.38%
  • 2JZ-GE eng+trans, aftermarket ECU

    9 10.71%
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Thread: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

  1. #1
    wanker Backyard Mechanic MS-75's Avatar
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    Default MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    Right.

    My Supercamry runabout has been sold, so I'm picking up my next daily this weekend-a 1983 MS123 Crown in metallic light blue. It's in good nick, zero rust, and the interior is very neat.

    Single problem it has though-clapped out 5M on LPG.

    The options as I see them-

    #1 1UZ-FE + auto (which model crown cut do I need)
    #2 2JZ-GE + auto

    This car will be used to tow my 10 second crown around (and probably all the way up to QLD for Jamboree) and daily driving duties. (the LPG wil be retained)

    So-do I buy a half-cut and swap everything in, or do I buy a motor and trans and put an aftermarket computer on it (cheapish one)?

    Discuss eggheads.
    [email protected], WSID, COMPAK ATTAK, MAY 2006

  2. #2
    Yep they look great Carport Converter gianttomato's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    I voted the wrong one. Factory controls on the 1UZFE. Get Crown UZS131 half cut.

  3. #3
    Junior Member Backyard Mechanic Hokey's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    V8 will be helpful when towing and probably be cheaper than a 2JZ aswell. like gt says a UZS131 cut would make the whole job easy as

  4. #4
    wanker Backyard Mechanic MS-75's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    Anyone got any UZ131 pics? Are they a front-strut arrangement, or wishbone?

    Is the UZ131 a Rack&pinion? Perhaps then I can use the steering and brakes off it too.

    Looks like the full 1UZ front-cut is going to be the winner.............

    A nice shift kit in the auto will also be mandatory.
    [email protected], WSID, COMPAK ATTAK, MAY 2006

  5. #5
    Junior Member Backyard Mechanic Hokey's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    http://forums.toymods.org.au/index.p...a98d907f854039
    there is an engine bay shot in there that might help. can't really see much. bout 2/3rds way down the page

  6. #6
    Yep they look great Carport Converter gianttomato's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    UZS131 has wishbones and steering box.

  7. #7
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    UZS131 is the MS137's cousin.

    Its identical to the MS137 with a 1UZ shoved in it, comprimise after comprimise.

    Me thinks Mr Toyota needed a car to put the 1UZ in, so they shoved it in an MS137 Crown and went BAM.
    This can be told by the fact its the only 1UZ on a lean, the only 1UZ without a dual exhaust, the only 1UZ with seperate auto/engine ecu's (like some 7M's), the only 1UZ with a slipyoke transmission...


    So yes, concur with others. UZS131 cut, UZS131 control system.
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

  8. #8
    Junior Member Backyard Mechanic
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    1UZ-FE from a UZS131.

    You could do it in a week.

    I posted some pics up in another thread the other day of a 1UZ sitting in an MS83. The MS123 would be even easier to fit up.

  9. #9
    wanker Backyard Mechanic MS-75's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    Excellent.

    I've had enough fabrication whilst building the Coupe to last me a freakin lifetime.

    Now-any suggestions on a source for a quality 1/2 cut?

    How are our two site sponsors for that sort of stuff?
    [email protected], WSID, COMPAK ATTAK, MAY 2006

  10. #10
    Yep they look great Carport Converter gianttomato's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    CVAP excellent. I try and buy most of my big crap from him.

  11. #11
    wanker Backyard Mechanic MS-75's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    I trust your judgement there Dave-so CVAP it will be.
    [email protected], WSID, COMPAK ATTAK, MAY 2006

  12. #12
    Junior Member 1st year Apprentice Cplus's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    so whats your dad driving now?

  13. #13
    wanker Backyard Mechanic MS-75's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    Dads driving a 1992 SWB Patrol with a 4.2 diesel and shift kitted auto. Tomorrow I get the custom turbo manifold I ordered for it, and will then be fitting up the Holset blower, Tial wastegate and intercooler.

    Towing monster.......

    When are you coming home to OZ??
    [email protected], WSID, COMPAK ATTAK, MAY 2006

  14. #14
    Junior Member 1st year Apprentice Cplus's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    home to visit or home for good?

    everyone is asking that lately!!

    do you miss us or something??

  15. #15
    potato Automotive Encyclopaedia joecoolmk2's Avatar
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    Default Re: MS123 Conversion Poll, 1UZ-FE or 2JZ-GE?

    not really related to your car, but mine, i'm interested in a shift kit for my 1uz, anybody know where you can get them, and how much and if they work well? or do you think stock is pretty good?
    just want to give mine the occasional( ) winding up, i'm not gonna go all out with engine mods, just the simple ones.

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