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Thread: help!!! WHAT GEARBOX? 1981 hilux 4wd

  1. #1
    Forum Member 1st year Apprentice
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    Default help!!! WHAT GEARBOX? 1981 hilux 4wd

    as above.
    my 4speed manual box is gone its a 18r motor
    whats a good box 4 these?
    can u get a 5speed

    thanks 4 your time

  2. #2
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    Have a look at the firewall build plate.
    You'll see G40 or W40 (or something similar).
    That will tell you what box you have.

    Once you know that, you can determine which 5 speed will bolt right in.
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

  3. #3
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    sorry just had a look its a L40

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    Junior Member Backyard Mechanic
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    Whats wrong with it?

  5. #5
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    sloppy n i cant get 3gear or 4th

    i have one out of the other hilux but was hopin 2 get a 5speed

  6. #6
    Junior Member Backyard Mechanic
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    If its sloppy and wont go into gears then it is just the bushes on the bottom of the gear lever. it is a very common problem. The original bushes are rubber and i made some out of teflon when i had my old RN46 Hilux. There is a ball and socket on the bottom of the gearlever that wears out too.The socket is teflon or nylon and wears out so i made my own too.
    I was told that i couldnt put a 5 speed behind the 18R because there was no way of mating one to the transfer case.That was years ago.It would be worth checking to see if the gearbox and transfer case from a hilux with a 22R engine will bolt up. The 5 speed box is longer than the 4 speed so you would need to use the front shaft from a later model with a 5 speed because it is 50mm longer and then you would have to shorten your rear tailshaft. The later model drive shaft flanges use bigger bolts than your ute has. Yours will have 8mm bolts and the later models use 10mm bolts.

  7. #7
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    thanks 4 that dazza
    i can c what u mean about the rubber mine ant even there how did u fix it?

  8. #8
    Junior Member Backyard Mechanic
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    I made some up on my lathe by tuning down a piece of teflon. They are just like a washer with a piece that is stepped out in the centre so it fits neatly in the hole in the housing. You could probably just use washers, but the gearlever might vibrate a bit. I suppoose you could always try a toyota dealer and see if they still make the rubbers.

  9. #9
    Forum Member 1st year Apprentice
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    if i payed you would you make them?

  10. #10
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    you can get them cheap as chips I belive. I did it about a yeah ago and i think i paid about $16 from lunds im sure you could prolly get em from repco bursons etc

  11. #11
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    what are they call tho?

  12. #12
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    Gear shift bushes i think. Personaly if your going to keep the car i would do the 5 speed conversion i got a cheap 22r box and transfer 180 000klms in Cairns, QLD do the motor too hahaha i belive thats the only thing that let them down was lack of power.

  13. #13
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    how much do you want for the box?

  14. #14
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    $300 ish Andrew (07) 40 283 289

  15. #15
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    Default Re: help!!! WHAT GEARBOX? 1981 hilux 4wd

    ive prolly got the tail shafts etc to get it sorted to

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