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Thread: t-series diff in sr20 86?

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    Default t-series diff in sr20 86?

    Car - ae86 trueno coupe 86

    motor - 4age bigport

    use -daily/drift

    problem - diff strength?

    Hi all, i am planning an sr20det build in my 86 starting around august. I am just thinking about the diff options at the moment. I have a big axle disk brake rear end at the moment and i just fitted a trd 2 way in it. Could i just get billet axles and a 4.77 cw and p or should i just sell it and get a tarago diff with an altezza lsd? thanks

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    Veteran Todd's Avatar
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    T series simply will not hold up sorry. not only the axles, but the crown wheel will eat a dick.
    sell it, and use the 1000 bucks to source a F series and altezza setup.

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    Moderator Sam-Q's Avatar
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    R31 conversions are quite easy to do too, I am on my fourth now and I am far from being the most tallented guy

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    thanks for the replies, yeah i was thinking the same thing, just wanted to make sure. so what is involved in a r31 conversion? same as tarago? If this has been covered in another thread, just point me there, thanks

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    r31 is a good option also as sam pointed out.
    essentially it's the same as doing a tarago swap, whereby cutting/moving the trailing arm mounts, cutting and moving the spring seats and getting a custom tailshaft made up will give you a strong enough rear end.
    any capable diff shop would be able to do the conversion for you but i doubt you would see much change from 1k. best option is to DIY or phone a friend who is handy with that type of stuff.

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    Moderator Sam-Q's Avatar
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    got a toymods account? otherwise I should make an article about it, I havent been very motivated to write articles for a while now because of the lack of interest I have received

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    ok thanks. No i dont have a toymods account. is there any quality aftermarket lsd's for r31 diffs? Also is a r31 diff any wider than a tarago diff, thanks

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    Moderator Sam-Q's Avatar
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    got any spec on how wide a tarago diff is, I will post some converison info here when I get some time

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    Glenn ke_70's Avatar
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    MX13 Cessida - 3.9 - 1410mm (Same as T series/S series/KE70 BW)

    Tarago YR22 - 4.1 and 4.3 - 1435mm
    Uses a G series (Hilux) diff nose tailshaft bolt pattern (60x60mm) All other F series is 55x55mm)

    there ya go sam
    curticey of konakid

  10. #10
    Moderator Sam-Q's Avatar
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    cool, and although I dont like being spoonfed usually how are the LSD options on these

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