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Thread: JZA80 A01A w/ W58, fit LSD?

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    Junior Member 1st year Apprentice ark_112's Avatar
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    Default JZA80 A01A w/ W58, fit LSD?

    Hi Guys,

    I don't know a lot about diffs, I have a jza80 with a01a and w58 gearbox just wondering what would be the best option to fit an LSD?

    Cheers,
    Chris

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    doctor ed Conversion King ed's Avatar
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    Default Re: JZA80 A01A w/ W58, fit LSD?

    ao1b bolt in

    or buy an lsd centre
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    Junior Member 1st year Apprentice ark_112's Avatar
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    Default Re: JZA80 A01A w/ W58, fit LSD?

    thanks, do you know of any online stores that sell a suitable lsd centre?

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    Junior Member 1st year Apprentice ark_112's Avatar
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    Default Re: JZA80 A01A w/ W58, fit LSD?

    if I put in a diff with a ratio such as 3.7:1 compared to the standard 4.08:1 what would the side effects be?

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    Hardly a Domestic Engineer Sciflyer's Avatar
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    Default Re: JZA80 A01A w/ W58, fit LSD?

    it will suck

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    Junior Member 1st year Apprentice ark_112's Avatar
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    Default Re: JZA80 A01A w/ W58, fit LSD?

    lol ok. i thought it would be really un-responsive with a lower diff ratio is that right?


    I will wait till I can find a 4.08 lsd.

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    Hardly a Domestic Engineer Sciflyer's Avatar
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    Default Re: JZA80 A01A w/ W58, fit LSD?

    a 3.7 in an n/a Supra will be a complete slug, so 4.08 is the way to go

    (actually, the US-spec 4.27 would be the way to go, but thats another story)

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    Junior Member Carport Converter ecko's Avatar
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    Default Re: JZA80 A01A w/ W58, fit LSD?

    i have a soarer diff mate it needs a rebuild but would suit welding

    or use it to have a aftermarket centre put in it so your car doesnt have to be off the road for too long

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    Custom ****** 1st year Apprentice
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    Default Re: JZA80 A01A w/ W58, fit LSD?

    Quote Originally Posted by ark_112
    if I put in a diff with a ratio such as 3.7:1 compared to the standard 4.08:1 what would the side effects be?
    If its a 3.77 its probably out of a auto TT and the axles etc are different (larger than n/a).
    JZA80 Supra Aerotop undergoing 3UZFE VVTi / Getrag 6 Speed conversion + Boost

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    Junior Member 1st year Apprentice ark_112's Avatar
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    Default Re: JZA80 A01A w/ W58, fit LSD?

    Quote Originally Posted by ecko
    i have a soarer diff mate it needs a rebuild but would suit welding

    or use it to have a aftermarket centre put in it so your car doesnt have to be off the road for too long
    Will it fit on the a80?

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    Current UZA80 owner Chief Engine Builder JustCallMeOrlando's Avatar
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    Default Re: JZA80 A01A w/ W58, fit LSD?

    Quote Originally Posted by cyberdiamond
    If its a 3.77 its probably out of a auto TT and the axles etc are different (larger than n/a).
    Interesting, are you able to elaborate on that for us? The auto would've had an A-series diff?
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    Junior Member Carport Converter ecko's Avatar
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    Default Re: JZA80 A01A w/ W58, fit LSD?

    Quote Originally Posted by ark_112
    Will it fit on the a80?
    yeah as far as i know is the excact smae diff

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    Default Re: JZA80 A01A w/ W58, fit LSD?

    Quote Originally Posted by JustCallMeOrlando
    Interesting, are you able to elaborate on that for us? The auto would've had an A-series diff?
    Quote Originally Posted by ecko
    yeah as far as i know is the excact smae diff
    Sorry for the late reply, when I got email notification I was busy and thought i'll reply later but forgot.

    I know it was not direct bolt in
    The N/A axles are different (thinner) than the TT axles.

    I'll clear it up.

    The N/A axles (although thinner) are ok to bolt on the TT auto diff but the N/A tailshaft is different.

    The length is the correct but the flanges on the diff(s) are slightly different so they won't bolt up.
    You need to use the Auto TT tailshaft as well.
    Last edited by cyberdiamond; 16-05-2009 at 09:58 AM.
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