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  1. #76
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    Quote Originally Posted by FLZ_Boy View Post
    I followed up my neighbors 1998 NA. His axle code is A05A, which meant its a 4.08 with an open diff, but he confirmed to me it had a torsen LSD.
    The last letter of A means it was originally a non-torsen diff, so if it is now a torsen diff then someone must have changed it prior to him owning it or he is mistaken.


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  3. #77
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    I have my doubts the original owner changed out the diff since my neighbor bought it near mint with 17,000 miles. My neighbor did open up the diff and found a torsen in it. Of course, still possible the original owner changed it out.
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  4. #78
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    Quote Originally Posted by Wreckless View Post
    JZA80 Supra Compatible Differentials:

    This is a partial list of all the differentials that can be directly bolted into the JZA80 Supra subframe without modification.

    Note that the driveshafts and axles might need to be exchanged to complete the conversion, depending on the host Supra and the differential used.


    US spec vehicles:

    92-00 Lexus SC300 auto---- 4.272:1, open, small diff, small flange

    92-97 Lexus SC300 5spd---- 4.083:1, open, small diff, small flange

    92-97 Lexus SC400 (auto)---- 3.916:1, open* small diff, big flange

    98-00 Lexus SC400 (auto)---- 3.266:1, open, small diff, big flange

    93-95 Lexus GS300 (auto)---- 4.083:1, open, small diff, small flange

    96-97 Lexus GS300 (auto)---- 4.272:1, open, small diff, small flange

    98-00 Lexus GS300 (auto)---- 3.615:1, open, small diff, small flange

    98-00 Lexus GS400 (auto)---- 3.266:1, open, small diff, big flange

    I need verification on the 00-up Lexus models, anyone with a source of this info PLEASE let me know!

    *I've personally found an SC400 in the junkyard with a 3.916:1 rear diff with an OEM LSD installed. The car was 100% stock, so I assumed this to be an OEM option, not parts-swapping from a MK4.
    Other sources indicate that no Lexus model was offered with an LSD until the IS300 debuted in 2001.
    I have confirmed that an LSD was never officially offered by Lexus in any model until the IS300. I do not understand how that SC400 came to have its LSD, but I am now 99% sure it was not installed at the factory.


    JDM vehicles: (I'm gonna need some help with this one - anyone have more data?)
    I'm uncertain about this data, if there are errors in this, PLEASE let me know so I can correct it!

    91-97 Aristo 3.0V (2JZ-GTE model, auto)---- 3.769:1, LSD standard, small diff, big flange

    91-00 Soarer 2.5GT-T (Auto and 5spd?)----- 4.083:1, LSD standard, small diff, big flange

    91-97 Soarer 4.0GT (auto) ----- 3.916:1, LSD optional, small diff, big flange
    I have bought 2 aristo TT diffs and they were open. and am 100% SURE they are for 2jz-gte aristos so LSD is not standard. yes they always have big flange
    soarer 2.5 auto and 5spd have small flange. just swapped one a couple of days ago.
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  6. #79
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    Quote Originally Posted by Magma View Post
    I have bought 2 aristo TT diffs and they were open. and am 100% SURE they are for 2jz-gte aristos so LSD is not standard. yes they always have big flange
    soarer 2.5 auto and 5spd have small flange. just swapped one a couple of days ago.
    Thanks man, a few other people have chimed in on that, and I just found a trustworthy source that confirmed it - I've updated that post accordingly!
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    Hello everyone,
    but you can make the diff TT 6-spd 93-96 EU spec: 3.266:1 all the changes in V160-V161 gearbox

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    Quote Originally Posted by Bigturbo1 View Post
    Hello everyone,
    but you can make the diff TT 6-spd 93-96 EU spec: 3.266:1 all the changes in V160-V161 gearbox
    Sorry I don't understand what you mean? Can you explain in more detail please.

  9. #82
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    Can someone please tell me the weight of the diff carrier with everything removed? (no internals, no fluid, cover, or ring gear) trying see if its under 70lbs
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    Excellent post and thread here for the members here, simply awesome!!

    Informative and educational to say the least!!


    My two cents of aftermarket performance diff installed......CUSCO one is the way to go IMHO......have it in my Supra and Evo.....the only bad thing with them is the price tag that it comes with.....

  11. #84
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    were is the code stamp on the differential???

  12. #85
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    Hoping to get some help here. Does anyone know if the JZA70, and the JZX90 8" (10 bolt) actual differential unit will fit into a GS400 rear diff pumpkin made for the 8" (10 bolt) differential unit?

    Or maybe will it fit in my stock 95 Supra n/a 5spd rear end?

    It is a LSD Small ring compatible 10 bolt differential.




    The LSD diff I have found (from Japan) Came in Market Date range Model Frames/Options Found in diagram
    Japan 08/1988-04/1993 TOYOTA SUPRA GA70,JZA70,MA70 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    Japan 10/1992-08/1996 TOYOTA MARK 2 GX90,LX90,SX90,JZX9* 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    Japan 09/1996-09/2000 TOYOTA MARK 2 GX10*,JZX10*,LX100 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    Japan 10/1992-08/1996 TOYOTA CHASER GX90,JZX9*,LX90,SX90 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    Japan 09/1996-05/2001 TOYOTA CHASER GX10*,JZX10*,LX100,SX100 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    Japan 10/1992-08/1996 TOYOTA CRESTA GX90,JZX9*,LX90,SX90 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    Japan 09/1996-05/2001 TOYOTA CRESTA GX10*,JZX10*,LX100 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    Last edited by indirocz28; 08-16-2011 at 09:59 AM.

  13. #86
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    Quote Originally Posted by indirocz28 View Post
    Hoping to get some help here. Does anyone know if the JZA70, and the JZX90 8" (10 bolt) actual differential unit will fit into a GS400 rear diff pumpkin made for the 8" (10 bolt) differential unit?
    I don't know about the JZX90 as I've never seen or used that differential, but I know for a solid 100% fact that the LSD units from a MA70 or JZA70 Supra pumpkin do not interchange with the 200mm differentials found in the GS, SC, or JZA80.

  14. #87
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    I will go ahead and assume that this is probably correct, however I am kind of being led to believe that these were the same as in the Soarer's also?

    Grrr.. I just want to find a damn LSD that will work!!!

  15. #88
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    Quote Originally Posted by indirocz28 View Post
    I will go ahead and assume that this is probably correct, however I am kind of being led to believe that these were the same as in the Soarer's also?

    Grrr.. I just want to find a damn LSD that will work!!!
    MZ20/GZ20 Soarers maybe, but definitely not JZZ30 (1991+) Soarers, as those are exactly the same chassis as the SC300/SC400 and they all use the same diff housing pattern as the JZA80.

  16. #89
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    I ran a cross reference on the PN, and it didn't match the Jzz30 soarer

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    Ok, Here is what we need (For Automatic LSD rear end)

    Part Number: 41301‑24040

    Market Date range Model Frames/Options Found in diagram
    Japan 05/1993-07/2002 TOYOTA SUPRA JZA80 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    N. America 05/1993-07/1998 TOYOTA SUPRA JZA80 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    Japan 05/1991-11/2000 TOYOTA SOARER JZZ3*,UZZ3* 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    Japan 10/1991-07/1995 TOYOTA CROWN, CROWN MAJESTA JZS14*,LS141,UZS14*,GS141 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    Japan 08/1995-07/2001 TOYOTA CROWN, CROWN MAJESTA GS151,JZS15*,LS151,UZS15* 41-01: REAR AXLE HOUSING & DIFFERENTIAL
    Japan 10/1991-07/1997 TOYOTA ARISTO JZS147,UZS143 41-01: REAR AXLE HOUSING & DIFFERENTIAL

  18. #91
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    Quote Originally Posted by indirocz28 View Post
    I ran a cross reference on the PN, and it didn't match the Jzz30 soarer
    Any additional things you could cross reference beyond the Soarer? Any way you can pull the gear ratios/ LSD options of the above?

  19. #92
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    Quote Originally Posted by Wreckless View Post
    Any additional things you could cross reference beyond the Soarer? Any way you can pull the gear ratios/ LSD options of the above?
    I'll see what I can do, I'm currently in Iraq, and have been running the past 72 hours, so I'll see if I can dig something up when we get some down time..

  20. #93
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    I have a JDM n/a 5-speed SZ Supra with JDM 2JZ-GTE V160 6-speed swap. Rear end and differential were untouched.

    So can I just get a lexux 3.26 geared differential and bolt it up and that's it? so I need limited slip differential (LSD)? I am not fully understanding this.

  21. #94
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    Quote Originally Posted by biggerT View Post
    I have a JDM n/a 5-speed SZ Supra with JDM 2JZ-GTE V160 6-speed swap. Rear end and differential were untouched.

    So can I just get a lexux 3.26 geared differential and bolt it up and that's it? so I need limited slip differential (LSD)? I am not fully understanding this.
    Yes, you can use a 98+ Lexus GS400 Complete pumpkin and housing. You will need to most likely swap over the pinion flange from your current NA rear end to the GS400 one to fit your driveshaft.

    If you want LSD,however, you would need to order a TRD unit for the 8" 10 bolt carrier housing. Then pull out the 3.26 ring gear and diff in the GS400 and swap that ring gear over to your TRD LSD.
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    SupraForums Member gfallon's Avatar
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    i checked my 95 n/a 5speed and it has the A02A diff coed. so i did get the 4.2 with mine and it did have an open diff in it also. mine was made in 12/04
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  23. #96
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    Quote Originally Posted by gfallon View Post
    i checked my 95 n/a 5speed and it has the A02A diff coed. so i did get the 4.2 with mine and it did have an open diff in it also. mine was made in 12/04
    You have a non torsen diff with the 3.769:1 ratio. The 4.1 diff is the A101A.

  24. #97
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    so a good opportunity for me has come up here.

    a buddy of mine picked up some wrecked JDM supra from Florida. Its a JDM series 2 Supra (1996.7). It has the 3.77 diff with torrsen LSD. Its a non-turbo with V161 6-speed tranny.

    he's building this as a drift car for his shop, and I talked with him, and he's willing to trade his differential for my stock NA 5-speed one as long as I cover the shipping costs.


    Do you guys see any problems with swapping these two between both cars? I just want to make sure mine works fine on his, and his works fine on mine. I wanna do it!

  25. #98
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    There should not be any issues with using each other diffs, as they will be externally identical and will bolt up just fine.

  26. #99

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    Hello guys,

    Will 41301-RA010 (TRD LSD for Toyota Altezza) fit in NA Auto rear end ?

    Will it need to change the gear ring? Or what mods will it need ?


    Thanks!

  27. #100
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    Quote Originally Posted by bequa View Post
    Hello guys,

    Will 41301-RA010 (TRD LSD for Toyota Altezza) fit in NA Auto rear end ?

    Will it need to change the gear ring? Or what mods will it need ?


    Thanks!
    It will not fit a MKIV rear end:

    41301-RA010 SUPRA
    Toyota Supra GA70 86.2-88.8 1G-(G)E (side bearing is required) (Bearing replacement unnecessary for 1G-G model with optional L.S.D.)

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