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Location:
Ipswich
Registered:
May 2002
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Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Wed, 11 February 2004 05:59
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How compatible are the bits and pieces of these diffs? I know they are both T-series diffs, but that's about all I know about them.
I've think I've got access to an AE86 LSD diff (OEM 1 way LSD), but it's overseas so rather hard to ship here. I was thinking of shipping just the center and possibly the disc brake setup if it fits my TA22 diff housing...
So, assuming the AE86 diff is of the earlier design (kouki? zenki? I forget, the smaller axle sort), I'm assuming the centers will be interchangeable?
For the disc brake setup, will they bolt onto the drum brake housing? Are the bearings the same? Or will I need to get the disc brake bearings too?
Thanks 
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Wed, 11 February 2004 06:07
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smaller axel type is the zenki (83-85)
25mm splines i think... NOT sure on this
kouki are bigger my 1 mm
if you have zeki diffhousing with zenki axels then any zenki type lsd center will be fine. oem or aftermarket
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Location:
Ipswich
Registered:
May 2002
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Wed, 11 February 2004 07:33
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okay
zenki just means the age type of AE86, nothing else
the ta22 dif wont be "zenki" as it just a name for early model ae86. the ta22 diff might be the same t series diff, but im not sure
refer to this thread for further details on AE86 naming conventions
http://forums.toymods.org.au/index.php?t=msg&t h=28856&start=0&rid=964&S=54da84da2a8a 4f696400a199101fc3a5
now about the axels you are right, i was wrong sorry
zenki type lsd is 24mm
kouki type lsd is 25mm
im not sure if the t series diff's between the ta22 and the ae86 are the same, that is what you need to find out..
maybe just use an ae86 T-Series diff under the ta22?
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Wed, 11 February 2004 08:13
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Oh cool thanks for that. Hmm, I don't have my TA22 diff yet, so can't measure the axles...
It's actually going into a KE35 Corolla, and I already have (have being a loose term here, I've paid for it, I haven't gotten it) a TA22 diff almost ready to bolt in (just needs the spring mounts moved about 10mm), but it has no brakes, and it's a locker. So I can either get some stock TA22 drum brakes, or I can try to fit a disc brake setup on it. I'd also like to get an LSD instead of running the locker as the car is a street driven car...
Besides, AE86 T-series diffs are kinda hard to find and amazingly expensive here in Australia... And shipping one from overseas isn't that much cheaper once I factor in shipping costs, which is why I was hoping to just get the "good" bits
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Location:
Brisvegas
Registered:
June 2003
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Wed, 11 February 2004 09:31
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fwiw the lsd center from the t series ae86 isnt that crash hot. Most are well worn by the time they reach here from japan. For the money you'll be spending buying/shipping it your better off getting an aftermarket center. I'm not saying the t series center is crap but i think you could do better for the price (most t series rears have aftermarket lsd by the time they're imported anyway)
how much were you quoted to purchase the t series center and have it shipped over?
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possible that they may fit in the ta22. I knew a rally guy who put a sprinter center into a ta22. However there are 2 centers available for the sprinter. Zenki and Kouki. And they are slightly different.
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quote sourced from patr1c from some long lost thread...it looks like it's doable. although i have no idea how much fabrication is involved
kristian from japaneseimportparts.com has a trd 2 way for $600 as a guide
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Wed, 11 February 2004 12:23
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Hmm, I suppose that's something to think about. I don't know about shipping yet, but at the moment it looks like I might be able to get it landed here for about $300 or so.
And yes, am aware that there are 2 different types of AE86 diffs, and I was told ages ago that the TA22 is of the earlier type (so smaller axle), but not sure how true this is.
I emailed Kristian awhile ago about getting an LSD, but he hasn't replied to me... Maybe might email him again... And there's another company in Brisbane (option1garage) that have them for $770...
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Wed, 11 February 2004 12:30
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go with option garage
just my opinion
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Wed, 11 February 2004 12:32
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Yeah the option1garage people seem like a good bunch...
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Location:
Terrigal
Registered:
May 2002
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Wed, 11 February 2004 23:23
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If it is on OK condition and you can get it in for $300, then it is probably worth getting. If it doesn't work, you can always palm it off for $300.
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Wed, 11 February 2004 23:27
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Joel: I believe it's at the spline.
Like so (from club4AG):
Thanks
I've also been told that the disc brake setup will bolt onto the drum diff housing as long as it's a T29x housing, is the TA22 T-series diff (I understand some of them are D series) a T29x?
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Wed, 11 February 2004 23:48
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The axle retaining plates may be different. The backing plate on the drums will be thinner than the mount for the caliper. If you use the TA22 retaining plate, the bearings will be loose.
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Location:
Ipswich
Registered:
May 2002
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Thu, 12 February 2004 00:06
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The retaining plates are the bits that bolt to teh end of the housing. The bearings need to be pressed off the axle to get the retaining plates off. Thay may complicate the acquisition of them.
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Thu, 12 February 2004 00:22
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Hmm. Yes, interesting, I hadn't thought about that. I suppose though, if I were to drop the idea of bringing the AE86 disc brake setup in, and go for something local (ie Pintara etc), I'd still need to fabricate some sort of retainer plate with a spacer to hold the bearing in place wouldn't I? Because I'd imagine any setup I come up with would be similar to the stock setup?
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Thu, 12 February 2004 00:56
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I am in the process of converting to a corona RT141 disc set up in my celica. It all pretty much bolts together. Just make sure that you either buy the whole diff or get the axles with the brakes, that way you get the retainers with it. The corona brakes are bigger than the sprinter ones anyway.
Ditch the brakes and bring in just the centre.
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Thu, 12 February 2004 01:06
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Ah, so you're using the RT141 brakes with the Celica T-series housing?
Interesting
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Location:
Terrigal
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Thu, 12 February 2004 01:17
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It'll actually be on a F series housing.
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Thu, 12 February 2004 01:21
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Ah okay... So the same as that tech article in the Tech section... Will they bolt onto the Celica T-series housing too? Or would that be a whole different ball game again?
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Thu, 12 February 2004 01:34
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I have them (T and F and RT brakes) in bits at the moment, give me a couple of days and I will drag them out and check for you. Unless someone else can confirm same?
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Thu, 12 February 2004 01:35
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Thanks Heaps
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Location:
Fl
Registered:
February 2003
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Thu, 12 February 2004 03:11
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I put a ae86 lsd into my ta27 it fit right in the only thing I had to do was to chop 40 thousandths of an inch off each axle so they would seat like they were supposed to once installed. I also put the disc brakes off the same rear end onto the rear of the celica. A little modififcation was required but not much. Total investment was about 20.00 in parts and the parts from the salvage yards. If you want more info let me know I did a tech article ao classic-celica.com but they changed the site and i think the thing was lost. Go to the site www.classic-celica.com and ask AJR he could tell you for sure about the tech articles and if they are still availabe. If not let me know and i will see if i can find them and e-mail them to you Cheers Be Safe
Greg
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Thu, 12 February 2004 04:34
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Hmm, can't find anyone by the name of AJR on ClassicCelica 
If you have the article still could you email it to me? fookseung@hotmail.com
Thanks!
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Sun, 15 February 2004 23:35
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Wel I can confirm that the RT brakes will bolt up to an RA28 diff. You may have to move the shock mounts though. And don't forget that your brake bias will likely need to be adjusted or alternativey a different master cylinder fitted.
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Sun, 15 February 2004 23:39
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gold28: Cool thanks. I need to move the spring/shock mounts anyway as my car has leaf springs 
Still trying to find out if my diff is a D or T series thing...
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Sun, 15 February 2004 23:44
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Yeah I saw your other post, you want to count the number of bolts/studs on the front of the housing. You will be able to see the nuts around the cast centre section without pulling the diff apart.
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Sun, 15 February 2004 23:52
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In that case I have 10. From the outside of the diff, I can see those 10 bolts, and there is a "D" and "19" stamped on the cast center section. There's also a serial number of some sort, I've forgotten what it is now...
Having 10 bolts would lead me to think it is a T series (although I suppose this could be unreliable), but my axles don't seem to match either the early or late T-series axles (I think they were 23.75mm - close enough I suppose)...
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Mon, 16 February 2004 04:19
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There, thought I'd put a photo of a diff up with arrows indicating which bolts I'm counting
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Mon, 16 February 2004 20:13
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Measured the crownwheel last night, it looks to be closer to 6.62" than 6.7 (not much difference is there!) so I'm guessing my diff is a D...
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I supported Toymods
Location:
Perth, WA
Registered:
May 2003
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Mon, 16 February 2004 20:33
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Cant you just look on the build plate on the car which you got the diff from? or isnt that possible
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Location:
Ipswich
Registered:
May 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Mon, 16 February 2004 20:47
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If it was that easy I would have done it already instead of driving halfway across town 3 times to measure stuff No, unfortunately I bought just the diff, it had been lying in someone elses garage for quite awhile, the donor car is loooooooong gone...
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I supported Toymods
Location:
Perth, WA
Registered:
May 2003
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Tue, 17 February 2004 07:50
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i'd say its a d series then
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Location:
Melbourne
Registered:
August 2003
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Tue, 17 February 2004 13:08
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Cant you just look on the build plate on the car which you got the diff from? or isnt that possible
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Often not that simple, some early TA22 build plates don't note data for manufacturing plant, transaxle, etc. etc. I'm still not sure if I'm running D or T diff, but presume D.
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I supported Toymods
Location:
melbourne.victoria.austra...
Registered:
June 2002
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Re: Compatibility: AE86 LSD diff (T293?) and TA22 diff
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Tue, 17 February 2004 18:42
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what SSI said. mine doesn't denote any of that, no diff number nothing!
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