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S4 LSD Center Section Question

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Old 06-28-16, 03:26 PM
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MI S4 LSD Center Section Question

I got an S4 Clutch type LSD center section the other day (center section only, so no rear portion/cover/mount or stub shafts for the half shafts. I am wondering i can do anything with this to adapt it to me 88 NA diff? I have read that LSD guts into an NA case will not work, but will NA cover/stubs work with LSD center section? Is it simply better to find a complete S4 LSD than waste time trying to make this one work?

Thanks in advance for any help!
Old 06-28-16, 07:59 PM
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Nothing will work, everything is a different size.

You're better off finding a complete diff
Old 06-28-16, 10:23 PM
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I already have the mazdatrix na trans to turboII drive shaft. So I can't use the cover/mount end from my na and bolt it to my lsd center section? I know I would need to order s4 lsd snub shafts. I also already have turboII half shafts.
Old 06-28-16, 11:51 PM
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You're trying to mix and match stuff that won't fit anything.
The N/A to TII driveshaft will need to be attached to a TII Diff.
So why not save everything and get a TII Diff,since you say you have the axles already?

The Axles will fit the rest of the car no problem.
Old 06-29-16, 08:01 AM
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I have the s4 turboII diff, when i say center section i have the pinion, housing, lsd, only thing i do not have is the other half which resembles a cover to me on a traditional truck differential w/ the integrated mounts. Hopefully images below clear this up, this is what i have currently from the TurboII, plus the halfshafts and i have my complete NA diff.


Old 06-29-16, 08:24 AM
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I have the s4 turboII diff, when i say center section i have the pinion, housing, lsd, only thing i do not have is the other half which resembles a cover to me on a traditional truck differential w/ the integrated mounts. Hopefully images below clear this up, this is what i have currently from the TurboII, plus the halfshafts and i have my complete NA diff.


Old 06-29-16, 10:08 AM
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you cannot use the "cover" from the na diff to answer your question, the t2 "cover" is larger, due to the internal ring gear being an inch larger.

3 options
1 you either need to find a na lsd and swap it into your na diff, reuse driveline and half shafts
2 find a na lsd rear diff , reused driveline and halfshafts

3 find a complete t2 rear diff, (I doubt youd find just the "cover" for sale), then get a t2 driveline, and t2 half shafts

I see the t2 stub axels in the pic, you need the whole shaft that goes to the hub, just to clarify if u have those or not?

Last edited by KompressorLOgic; 06-29-16 at 10:13 AM.
Old 06-29-16, 03:22 PM
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I do not have the them, but i have a part number and could get them
Old 06-30-16, 02:48 PM
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Originally Posted by KompressorLOgic

3 find a complete t2 rear diff, (I doubt youd find just the "cover" for sale), t
NOOOOOOOOOOOOOOOOOOO!!!

why did i crap my cover to my diff 3 years ago.. why did i assume i wil just snag another one later... gahhhh
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