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R32 Gts-t Diff, Is It Viscous? If So Shimming?

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Rolls Grand Master

Rolls

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Is the R200 shortnose a viscous or clutch type diff in the R32 GTS-Ts?

Reason I ask is mine is opening up pretty bad and makes it quite unpredictable to drive. If it is viscous would adding more preload via wider diff shims be of any benefit? Or will it just make it harder to open up but will still be the same on full power?

Can the viscous oil be changed to something thicker?

If not guess I'll be looking for a nismo 1.5 way or something, wouldn't mind a cheap fix in the time being though. Only have 200kw and cant put it down in 1st or 2nd.

Rolls Grand Master

Rolls

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Posted it in the other thread but I will post it in here as well:

Has anyone considered changing the actual viscous fluid in the LSD centre? As changing the preload is really just a tightass hack that won't really work that well. It either locks or open wheels sort of thing, no middle ground where its like 50% locked. The only time you could achieve the nice medium is if your diff was still in good condition and not completely open wheeling.

I've heard of people putting thicker fluid in the viscous centre in 300zx's etc so surely it can be done here, is the centre serviceable, like can it be unbolted and pulled apart? If so it would just be a matter of finding out what fluid is currently in there and replacing it with something thicker.

Anyway let me know if anyone has done this before or knows if the oil can even be changed.

edit: Perhaps I am wrong but I am assuming that the diff centre is sealed and uses a different oil to the actual diff crown and pinion, if not could we just experiment with putting thicker oil in the diff itself? Would make the car slightly more sluggish, but might make a big difference.

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