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-   -   OS Giken Super Lock LSD Install (https://www.ft86club.com/forums/showthread.php?t=128184)

Ruben_86_ 08-29-2024 06:30 PM

Quote:

Originally Posted by RedReplicant (Post 3608296)
That means 55* ramp on both accel and decel sides
224kg of internal spring pressure
10 clutch plate pairs (20 plates total)
10s refers to preload but its relative to everything else

Anyway, it's a "2 way". Whether this is a setup you actually want is a question for someone like Jon at Shaftworks https://shaftworksusa.com/

Thank you very much, very good information.

Ruben_86_ 12-10-2025 04:22 AM

Finally I bought an OS Giken directly from Japan, since I live in Europe and the costs of importing something from the United States are very expensive.

The 20 discs are configured to work


http://ibb.co/YBMbMkr1


https://postimg.cc/hX9BYLTD

The ramps are 25/45

https://ibb.co/N6KZnL07

I think it's interesting information, although I don't have the knowledge to determine if this will work correctly for my road use and some track weekend.

autoracer86 12-11-2025 06:24 PM

Quote:

Originally Posted by Ruben_86_ (Post 3617634)
Finally I bought an OS Giken directly from Japan, since I live in Europe and the costs of importing something from the United States are very expensive.

The 20 discs are configured to work


http://ibb.co/YBMbMkr1


https://postimg.cc/hX9BYLTD

The ramps are 25/45

https://ibb.co/N6KZnL07

I think it's interesting information, although I don't have the knowledge to determine if this will work correctly for my road use and some track weekend.

Is Japan really cheaper then the US ? Both are outside the EU afterall

Ruben_86_ 12-12-2025 05:48 AM

Quote:

Originally Posted by autoracer86 (Post 3617666)
Is Japan really cheaper then the US ? Both are outside the EU afterall


€1400+shipping+customs VS €820+€80 shipping+customs


os giken is Japanese, you avoid an intermediary

Ruben_86_ 03-11-2026 12:26 PM

After using the OS Giken for 3000km on roads and a trackday in the wet that became a DriftDay �� I can assure you that all the qualities that Mike CSG has said are true.

It does not make additional noises once you use the 80W250 liquid.

The control of the rear has become much more accurate

The angle of drift that you can use without doing a spin is much higher

I leave a video in case anyone is interested in seeing it.



https://youtu.be/XkBVGB5LWl0


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