[94SilverCab]

Yeah Man! I just picked up my 968 at the Barn and finally got the LSD that I hoped would be in by Hershey. Nevertheless, I am so amazed at how much different the car feels.

Pete tried to undersell the difference to me and told me I would feel it mostly on deceleration and through tight turns, But I have to say that the whole ride just feels more planted on all roads and surfaces.

I took the car for a cruise to New Hope and got behind some slowpoke in a minivan and pulled out to pass....LOVED to hear BOTH rear wheels chirp out of third as I rocketed passed this housewife.

Oh, while it was in I got the new braces for the power steering and A/C...obviously doesn't affect the driving but for $150 its good insurance.

I love my car more every time I get it back from Pete and Max, RS Barn strikes again !

Regards,

Jay

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[ebarone968]

Congrats Jay ! I am still enjoying my recent upgrades too ! Until the next Rsbarn visit .........

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[lbpesq]

And I thought this thread was going to be about Timothy Leary! lol

Bill

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[rxter]

Yeah man it is. Take it onto some curvies Sunday morning before the world wakes up Jay. Talk about hooked up in the turns. You'll love it.

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[mrmister]

Did you get the OS Giken? Talked to max the other day and he had just put one in my car, I can't wait to chirp the tires around a soccer mom as well. You may have seen my car while there, it is in about 10,000 pieces around the shop from what I hear.

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[94SilverCab]

MrMister...the OS unit is what they installed in my car. I have driven other LSD equiped cars, but it is hard to tell differences with someone else's car. I could feel it right away in my own.

With the supercharger you're getting you will be able to run circles around the housewives [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img]

And yes, I saw many parts of your car around the shop [img]style_emoticons/<#EMO_DIR#>/biggrin.gif[/img] . The motor is off somewhere (Probably some secret RS Barn laboratory buried deep underground), and other parts sit sadly on the ground dripping various fluids, but I just can't wait to see the finished product. You will probably be smiling the whole drive home.

Regards,

Jay

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[jeff968]

Very cool Jay. Where did you get the unit? Pete had it? ZF or Torsen? Does Pete have a preference?

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[94SilverCab]

Hi Jeff,

Yes, of course it came from RSB, no one else ever touches my car (except tires and inspection). The unti is OS Giken as MrMister suggested above.

http://www.osgiken.net/products/superlock.html

Regards,

Jay

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[wiseman]

I suppose I could just call Pete and ask....................but do you mind sharing what that conversion would cost?

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[Cloud9...68]

"I suppose I could just call Pete and ask....................but do you mind sharing what that conversion would cost?"

It's on RS Barn's web site. I don't want to give it away, but you might want to have the smelling salts handy. Looks like a very well-engineered unit, though, and I'm sure its performance is first rate. LSD of some kind would be a must with a supercharger install, I would think.

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[Lear35A]

Interesting that a unit for the 968 isn't shown on the Oskigen website. Must be VERY special. [img]style_emoticons/<#EMO_DIR#>/biggrin.gif[/img]

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[94SilverCab]

The unit is listed on the RS Barn website at $1,990. Also needed to replace some transmission bolts and the diff fluid is about $50.

Labor is about 3 hours

Had to save my pennies for a while before I took the plunge, but it is well worth it.

Regards,

Jay

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[Cloud9...68]

I have the Guard unit in mine, so I've never driven a 968 without LSD. Any idea what the difference is between the Oskigen and the Guard?

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[jeff968]

So Jay, what advancements does the OS unit offer over the original ZF or Torsen units? The price isn't that bad. Remember, LSD was a $895 option in 1992 dollars ($913 in 1993-5).
Jeff

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[rhudeboye]

I know the feeling.

My car came with LSD and I remember my surprise when, under hard acceleration, the tires burned again when I went into 2nd. Such a nice push too! But as time passes you take it for granted. I never think about it anymore.

Your post is a nice reminder of how important that little device is to our driving experience.

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[94SilverCab]

I've asked Pete to weigh in on all the technical stuff...I can only report how it feels...

Something about 50% lock up, vs. total lock-up, on decel, up hill,,yada yada...

Jay

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[RS Barn]

The OS diff is completely new technology.
It is a clutch style like ZF but had 28 plates instead of 4. It is designed to hold loads over 600hp and run much cooler.
Traditional clutch diffs have more lock on decel than accel. Usually 30/60 or 40/80 (decel) This is due to preloading the clutch pack to get added accel lockup. Too much decel lock drags the tires through corners and slows you down and wears tires quickly.
The OS diff has up to 100 percent lock on accel and only 50% on decel. The lockup is very smooth also. OS uses a patented center section with bevel gears and lighweight springs to add as much bite as you need exiting a corner.

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[rxter]

So now I guess I should feel jealous as I have the OEM part in there. But I really can't, because my buttometer says its GROOVY too [img]style_emoticons/<#EMO_DIR#>/wink.gif[/img]

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[rhudeboye]

[img]style_emoticons/<#EMO_DIR#>/smile.gif[/img] Ditto

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[JH6]

Quite a detailed description of OS Giken differential is available here: http://www.motoiq.com/MagazineArticles/tab...fferential.aspx

Now I want one [img]style_emoticons/<#EMO_DIR#>/sad.gif[/img]

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