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Discussion Starter #1
Got a 2000 RPO code of GU6. That is a 3.42:1 rear gear ratio.
I'm looking for a limited-slip unit to swap in.

Does anybody know what size rear gear this would be?
Does anybody know what spline count the axle would be?
Who might?

Thanks
 

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2WD? That should be a 7.625" gear and 28 spline axles.

The only different 2WD rear was a 8.5" but from what I hear is only avail with 3.08 ratio and 5 speed trans in 2WD.

8.5" is also on ZR2s, and an option on 4WDs

Get a Zexel-Torsen from SLP while they last! http://www.slponline.com/view_product.asp?PARTNUMBER=64501T
 

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T/A drivin foundin member
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mkgearhead said:
2WD? That should be a 7.625" gear and 28 spline axles.

The only different 2WD rear was a 8.5" but from what I hear is only avail with 3.08 ratio and 5 speed trans in 2WD.

8.5" is also on ZR2s, and an option on 4WDs

Get a Zexel-Torsen from SLP while they last! http://www.slponline.com/view_product.asp?PARTNUMBER=64501T
older 1st gens have 26 spline 7.5's
 

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Freak of Nature
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How do you determine if you have an 8.5"?

I have a '95 with a 3.08 single track rear and a five speed. Is the pumpkin a different shape or bolt pattern? Do I have to pop the cover off and measure the ring gear? Thanks for any info you can provide.:thumbup: :confused:
 

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No problem! :D
 

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Discussion Starter #8
Guy at SLP said there was a tech article on the Zexal install on this forum. I can't find any tech articles on this forum. Did I miss something?

What I am looking for:
Ring -? carrier bolt torque
Carrier bearing cap bolt torque
Zexal center carrier housing bolt torque
Diff cover torque.
Get a new gasket, RTV or both?
What weight oil to use?
How much oil?

Thanks (Any idea if the Zexal cam on an 89 Firebird?)
 

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You might have to register there (free)

I am already registered so the link works ok for me.
 

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Discussion Starter #14
An LSD and Torsen do the same function.
Difference is an LSD uses clutches, which eventually need replacement. Torsen's have no clutchs.

i.e. Less you have too much $, or your LSD is failing, you don't need a Zexel-Torsen.

On the other hand, (there are 5 more digits)
If you have the basic one wheel drive spider gear differential, $99 is a bargain to get LSD performance.


Differential units generally go fo $350 and up.
 
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