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Need Help With Os Superlock Install

SLY33
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SLY33 Mentor

SLY33

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Hi all,

My OS superlock 1.5 way diff from greenline is being installed at my workshop, and they told me that i needed another diff centre to obtain another half shaft in order to install it. Something about different lengths or equal length shafts needed (obviously im not a mechanic, im not even sure what these half shafts are, something inside the diff im told). I havent spoken to the shop yet, but the next message i got was they think the diff could be the wrong model or something.

Would really appreciate if someone who has installed an OS superlock 1.5way diff could shed some light. I assumed that the diff would be a simple drop in type deal, as greenline usually states any extras that are needed to fit each item, if its not supplied.

Thanks for any help guys

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9krpm Mentor

9krpm

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Is the engine still in the car?

When I tried to get a front mechanical diff, the SA OS Giken distributor's mechanic said that it's a sump off job/a lot of grinding and sold me the carbon ATS instead. The carbon ATS diff installation was straight forward with the sump still in the car.

I am actually selling the engine with the ATS diff atm. The engine is at my friend's workshop in SA. The ATS 1.5 way front diff only had around 1 drag day and 2 track days so it's barely broken in. If you want an sump with an installed diff drop me a pm SLY33.

SLY33 Mentor

SLY33

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a bit of light shed, apparently the OS diff requires Z32 half-shafts, which will fit up to my 5 bolt driveshafts. GTR half shafts can also be used but as they run a 6 bolt pattern they require matching GTR driveshafts. So currently waiting on some Z32 shafts, and will update on the situation in case anyone else has a OS superlock on order.

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