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Old 04-13-2015, 08:01 AM   #21
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Originally Posted by KenDFW View Post
Boxster 2.5/2.7 uses 8mm bolts (That's why I had to swap axles)
so which axles did you use? The 2.7 axles do not bolt up to this transmission?

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Old 04-13-2015, 08:57 AM   #22
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Anyone know if the Audi transmissions are offered from the factory with an LSD option?
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Old 04-13-2015, 10:47 AM   #23
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Originally Posted by Lobo1186 View Post
so which axles did you use? The 2.7 axles do not bolt up to this transmission?
I used the 2.7 axles for the swap. The Audi transmission flange uses 10mm bolts, whereas 2.7 use 8mm. You can see in the pictures, I pulled out a flange.
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Old 04-13-2015, 10:49 AM   #24
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Originally Posted by Stroked & Blown View Post
Anyone know if the Audi transmissions are offered from the factory with an LSD option?
I was actually doing research about before the swap. Some people retrofitted lsds from other Audis, and there are aftermarket companies that make lsds that fit in the a4 transmission.

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Originally Posted by The Radium King View Post
cool. i ask because the torsen (similar to quaif) automatic torque biasing rear differential from a v8 audi will go into an audi 012 5-speed with just a bit of machining. apparently easily found at wreckers. the issue is that the diff will only accept audi axle flanges. apparently this is an issue for the 944 guys (they have an audi 016 in the back of their cars) put perhaps because they use 8mm axle bolts as well. otherwise a $200 solution to the $2000 limited slip issue.

That was the actual research I was doing! Ultimately, it boiled down to time as I wanted to throw the audi tranny in the car and get going.

Last edited by KenDFW; 04-13-2015 at 10:52 AM.
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Old 04-14-2015, 08:34 AM   #25
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Nice job Kenny.
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Old 12-28-2020, 02:28 AM   #26
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Originally Posted by KenDFW View Post
Hi Radium King! I have the old audi axles in my garage along with the oem bolts.

Boxster 2.5/2.7 uses 8mm bolts (That's why I had to swap axles)

So the Boxster S uses 10x50mm bolts
The 1.8 A4 FWD axle bolts are 10x48mm 12mm triple square head bolts

So- the bolts will work and screw in.

I can take measurements of the axles. If the audi axle pattern will work with the Boxster S cv joint pattern, then this will get interesting. There are 6 holes, and the bolts will thread.

It wouldn't surprise me as Porsche and Audi share some parts!
Drudging up an old thread here. Did we ever determine if the audi axle and pattern matches the 986S?

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