A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

Using 108mm flanges in rear diff

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Old Mar 29, 2007 | 10:41 PM
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Default Using 108mm flanges in rear diff

Due to rear diff change (torsen diff) I have to use 108mm flanges from the V8. Is it so that complete rear shafts from B5 S4 should fit directly to A4 with 108mm flanges i.e. the hubs are same? Can I change only the inner CV joint from S4 to A4 shaft and make it work?
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Old Mar 30, 2007 | 08:35 AM
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Default Can you rephrase the question? more inside (updated with link)

I had been looking at the V8 torsen swap for a while. The flanges are not the same, and if you can match a 108mm OD disc style CV joint that will fit onto the A4 half axle I am not sure that ther was enough clearance around the larger CV joint. There was several posts by me on AZ about this conversion.<ul><li><a href="http://www.audizine.com/forum/showthread.php?t=127264">Start here and it will take you to the original thread</a></li></ul>
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Old Mar 30, 2007 | 08:49 AM
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After reading your Q again - No you cannot use S4 axles. etka lists rears the same as the A4
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