[urq] Audi Axle Lengths Question

[af]

Given the small diameter of the axle would slight variance in diameter resulting from welding really cause vibration? I would agree that if it was not welded straight it would be an issue but it is hollow right so I could slip a rod down the center for alignment? Thanks. Andrew. 

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On Sep 17, 2013, at 12:33 PM, "Patrick Carlier" <p.carlier at pandora.be> wrote:

> To my knowledge there  is no bolt on solution for this , except to use the entire
> front suspension , subframe and driveshafts from an S2 .
> 
> For the other typ85 quattro's it is possible to use later coupe or 90 7A-20V driveshafts .
> The type 85 CV joints magicly fit . Helas , the ur-q CV joints do not . .
> 
> The only small chassis car that has the beefier axles of the right lenght for a 01E conversion is the (R)S2 .
> But then the outer cv joints don't fit the urq hubs , the S2 hubs don't fit the ur'q bearings , the ur-q cv joints don't fith the S2 shafts .
> I've tried it all . As far as I know , there 's no combination that will work without some degree of machining .
> 
> Best options are to modify S2 hubs to make them fit the urq bearings and use S2 driveshafts .
> Can be done on a lathe , it's not even that hard .
> Or as you suggest use a short axle and machine some kind of shim .
> Theasme has to be done to the centre driveshaft btw , btdt a couple of times .
> 
> I'm a pretty decent welder myself , and cutting and rewelding a driveshaft would scrae me to .
> Not for the lack of strength , but for balance .
> The slightest warpage will cause vibrations .
> 
> 
> Good luck
> 
> Pat
> 
> 
> 
> 
> 
> ----- Original Message ----- From: "AF" <afinn1 at gmail.com>
> To: "urq" <urq at audifans.com>
> Sent: Tuesday, September 17, 2013 5:38 PM
> Subject: [urq] Audi Axle Lengths Question
> 
> 
>> Folks, I desperately need a funky axle to work with the 108mm UrQ inner CVs
>> for my 01E swap. I seem to have 3 options. Either someone knows of an axle
>> length chart for the type 85s and Type 44s (4000s and 5000s) and I
>> magically find a stock axle that is 15mm shorter than the long UrQ side
>> (maybe an automatic turbo 5000?) 2. Someone has a short UrQ axle from an
>> UrQ or the rear of a 1984 4000Q that they would part with? 3. I cut and
>> reweld my long UrQ axle to remove 15mm... which scares me.
>> 
>> Any help is appreciated. Thanks.
>> 
>> Andrew Finney
>> 1985 UrQ V8
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