[A4] tires, speaking of tires, anyone have any used 17's lay'n around?

[Grant Lenahan]

Of course it is.
Its all a matter of "what % torsen movement is too much?"

By the way, what's with teh T*&$#@sen stuff?

Grant
On Dec 27, 2007, at 8:58 PM, Cody Forbes wrote:

> I hate to do this, but I've got some input on this one to the  
> contrary, but
> only minorly and dealing with a different car (still valid info for  
> others
> to read).
>
> One of my 5000's needed tires bad and I was broke (I say that as if  
> I'm not
> now - yeah....right) so I could only afford to do the two worst -  
> replaced
> with same brand same size same model tire. With two tires at about  
> 3mm tread
> and two new tires (matching tires on one axle) there was no  
> perceptable
> driving issues EXCEPT if the center diff was locked for any reason.  
> If I
> were to lock the diff you could feel the binding at parking lot  
> speeds (car
> would STOP with no brake input if you disengage the clutch), and  
> you could
> hear the tires hopping and chirping as they fought each other. Then  
> you
> could not disengage the lock without driving backwards for long  
> enough to
> take the tension off of the center diff - usually about 50ft or so.
>
> Now you may say "but my car is a T*rsen, so I don't have to worry  
> about
> that". Think about it though - if theres enough differance to case  
> such
> commotion in that situation at what road speed do you think the  
> rotational
> speed is different enough to engage the T*rsen??? Speculation of  
> course, but
> I know that I'd be worried about it.
>
> -Cody Forbes
> http://www.5000tq.com
> '87 5ktq - Fast.
> '87 5ktq QLCC'd plus some
> '86 5ktqCD
> '86 5k
> '86 5k
>
> Grant Lenahan wrote:
>> Here's the scoop.  There's no magic - just 3 differentials and
>> depending on the year, ABS. All of those like zero rotational
>> differential, but can tolerate some, generally up to about 0.5% to
>> 1%.  Keep in mind that rotational differential exists whenever you
>> turn.
>>
>> The advice from audi is to replace in pairs.  But if one tire shows
>> little wear, you can replace one.  It must be identical.
>>
>> You can run different front and rear tires/brands/etc/ The usual
>> impact on under/oversteer apply. the laws of physics have nto been
>> repealed.
>>
>> Grant
>> On Dec 27, 2007, at 2:23 AM, Rocky Mullin wrote:
>>
>>>
>>> i'm not so sure about that.  but it's your car!
>>>
>>> On Dec 26, 2007, at 10:51 PM, Sean Reifschneider wrote:
>>>
>>>> quattros do not need to have all 4 tires replaced at the same time.
>>>> However, as I plan to switch to new tires, I do expect to replace
>>>> all 4.
>>>
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