[s-cars] Do all 4 tires have to be the same

[Cody Forbes]

A Torsen won't fail, but the friction washers will wear and reduce its effectiveness. Hard thing to notice.

-Cody Forbes (mobile)

> On Dec 19, 2016, at 11:12 AM, Michael Wakefield <S4Quattro at comcast.net> wrote:
> 
> Has anyone EVER heard of differential problems due to running mismatched tires? I think we may be over thinking this.
> Mike Wakefield
>> On {December19}, at 8:28 AM, Jeremiah Curry <jeremiah at curryclan.net> wrote:
>> 
>> I suspect many have replaced a single tire due to a puncture.  Even if the tie is the same brand, model, and size most of us will not have the new tire shaved so it will have a different circumference.  I suspect the difference is small enough that it will not cause problems.
>> 
>> This also happens if you have a full size spare and include it in the rotation like I do on my AWD landcruiser.
>> 
>> Jeremiah
>> 
>> -----Original Message----- From: Manuel Sanchez
>> Sent: Monday, December 19, 2016 5:15 AM
>> To: s-car-list at audifans.com ; trodri69 at gmail.com
>> Subject: [s-cars] Do all 4 tires have to be the same
>> 
>> 
>> 
>> Tom
>> 
>> Depending on the shop you could have the new tire shaved down to the approximate depth of your existing tires once you find a new tire with the similar circumference. Shops that sell track tires may be your best bet
>> 
>> -manny
>> 95.5 urS6 Avant (RS2'd)
>> 
>> 
>> 
>>> 
>>> Message: 4
>>> Date: Sun, 18 Dec 2016 22:59:18 -0500
>>> From: "Tom Rodriguez" <trodri69 at gmail.com>
>>> To: <s-car-list at audifans.com>
>>> Subject: [s-cars] Do all 4 tires have to be the same?
>>> Message-ID: <005201d259ac$461e8d20$d25ba760$@gmail.com>
>>> Content-Type: text/plain;    charset="us-ascii"
>>> 
>>> I know that given our Quattro system we must run the same size tire on all
>>> four corners, but do they all have to be the same make and model?  I
>>> recently damaged the sidewall of one of my snow tires so it cannot be
>>> repaired, and I have learned the manufacturer (Bridgestone) has discontinued
>>> the model.  The other three snow tires are relatively new and are good for
>>> at least two more winters.  Can I run a Bridgestone snow tire of the same
>>> size but a different model on one corner, or am I asking for trouble?  I
>>> hate the thought of buying four new snow tires when only one needs to be
>>> replaced.
>>> 
>>> 
>>> 
>>> Tom Rodriguez
>>> 
>>> '95 S6, 275K
>>> 
>>> 
>>> 
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