[s-cars] Question on tire tread depth tolerance..

[Mark Strangways]

Jeff I ran 245/45's on the front and 255/40's on the back for a year...
The torsen can take it.

Mark
----- Original Message ----- 
From: "Postupack, Jeff" <Jeff.Postupack at analog.com>
To: <s-car-list at audifans.com>
Sent: Monday, October 10, 2005 12:56 PM
Subject: [s-cars] Question on tire tread depth tolerance..


> 
> S-Car list?:>
> 
> I drove to a regional tire chain today requesting  mounting 2 Michelin
> PS2's 
> Size is 255X40 ZR17.
> 
> Reason being I hit a road hazard and damaged one of 4 Sumitomo's.
> 
> This would give me 2 Michelin's and 3 HTRZ II's Size is 255X40 ZR17 for
> the moment.
> Since I store the S4 in winter, not a problem right now. I did not
> measure tread depth, yet.
> 
> The Tire store manager did not want to mount the (2) due to variance on
> the tread depth exceeding the Audi recommendation for 
> Quattro's.
> 
> She told me Audi specifies 1/32 " tire to tire variation maximum and
> does not want the liability of drive train damage due to differing
> tires.
> 
> 1/32 nd variance seems kind of excessive to me.. But tell me please
> 
> If you guys mangle 1 of your summer tires, do you replace all 4?
> 
> What rules do you live by WRT tread depth variation?
> 
> Jeff Posto
> 
> 
> 
> 
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