4/32" is a worn out tire anyway. Test have shown wet traction at that point
is half along with reduced hydroplaning resistance. AT tires can be 15/32"
or more new. One different tire on an axle is not as bad as two. And a new
coupling can be $2K plus installation. Makes matched tires cheap. If your
coupling fails in the excessive aggressive mode than consider a drive shaft
de-coupler.

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Dick Wong
Sent: Thursday, November 29, 2012 1:40 AM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: New owner questions-Syncro ownership costs.

Wow, that's not much!

So a brand new tire has maybe 12/32" depth on the new tread. If I put on the
same tire worn tire down to say 4/32" tread depth, the difference from the
center of the tire to the tread is 0.25" or 6.4mm.
That's enough to fry my VC?

-Dick-

-----Original Message-----
From: Robert Stevens [mailto:mtbiker62@gmail.com]
Sent: Wednesday, November 28, 2012 10:18 PM
To: Dick Wong
Cc: vanagon@GERRY.VANAGON.COM
Subject: Re: [VANAGON] New owner questions-Syncro ownership costs.

On Nov 28, 2012, at 10:29 PM, Dick Wong <sailingfc@DSLEXTREME.COM> wrote:

So how much difference in tire size is considered a mismatch?  I have
27x8.50-14s all around and the spare is 205/70x14. According to my tire
calculator that's a difference of 1.63" between the two.

IIRC, about 3mm is max tolerance before your VC notices and burns up. That
is about $1K to replace.

bob
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