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Subject:Re: Syncro Tire Diameter
From:Jake de Villiers
Date:Fri, 18 Dec 2009 08:01:15 -0800

How much is a new VC?

On Fri, Dec 18, 2009 at 6:06 AM, Anthony Egeln <regnsuzanne@yahoo.com>wrote:

> The conventional wisdom on syncro tires is that they should be virtually
> identical in diameter, to prevent spurious activation of the VC.  I believe
> it has been said that the diameters should not vary more than 3/8 of an
> inch.
>
> But consider this:  What if the inflation of the 4 tires is not equal,
> which is often the case?  Wouldn't that affect the diameter by easily 1/2 to
> 3/4 of an inch?
>
> Here's my dilemma.  On my van I have the Bridgestone Dueler AT Revo, in the
> 225-70R-15.  Bridgestone has discontinued this size....though not the Revo
> model.  I have 3 nearly new tires, but one tire (and the spare) are worn a
> good deal on the outer 1 inch or so.  This is from when they were on the
> front with a marginal alignment, since adjusted.  Although the center, and
> inside, of these two tires is very good, the conventional wisdom says I
> really need two more tires in exact diameter, and I can't get them in the
> Revo.
>
> Bridgestone recommended a Firestone tire that was similar to the Revo.  My
> question for the list is this.  Can I substitute 2 new tires of a similar
> tread and diameter to the Revos in a 5 wheel tire rotation without cooking
> my VC?  Right now I hate to throw away 3 perfectly good tires...to say
> nothing of spending $600 + on new replacements.
>
> Thanks, Anthony
> '89 Syncro GL (Hidalgo)
>
>
>
>
>

--
Jake

1984 Vanagon GL
1986 Westy Weekender "Dixie"

Crescent Beach, BC

www.thebassspa.com
www.crescentbeachguitar.com
http://subyjake.googlepages.com/mydixiedarlin%27