Right but.  The 15" Agilis is a little bigger than a stock 14" tire, enough
to make it not questionable.

>From: Rob Infante <RobInfante@AOL.COM>
>Reply-To: RobInfante@AOL.COM
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: 14" spare on 15" syncro?  NO
>Date: Fri, 28 Apr 2006 15:09:17 EDT
>
>But if it is running the same OD, what does it matter?  The variation  is
>in
>how much of the sidewall is rubber and how much is rim, but the same
>amount
>of rubber hits the road.
>
>Right?
>
>In a message dated 4/28/2006 3:04:42 P.M. Eastern Standard Time,
>sam.cooks@verizon.net writes:
>
>Rob,
>
>You can take a 14" spare, but also take the tools so that  you can be
>sure you are able to remove the drive shaft if you did have a  flat and
>had to use the 14" spare.  I would loosen all 8 nuts and  bolts and lube
>them and re torque them before the trip to make sure I  didn't find
>myself unable to remove the drive shaft if this was needed at  night on
>some less than optimal road for such a mechanical  operation.
>
>You would likely do damage to your VC, front differential,  or transaxle
>if you drove with that one much smaller wheel and tire on the  Syncro.
>
>It is somewhat of a Syncro dogma that you should have 5 tires  for the 5
>identical wheels of the same size, make and model, and with  essentially
>even wear in a rotation on the Syncro to prolong the life of  the VC and
>avoid damage to the transaxle.  Slight variations can be  tolerated, but
>nothing like what the 14" wheel and tire is likely to  generate.
>
>Sam
>
>--
>Sam Walters
>Baltimore, MD
>
>89  Syncro GL, Zetec Inside
>85 Westy Weekender
>85 Mercedes Benz 300D  Turbodiesel - to become veggie oil powered