If you move to 15 inch wheels you should then lower the profile of the
tires in order to keep the same tire diameter unless you have some
compelling reason for not doing so.  This is called plus sizing.
KB

At 10:08 PM 1/4/2003 -0500, you wrote:
>vanagon@GERRY.VANAGON.COM

                                                         Kevin Barry
                                                 mailto:krbarry@bellatlantic.net

Contraceptive n.
  A labor saving device to be used on any conceivable occasion.