OK guys, these tire size calculators will help you find wider/narrower/different rim size tires to match your oem tire diameter. Will do various other calculations re. tire sizing and diameter and what your speedometer will say.
Please save the addresses or bookmark them so you have it when you need it.
http://www.wickedbodies.net/Tire-Size-Calculator.htm
http://ejelta.com/tiresize/index.htm...l=&maxdelta=10