X xippman New Member Joined Oct 2, 2004 Nov 14, 2004 #1 if you are geting bigger or smaller tires and need to no what tire to get and keep the speedomiter right . try this http://www.miata.net/garage/tirecalc.html
if you are geting bigger or smaller tires and need to no what tire to get and keep the speedomiter right . try this http://www.miata.net/garage/tirecalc.html