Tire Question?
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08-30-2011, 09:50 PM
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09-01-2011, 12:38 AM
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09-01-2011, 01:43 PM
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A good site to go to that I found was http://www.miata.net/garage/tirecalc.html
I know this doesn't exactly answer the "how big you can go" but it will help to calculate what changes your speedometer will see. Stock tire size with 20 inch rims is 275/60R20 so if you go down to an 18 inch rim (I'm thinking to do the same thing) you can go up to 295/65R18 and the speed is comparable, not sure if a 295 will fit though.
I know this doesn't exactly answer the "how big you can go" but it will help to calculate what changes your speedometer will see. Stock tire size with 20 inch rims is 275/60R20 so if you go down to an 18 inch rim (I'm thinking to do the same thing) you can go up to 295/65R18 and the speed is comparable, not sure if a 295 will fit though.