# Tire Size Question

**URL:** https://forums.speedlife.net/t/tire-size-question/20385
**Category:** NYSpeed Automotive
**Created:** [November 19, 2006, 8:22am UTC](https://forums.speedlife.net/t/tire-size-question/20385 "2006-11-19T08:22:17Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![fairgentleman\_Z](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/fairgentleman_z/32/7263_2.png) [@fairgentleman\_Z](https://forums.speedlife.net/u/fairgentleman_Z)
#### Post date: [November 19, 2006, 8:43am UTC](https://forums.speedlife.net/t/tire-size-question/20385/5 "2006-11-19T08:43:19Z")

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for speedo calcs…

[http://www.miata.net/garage/tirecalc.html](http://www.miata.net/garage/tirecalc.html)

With the lower cornering stiffnes of the high sidewalls the car will feel more lathargic (it will require higher slip angles for lateral acceleration), however since you are applying it front and rear the understeer characteristics of the car will reamin the same.

Maybe run them at 32-33 psi to bring back a “sporty” feel.

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