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View Full Version : Need some help on tire size



civicep3
05-24-2004, 02:58 PM
I will be getting some rota group n's next month and they only come in a 15*6.5 and was wondering what would be the widest tire I will be able to put on the rims and closest to the stock diamiter

BarracksSi
05-24-2004, 03:36 PM
http://www.miata.net/garage/tirecalc.html

On a 6.5" wide rim, I wouldn't go wider than 205 (which is what I have on my 16x7 Rota C8's), and 215 would be pushing it.

205/55 would probably work fine, and for 215 width, a 55-size sidewall works too.

Tenacious G
05-24-2004, 04:27 PM
Originally posted by BarracksSi
http://www.miata.net/garage/tirecalc.html

205/55

x2

Lucid Moments
05-24-2004, 05:04 PM
Check out this link as well

http://www.1010tires.com/TireSizeCalculator.asp

1010tires also has a number of good tech articles about wheels and tires that I have found useful.

civicep3
05-25-2004, 09:55 PM
I was looking on that tire calculator and it was showing that the 205/55/25 and the 215/55/15 were pretty close to the stock tire diameter and wouldn't make the speedo that far off. So my question is could I fit 215 on a 15*6.5 rim