Date: Sat, 03 Jul 2004 22:50:46 -0400 From: MJ <thanksnospamo.com> Subject: Re: Need tire advice on 02 9-3 5dr
Thanks, for the info. The calculator link is pretty sharp. That gives me a good idea about how a different tire size would look. I'm looking for a wider stance and my car has a tendency to sway back and forth on rough roads. I know wider tires won't solve it, but it might be a good start. Mark In article <43sde019l8l5p7d62br6e5n224t75cv40qnospamcom>, Bob <nonamenospamace.com> wrote: > On Sat, 03 Jul 2004 12:15:47 -0400, MJ <thanksnospamo.com> wrote: > > >The standard size is 205/55-16 on my 02 9-3. I'm interested in getting a > >wider tire (as in more rubber on the pavement) on factory rims. Can I > >get 215/55-16 on these rims? Is this possible? One thing I read about > >increasing tire width is that the speedometer may not be as accurate. > >Any input would be appreciated. > > The larger tire will fit on the rim and will probably not have any > clearance problems. Lots of people run the 215 because the > availability is much better. I doubt it will have much effect on the > handling though one way or another. You actually end up with the > same amount of tire in contact with the pavement. Increasing the > width 10mm might have some marginal positive effect but it's > probably offset by the slight increase in sidewall height. > > The general reason that wider tires are desirable on a car is > that a tire that has a lower sidewall has less flex than a higher > sidewall. So, you use a larger wheel and a lower profile tire. > But, lower profiles have less load capacity so you bump the width > to get back to a tire large enough to handle the load. (In > general... a wider track width doesn't hurt. > > Use this calculator to determine how much the speedo will be off. > Also, get the manual out and check the other stock sizes. If you can > find a stock size that is closer to your new tires, then you can have > the dealer set the computer to make the car think it is running the > other size and the speedo will be closer. > > http://www.miata.net/garage/tirecalc.html
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