Wheels and Tires Discussion about wheels and tires for the S2000.
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the ideal size of tire for handling?

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Old 01-23-2012 | 10:45 AM
  #11  
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Originally Posted by billios996
Originally Posted by s2000Junky' timestamp='1327300120' post='21342587
[quote name='cpaforever' timestamp='1327290045' post='21342275']
cool. how large do you have ? how do you feel about them?

I run 295-17" in the rear on custom widened 11.5's RPF's. One of the best mods I have made on the car, but I have many mods that go along to keep the car balanced. On a nervous handling car, the extra rubber in the back just really planted it well, and made it more stable at speed. Not to mention the significant added grip in the corners and strait line for my power level, wile still being able to retain the usability of a extreme summer compound rather then an R on the street.
What size tire do you run in the front? Do you understeer more now? Did you add more spring or anti-roll bar?
[/quote]

225/45 right now and am considering trying some 245/40's next change, though my 225 Kuhmos sx run as wide as the factory Bridgstone 245's as is. The car is well balanced, really happy with it. But this isn’t on a stock car. Being able to dial in ride height, spring rate, pre load and damping all helps, or hurts you if you dont knwo what your doing. My car pushes slightly at the limit under neutral throttle, but is extremely composed in high and slow speed off throttle situations where the front is weighted. The car is balanced enough so that I can still induced under or over steer when I want, but when neutral, is more secure from the added rear grip, in an otherwise nervous tail happy 01 ap1. I run 10k sprung coilovers front and rear and factory sway bars for that year. You can look up the weight on those, which changed from year to year (this should be factored in) Mine are stiffer in the back for my year.
Old 01-23-2012 | 10:54 AM
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Originally Posted by aCab
Do you mean grip-handling, or nimbleness-handling? There are two different types. The larger the tire, the more grip, but also the less diminished steering feel. For instance, going from a 215 front tire to a 255 will cause the steering to feel heavier and make it seem like the car isn't as "tossable". But the increased grip of a 255 will let you take corners faster without the front end pushing.
I find that the more rubber I have on the road, the better feel I have of reading the road and the tires at the limit, the steering is heavier as a result as well, which some may not like, but I find it more confidence inspiring. But I’m not running a 295 up front either. I suppose its all relative. The S isn’t a super light weight car like a Lotus either. It makes use of the added rubber, especially if your putting down double the factory hp.
Old 01-23-2012 | 05:32 PM
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Originally Posted by takeshi
Originally Posted by cpaforever' timestamp='1327220683' post='21340487
what's the ideal size to maximize car's handling characteristics?
Depends on what, specifically, you're attempting to maximize. As stated above, you need to consider the entire impact of such changes and not assume that making a particular adjustment will be beneficial in all cases. In anything in life when you start to max something out, you're doing so at the expense of other attributes. Nothing is all gain -- you're always compromising something else.
So much truth
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