Wheels and Tires Discussion about wheels and tires for the S2000.
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How to help oversteer with tires

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Old Jan 19, 2006 | 05:34 AM
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Default How to help oversteer with tires

What is the best size tires to run to help the car from oversteering. I know this wont help much but anything to help would be good. Would it be beneficial to run 205's in the front and 245's in the back. Are 245's the largest anyone has gone in a stock s2k on the rear tires. I'm guessing to help on the oversteer you would need to get larger tires on the back to obtain more traction. Is this correct.

Thanks
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Old Jan 19, 2006 | 05:53 AM
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Tires wont do the trick,try the UK alignment specs, they should correct afair amount of the oversteer in the car.

I dont have them on my work PC, but I'm pretty sure you can find them in the UTH section
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Old Jan 19, 2006 | 06:38 AM
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Originally Posted by rikhemi,Jan 19 2006, 06:34 AM
What is the best size tires to run to help the car from oversteering. I know this wont help much but anything to help would be good. Would it be beneficial to run 205's in the front and 245's in the back. Are 245's the largest anyone has gone in a stock s2k on the rear tires. I'm guessing to help on the oversteer you would need to get larger tires on the back to obtain more traction. Is this correct.

Thanks
I think your reasoning is correct. Less grip in the front and more grip in the rear will help reduce oversteering effects. Should your tires brake traction, this set up sounds like it would allow the front tires to understeer thus preventing you from oversteering.
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Old Jan 19, 2006 | 07:46 AM
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Could the s handel 205's in the front and 255's in the back or is that too much of a difference and wound worsen performance. How big of a tire can you put in your rear without it causing problems on a stock s. Reason im asking not only for performance but also for the look.
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Old Jan 19, 2006 | 08:24 AM
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Stick with 205f/245r and keep the tire pressures +2lbs in the front with the UK alignment. Most oversteer problems are due to driver input so take some courses or do a little auto-x'ing and learn how to be smooth.
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Old Jan 19, 2006 | 08:44 AM
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Originally Posted by l8brakr,Jan 19 2006, 09:24 AM
Most oversteer problems are due to driver input so take some courses or do a little auto-x'ing and learn how to be smooth.
This deserves to be repeated.

If you take your S2000 to a skid pad and go around at a constant speed, you will find that it actually understeers. But if you tap the throttle too hard, or you lift off the throttle too fast, the car will oversteer. If you go into a corner too fast and hit the brakes, the car will come right around on you faster than you can say "oops".

I suggest reading "Speed Secrets" by Ross Bentley (or any number of other good books) and taking a high performance driving class.
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Old Jan 19, 2006 | 10:10 AM
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Originally Posted by S2KinVA,Jan 19 2006, 09:53 AM
Tires wont do the trick,
Huh?

Tires make a huge difference. In fact if the stock wheels would allow it, it would probably be a better idea to run wider tires in the rear than use the ridiculous amount of toe-in in the rear specified by the UK alignment. Then you'd get more grip in the rear AND reduce tire wear.
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Old Jan 19, 2006 | 10:59 AM
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Originally Posted by spa-zz,Jan 19 2006, 02:10 PM
Huh?

Tires make a huge difference. In fact if the stock wheels would allow it, it would probably be a better idea to run wider tires in the rear than use the ridiculous amount of toe-in in the rear specified by the UK alignment. Then you'd get more grip in the rear AND reduce tire wear.
The UK specs will not reduce tire wear. It will increase it. I have that alignment and then some. More toe in or out increases wear also. If a driver can not learn to control oversteer, it is time to go to a performance drivers school and learn the basics of car control and weight transfer.
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Old Jan 19, 2006 | 11:42 AM
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Originally Posted by l8brakr,Jan 19 2006, 05:24 PM
Stick with 205f/245r and keep the tire pressures +2lbs in the front with the UK alignment. Most oversteer problems are due to driver input so take some courses or do a little auto-x'ing and learn how to be smooth.


That's how I've run my two UK cars with five different wheel set ups between them!

Get some driver training!
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Old Jan 19, 2006 | 11:49 AM
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Will 255's be to big of a difference for the s2k. And how bout the weight difference between 225, 245, and 255 in the rear. Ive read that for tires and rims for every pound added its like adding 4 pounds to the overall weight of the car.
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