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Old 03-10-2015, 02:40 PM   #1  
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Default non-ideal wheel width

track use/tt. 2300lb/250whp. 195/55/15 ventus td.
8" is ideal but I don't have any.
I have 7"s and 9"s. am I still losing the same amount of performance with this tire on a 9" wheel compared to a 7".
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Old 03-10-2015, 09:58 PM   #2  
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9" is too wide for that tire.
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Old 03-10-2015, 11:09 PM   #3  
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You should just run a 225 maxxis or nt01 on the 9s. The 195 TD is a really neat tire that has a lot of potential for E and F, but I don't think it's the right tire for your car.
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Old 03-11-2015, 12:11 AM   #4  
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I changed from 205 on a 7" to a 225 on a 9" and would NEVER voluntarily go back. I did once not believing the step up in performance and the difference was massive.

205's on a 7" after the 225 on a 9" was like driving on ice. I promptly sold the wheels and used tyres AND a set of new 205's on wheels the next day.

I then waited 10+ months for 9" wheels to come back in to stock for wet/spare set.

While this was frustrating, I never once regretted it, the difference was that big. I shudder to think what 195 feels like!!!

Safety, confidence AND lap times will massively improve IMO.
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Old 03-11-2015, 03:00 PM   #5  
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It needs an 8" wheel. Sell 7's, buy 8's. If not willing to do that, put them on the 7's, but I don't think it will be great. I would not try to fit in on a 9".

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Old 03-11-2015, 04:43 PM   #6  
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Sums it up...
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