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Jazzer The Cat Jazzer The Cat is offline

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Visitor Messages

Showing Visitor Messages 11 to 20 of 113
  1. Jazzer The Cat
    10-05-2012 02:50 PM
    Jazzer The Cat
    Yes, but the same theory need apply. Max width for a 10" wheel is 305's. Running a 275 on a 10" wheel, would be equivalent to running 235's on an 8.5" wheel in this context
  2. JThor
    10-05-2012 02:31 PM
    JThor
    Thanks. Makes a lot of sense. I'll let you know what I decide. It seems that the options in a 235 tire are few, but there's a lot of options in 245's.

    If my wheel was wider, say 10", would the appropriate size for AX also become wider? (It's an academic question for me. I'm staying with the 8.5's.)
  3. Jazzer The Cat
    10-05-2012 08:20 AM
    Jazzer The Cat
    I understand, but one must account for the sidewalls of the tire and now they respond to relative width of contact patch and wheels width. If the tire is too wide for application, it will have to curl back inward to the wheel. This curl takes contact patch OFF of the road surface, because what would normally be touching the ground, is now being "pulled" upward and inward to a narrower wheel. This introduces flex in the sidewalls and takes the tread blocks designed to work in a corner, up off of the ground . This flex also allows the wheel to "float" around over the tire on hard cornering, because the part of what would be the bottom of the tire, has now become part of the sides. Because you are turning the wheel all the time, this floating is constantly changing the contact patch and leads to inconsistant response among other things.
  4. JThor
    10-04-2012 11:38 PM
    JThor
    It seems a little counter intuitive. I would think a wider tire would equate to more lateral grip. I'm not doubting you. I'm just trying to understand why the thinner tire results in more lateral grip. You may convince me to the 235's.
  5. Jazzer The Cat
    10-04-2012 06:30 PM
    Jazzer The Cat
    If you are looking to AX, go thinner over wider tires. This means I would look toward 245's or even 235's for improved lateral grip.
  6. JThor
    10-04-2012 12:16 AM
    JThor
    Thank you for all the great advice on this thread. Another question to the expert:

    I have a 2010 GT with 8.5 x 19 rims. 3.73 axle package. I want to try my hand at autocross next year with car. I'll be buying tires next spring when the season starts. I'm not a newby at autox, but clearly not an expert either. Coming back to it after a few year hiatus. I want to run street (summer) tires and stay with the stock rims. With such a setup, would you go with 245/45-19 or 255/40-19, or ...? Thanks for any advice.
  7. wmetten
    10-01-2012 09:50 PM
    wmetten
    Thats for help on my theard but you move me to V6 S197 General Discussion, Can you please move my theard to S197 Handling Section or GT Section, Thanks Wil
  8. Jazzer The Cat
    09-13-2012 09:03 AM
    Jazzer The Cat
    There are some discounts via sponsors, UPR is one, but would have to contact them to know if they do and what codes are required.
  9. cassimus
    09-12-2012 10:17 PM
    cassimus
    Do members get any discounts on your website? I am looking to purchase a wheel and tire package by the end of the week.
  10. Jazzer The Cat
    08-19-2012 05:12 PM
    Jazzer The Cat
    I have not seen the NT450, as of yet. Appears to be geared toward one who has some pretty harsh Winter weather, yet should hold a nice turn. Seems like a nice all-around tire and should be quite nice in heavy wet conditions.

    Your welcome

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