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Thread: How much did you spend for track wheels and other considerations?

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    Quote Originally Posted by fiftyunofifty View Post
    I have 17x10 6UL 5x114.3 +52 and run 10mm spacers to clear my coils. I have another buddy with 15 STI and has a set of 6UL 17x9 and clear oem Brembos.
    Do you have a picture of his car? I wondering how a 17" wheel would look on that car being that the car I so big and has large wheel wells.

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    Senior Member bellwilliam's Avatar
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    Quote Originally Posted by FoxSTI View Post
    Thanks everyone. I am looking at 17" now. I would proba8run a 255/40 r17 tire.
    With that said some on the tires I'm have looked at UHP 200 thread have. 94W rating. What are your thoughts on those ratings?
    Is that really an indication of side wall hardness it's stiffness? I know XL tires are stiffer and may be more desirable for high permanence and track?
    none of those have to do with how tires perform.
    fastest street tires for your car gonna be either Rival S 1.5, RE71R or RS4 (probably slower, but handles heat better).
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    Quote Originally Posted by bellwilliam View Post
    none of those have to do with how tires perform.
    fastest street tires for your car gonna be either Rival S 1.5, RE71R or RS4 (probably slower, but handles heat better).
    So is it just trial and error from this point (and keep the proper pressure to keep the tire from rolling ?)
    I mean I have always heard of this "rolling the tire" thing, but on my last track event, I deflated my tires to 28PSI I think, and when hot they went up to 32PSI. I took temps across my front tires they were within 0.5 - 1 deg. So to me that meant they contact patch was good. (or am I totally wrong?)
    Therefore I didn't add or take out any more air.

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    Quote Originally Posted by FoxSTI View Post
    Do you have a picture of his car? I wondering how a 17" wheel would look on that car being that the car I so big and has large wheel wells.

    Here you go. Added both the STI and WRX for comparison

    STI 17x9
    949UL.jpeg


    WRX 17x10
    17x10.png

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    Thank you. They look good, but small no?

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    Quote Originally Posted by FoxSTI View Post
    Thank you. They look good, but small no?
    On the STI yes. He is on stock suspension so there is a big Gap. I am on coils and there isn't much of a gap.

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    yeah that is what it looked like to me.

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    Senior Member bellwilliam's Avatar
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    Quote Originally Posted by FoxSTI View Post
    took temps across my front tires they were within 0.5 - 1 deg. So to me that meant they contact patch was good. (or am I totally wrong?)
    Therefore I didn't add or take out any more air.
    no idea what that means ? temp can't possibly be within 0.5-1F. never seen that kind of number, especially left and right. that's not ideal either.
    this is the guide on using a pyrometer: Using a tire pyrometer-949 Racing
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    Quote Originally Posted by bellwilliam View Post
    no idea what that means ? temp can't possibly be within 0.5-1F. never seen that kind of number, especially left and right. that's not ideal either.
    this is the guide on using a pyrometer: Using a tire pyrometer-949 Racing
    When I took my temps I saw : i: 141 C142 O:141 The temps were pretty even across the time. Apparently I needed to see a gradient form inside to outside.. um..
    i need to make myself a setup / log sheet and get a clip board.
    Olitho likes this.

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    Chest hair required Olitho's Avatar
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    You have to come off the track immediately still doing 10/10ths and get someone in the hot pit to take your temps.

    If you stroll off the track on an 8/10th cool down lap, drive through the paddock, park, get out of the car, grab the pyrometer and take the temps all you will have is meaningless data.

    If you come in hot and tire temps are still 200 degrees then you have something meaningful.
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    Here is what I should get lol.
    Tire Infrared Temperature Sensors

    On a serious note, what do you guys think of that? Useful or overrated? Its basically live data, I am just curious to see what it would look like on i2
    BTW, guys I don't have deep pockets, no where near !!. but I do love the tech side of things and don't mind saving to buy good equipment. I just work hard like everyone else and try to put aside some for track stuff.
    Last edited by FoxSTI; 06-29-2017 at 05:58 PM.

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    Quote Originally Posted by Olitho View Post
    You have to come off the track immediately still doing 10/10ths and get someone in the hot pit to take your temps.

    If you stroll off the track on an 8/10th cool down lap, drive through the paddock, park, get out of the car, grab the pyrometer and take the temps all you will have is meaningless data.

    If you come in hot and tire temps are still 200 degrees then you have something meaningful.
    that is why I gotta have my wife come with me.. my friend runs the same sessions as I, so can't count on him.
    But yes, you described my process. I take my sweet time. I am going to bring it in the car with me next time around and just jump out on the hot pit for a min. (hope they allow that)

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