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Autocrossing 2morrow. What PSI tires?

This is a discussion on Autocrossing 2morrow. What PSI tires? within the Road Racing / AutoX forums, part of the Racing Forums category; Tomorrow will be my first time autocrossing my car. What PSI should I run my tires at? I have the ...

  1. #1
    Rice Killa JwMonE99's Avatar
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    Autocrossing 2morrow. What PSI tires?

    Tomorrow will be my first time autocrossing my car. What PSI should I run my tires at? I have the stock rim/tire thing on my car.
    I think its reccomended for 35 but I heard for autocross it should be 5 over? Can anyone vertify with me? Need answer ASAP thanks

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    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    what speeds ?

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    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
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    your tire sidewalls must be be proper...dont under inflate your tires for sure. i'd find a happy medium..if they say 5 over but your not sure..go 2-3 over

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    Junior Member autocrosser's Avatar
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    It's easier to let air out than put it in. Start at 40f and 35r. Mark the shoulders with white shoe polish or chalk. Let air out until the white wears off right to the tips of the little arrows on the sidewalls.

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    Rice Killa JwMonE99's Avatar
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    Quote Originally Posted by autocrosser View Post
    It's easier to let air out than put it in. Start at 40f and 35r. Mark the shoulders with white shoe polish or chalk. Let air out until the white wears off right to the tips of the little arrows on the sidewalls.
    Thats a really good tip to know. Do you have any advise for me for 2morrow?

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    Crazy Canuck ! Eugenio_SS's Avatar
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    was gonna suggest 42/36 as starting point.
    how did it go ?
    Eugenio_SS
    almost stock triple-black 2000 SS convertible with 17x11s on all 4 w/ 315s at the track or on the street with 18x10.5s on all 4 w/ 315s: (1), (2)

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    SS#430 1 of 74 7camaro7's Avatar
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    I ran 39f and 30r and I did fine

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    Rice Killa JwMonE99's Avatar
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    Well its almost 7 in the morning here. I got a few more hours till it starts. I will let you guys know how it went later on today.

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    Asshole bige97's Avatar
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    so how did you do?

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    Junior Member autocrosser's Avatar
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    Quote Originally Posted by JwMonE99 View Post
    Thats a really good tip to know. Do you have any advise for me for 2morrow?

    Other advise? Well, basically AX comes down to one thing, Slow in and Fast out. When that makes sense to you in many many ways, you're starting to get it.

  11. #11
    Rice Killa JwMonE99's Avatar
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    I didnt do too bad. My first autocross and came in 2nd place. Not bad at all, beat some AWD cars hehe.

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