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Old 08-10-2017, 01:28 AM   #1
crild
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Tire pressures for stock 19" conti

What pressure should I run on the stock 19" contis? Same pressure as street or lower it a bit?
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Old 08-11-2017, 06:41 AM   #2
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For autocross, you probably want to increase pressure. Not really for better handling, but to keep the tires from rolling to the side and scrubbing the sidewalls and minimize wear on the shoulders. Get some white shoe polish, and make a mark from the tread to about an inch on the sidewall. After a run, see how far onto the sidewall the polish is scrubbed off, and increase pressure if you are going too far from the edge of the tire shoulders.
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Old 08-11-2017, 02:23 PM   #3
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Originally Posted by Chad1376 View Post
For autocross, you probably want to increase pressure. Not really for better handling, but to keep the tires from rolling to the side and scrubbing the sidewalls and minimize wear on the shoulders. Get some white shoe polish, and make a mark from the tread to about an inch on the sidewall. After a run, see how far onto the sidewall the polish is scrubbed off, and increase pressure if you are going too far from the edge of the tire shoulders.
Not doing that gay autocross shit. Talking track day.

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Old 08-11-2017, 03:17 PM   #4
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Well that escalated quickly.

Yes, Auto-x is a happy thing to do.


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Old 08-11-2017, 03:18 PM   #5
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Oh..ok. My bad. I should have totally known you were a pro doing track day on stock rubber.
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Old 08-11-2017, 09:28 PM   #6
crild
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Oh..ok. My bad. I should have totally known you were a pro doing track day on stock rubber.
Obviously why im asking about oem rubber.......

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Old 08-12-2017, 02:00 AM   #7
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I think go up until traction becomes a problem, staying below the max printed on the sidewall.
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Old 08-13-2017, 04:57 AM   #8
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I can only speak for the Pzeros. I drop a few psi out. Slightly more on the front as they heat up more on the GTI. I aim for about 41-2 hot all round.
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Old 08-13-2017, 06:49 AM   #9
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Not doing that gay autocross shit. Talking track day.

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You do know auto cross is a legitimate sanctioned part of Motorsport.

Via the Wikipedia article , "As an entry-level motorsport it provides a stepping stone for drivers looking to move into other more competitive and possibly expensive forms of racing (such as rallying, rallycross and circuit racing)."

So, based on your initial question, Chad gave a great response.
Most serious road racers wouldn't need to ask about psi on stock tires.

He was being helpful and you came off looking very badly with both of your responses.

Since you won't do it, I will. Thank you Chad for the great reply!
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Old 08-15-2017, 03:27 PM   #10
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Ive started the day on the stock Conti's at 32psi and then check them hot after a stint. You don't want them over 40psi hot.

Remember to fill them back up at the end of the day!!
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