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Old 04-10-2018, 02:54 PM   #1
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brand new tires or old tires for autocross event??

Hi,

I joined my local PCA & have my first beginners autocross precision driving school scheduled this coming sunday. My car needs new tires, fronts are nearly due & rears are past due. I ordered new & they are scheduled to be installed saturday so everything seemed fine. Then I hear new tires need to break in which usually takes 500 miles, I did not know this.

What do you think? run with the old tires or new ones? or drive a different car?

current weather report for sunday is 26-37 & rain.

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Old 04-10-2018, 03:55 PM   #2
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Be a bit careful your first few laps, they should scrub in nicely. Much better off on new rubber than old all day long.
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Old 04-10-2018, 03:55 PM   #3
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Use the new ones. And don't worry about them.
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Old 04-10-2018, 05:16 PM   #4
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Quote:
Originally Posted by paulb View Post
Hi,

current weather report for sunday is 26-37 & rain.
Use the new tires, especially if it's cold and wet. Walk the course before you drive it. Drawing a map may help you remember it. When driving, concentrate on staying on the proper side of the cones and don't worry about your speed. Speed will come later.

jD
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Old 04-10-2018, 06:06 PM   #5
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Go with the new. I autocrossed Bridgestone Comp 2 all season tires when brand new and they scrubbed in right away. They are fantastic all season tires. I got within 1 tenth of a second for best pax time of the day vs. a 911 Carrera 4s. I donít plan to change them until May, then I use RE-11ís. RE71ís donít come in my 17 wheel size for my 04 Boxster. Take it easy at first. Walk the course, look at the proper line. When you drive it comes at you fast. Get the course down, and speed will build. Donít go all out, brakes are important too. Be smooth and get into the rhythm. Be careful with cold tires, they can let go quicker than warm or hot tires. Good luck!
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Old 04-10-2018, 08:39 PM   #6
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Check to see if your car will be inspected before you get on track. If your tires are 'iffy' or out dated, they may not let you participate.
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Old 04-10-2018, 08:46 PM   #7
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Go with the new tires.
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Old 04-11-2018, 05:28 AM   #8
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26-37 and rain. Bring your snow tires!
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Old 04-11-2018, 06:00 AM   #9
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thanks all, I'll definitely be driving on the new tires. will let you know how it goes

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