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Old 03-25-2008, 09:52 PM   #1
HoustonGixxer
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What Tire Pressure Do You Run???

this question goes for the regular track guys.

What tire pressure do you run for track days?

I have pirelli corsa 3's
running a 36 front 36 rear.
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Old 03-25-2008, 10:00 PM   #2
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You will get a different answer from everyone you ask but I will take a shot.

My advice would be to set your pressure to 29 front and 31 rear after you get to the track but while your tires are still cold.
Then as soon as you get in the pits (no dawdling) check them again and see if the pressure has increased to about 35 in both.
If it has then good to go, if not then,

If pressure is: Below 35 decrease by 1 psi and try again
Above 35 increase by 1.

I know that sounds backwards but the softer your tires are the more they will heat causing the pressure to rise.
rear tire works harder so you start a little firmer, front works less hard so you start it a little softer.


Ok flame away...
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Old 03-25-2008, 10:00 PM   #3
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depends on track temp but around 30 or 32
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Old 03-25-2008, 10:08 PM   #4
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Street, 36 front-34 rear. Track 31 front-28 rear.
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Old 03-25-2008, 10:10 PM   #5
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To start out with 30/30 and then check you temps after your first 2 sessions!
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Old 03-25-2008, 10:11 PM   #6
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Cool

I use 30 in the front and 29 in the rear on my Michelin's. As a general rule I use 1 lb. less in the rear than the front. I think this holds true for all track tires.
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Old 03-25-2008, 10:11 PM   #7
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Quote:
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You will get a different answer from everyone you ask but I will take a shot....


See?
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Old 03-25-2008, 10:25 PM   #8
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what somebody else runs doesnt mean thats what you run ... whatever gives you the best feel is what you run
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Old 03-25-2008, 10:34 PM   #9
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so i guess i should just experiment with it?
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Old 03-25-2008, 10:40 PM   #10
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On my KR106's I run 30 front, 21 rear. On my D209's I run 30 front, and 26 rear.
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Old 03-26-2008, 10:14 AM   #11
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Quote:
Originally Posted by gunshotwound View Post
I use 30 in the front and 29 in the rear on my Michelin's. As a general rule I use 1 lb. less in the rear than the front. I think this holds true for all track tires.
track tires (DOT race tires) - usually 3lbs+ less in the rear

Street tires - i would start off at 30/30 and go from there
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Old 03-26-2008, 10:18 AM   #12
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I have the same tires and I run 30/30 cold on the track. Pirellel actually recommend 32/32 but the bike moves around to much at that pressure for me. I've had no problems at 30/30 though. You should recheck it after running some fast laps after a session to like bumblebee says. I'm lazy and I'm not always good about checking, but my tires don't slide around at my pace either so no worries. I've also heard to run 1 psi less in the rear from the racers for better traction because I guess the rear tire pressure will grow more then the front. Anyway that's my experience with the Corsa 3's
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Old 03-26-2008, 10:23 AM   #13
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Check this article on the DCIII, they recommend 34 front 36 rear on the street. 32 front 34 rear at the track.

http://www.motorcycledaily.com/12jan...blo_corsa2.htm
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Old 03-26-2008, 10:27 AM   #14
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31 Front 29 rear has been the best starting point for me at the track. I have to go down a pound or 2 if it is colder out but, the best guy to ask is your tire guy at the track. Get to know these people so they can get to know your setup and give you the best advice for you.
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Old 03-26-2008, 10:38 AM   #15
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30/30 cold is what most experienced guys would suggest you start with... some guys may say drop the rear by a pound or two since it will "grow" more with the heat generated from nailing the throttle.

Unfortunately, there is no hard/fast rule for pressures, so you just gotta play with it a bit. Just make sure you are not too high, thats a sure-fire way to end up on your head!
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Old 03-26-2008, 11:09 AM   #16
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Quote:
Originally Posted by BrutusTx View Post
Street, 36 front-34 rear. Track 31 front-28 rear.
+1

Any higher than 30-31 psi at the track is asking for trouble. Especially as the day goes on and as the temps climb here (in Texas).

30/30 is a great place to start with just about any tire.
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Old 03-26-2008, 01:15 PM   #17
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Quote:
Originally Posted by Moody View Post
31 Front 29 rear has been the best starting point for me at the track. I have to go down a pound or 2 if it is colder out but, the best guy to ask is your tire guy at the track. Get to know these people so they can get to know your setup and give you the best advice for you.
+1
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