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      08-07-2008, 03:55 PM   #1
icemang17
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1st track day in DCT coupe next month!!

http://www.m3post.com/forums/showthread.php?t=161916

I'm going to track my M3 DCT coupe for the 1st time next month.... I'm wondering which tire pressures to run in the front to save them from getting destroyed... I don't think thunderhill is that hard on tires....since my front tires on the 928 hold up very well there and are smaller than the M3's....
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      08-07-2008, 04:11 PM   #2
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Ahh, Thunderhill in September. Might only be 95 in the afternoon instead of 105.
I've run on PS2s twice now. Once in the e46, once in the RS6. I think they hold up best around 40-42 hot.
Its a function of your driving style and aggressiveness, but for what it's worth, I'd recommend you go out first session at 33 - 35 cold. When you come back in, you'll probably be well over 40. At that point lower them to 40 hot. For the second session, You'll probably drive more aggressively than the first session, plus the track will have heated up a bit. When you come in lower the fronts to 42. See how that works for you. Good luck.
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      08-08-2008, 11:08 AM   #3
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Joe
It seems 40 hot is a good starting point....... The conti sport contact II's on the 928 work pretty well on the track....but I do think the PS2's are a better tire....
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      08-11-2008, 03:37 PM   #4
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Hi Brian,

I haven't signed up to instruct yet because I may be out of town. If I do, I'll try to request you if you want. I was just at Thill the past weekend for a BMW club racing school. The track is newly paved. We were the first people to drive it. It was definitely more slippery than before. By Sept, the track will be better. But I think it'll take a few months before the track really gets grippy. You'll have to look for new landmarks for your braking and turn in points. Stay off the new berms. They are like mini sidewalks!

I would pump up the tires a couple pounds over the norm and start from there. Make sure you monitor and adjust it as the day goes on. It'll be pretty hot in the afternoon. Monitor where the tires are getting rolled at the edges. You don't want the pressure too high or you'll be sliding everywhere. Have fun.
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      08-12-2008, 11:38 AM   #5
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Quote:
Originally Posted by m3pete View Post
Hi Brian,

I haven't signed up to instruct yet because I may be out of town. If I do, I'll try to request you if you want. I was just at Thill the past weekend for a BMW club racing school. The track is newly paved. We were the first people to drive it. It was definitely more slippery than before. By Sept, the track will be better. But I think it'll take a few months before the track really gets grippy. You'll have to look for new landmarks for your braking and turn in points. Stay off the new berms. They are like mini sidewalks!

I would pump up the tires a couple pounds over the norm and start from there. Make sure you monitor and adjust it as the day goes on. It'll be pretty hot in the afternoon. Monitor where the tires are getting rolled at the edges. You don't want the pressure too high or you'll be sliding everywhere. Have fun.

Pete
Let me know if you do instruct!! Bummer the track is more slippery...that sucks....but I plan on taking it pretty easy as I learn the M3.....
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