08-02-2023, 10:48 AM | #1 |
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Do I have another track day on these tires?
I need some camber plates stat.
This is driver side, passenger is fine and I flipped them but was already too late, started to chunck. Can I or should I get away with 1 more track day? Or are these toast? This tire would be on the other side of course and aHad I flipped the tires earlier would probably be fine but new to this. I was going to wait to do suspension before doing camber but might have to bite the bullet since still doing 3 more track days this year and want the next tires to last l. Thinking about going potenza 71rs in 255/35/19 and 275/35/19. Or what else should I consider? The supercars look great but tire sizes kinda suck for 19 |
08-02-2023, 11:01 AM | #2 |
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I did that last season to a set of tires and was told by the Chief instructor, after having talked to a tire engineer that happened to be there with PCA that I was DONE for the weekend.
Missed the second part of the question. I’m running Millway camber plates on stock suspension, -2.5F/-1.0R on Falken RT660 tires staggered on stock OG 19s. Was really happy with the setup at PittRace this past weekend, and we had mixed conditions over 7 sessions. Tires were very stable pressure wise, very pleased. Ran 30F/32R on a 68 degree early morning sun, then rain, to 82 mid day sun to heavy wet Sunday afternoon. I was going to go with the Bridgestones, but had read they were “edgy” and maybe weren’t for a first timer on 200tw tires.
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08-02-2023, 11:42 AM | #3 |
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Those are done unfortunately—there's a lot of rubber left on the tire too, but that is about to cord and worse than having to toss tires is showing up and having your day or weekend cut short (hasn't happened to me yet, but I try to be proactive).
I went and looked at your build thread, you're on stock suspension? Get some camber in that car to extend your tire life. Not only is the shoulder toast, but the tire has been driving on the sidewall which is not good. May want to reassess cold/hot pressures as well. RE-71RS is a magical tire but 2 things to consider
But before you do anything, get some more camber in that car. If you drive NYST often, you may have run into rhyary who has a lot of experience running that track and quite often talks about how abrasive the surface is. That is going to accelerate your tire costs if you don't have a good alignment. |
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08-02-2023, 01:13 PM | #4 |
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Unfortunetly, you don’t have another day on those tires.
You have one more session if you go slow, or put some serious PSI into them and practice low grip track. If you were at NYST then you have my sympathy. Before I was on stiffer springs and -3.5 camber this is how my tires looked at the 2pm session starting the day new and going 1:38 |
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08-02-2023, 01:17 PM | #5 |
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255/35/19 and 275/35/19 is a great combination of RE-71RS. The car will feel outstanding. Start on 28 front and 25 rear cold PSI, if you are not getting to 34-35 hot, either drive faster or add a PSI or two. If one end is not getting to 33-34-35, add some air to that end (or drive faster)
If the front go to 38, don’t add throttle before apex and increase entry speed. |
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08-02-2023, 01:31 PM | #6 | |||
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I still have a lot to learn so not really married into getting the RE-71RS, only reason is that I hear good things and size availability. That said I would be happy to get the supercars 3 if they are longer lasting and go down a few sizes to 19/35/245 and 19/35/265. As of right now I think I would definitely take durability over grip. I will definitely invest in some camber plates (I am still on stock suspension) in the meantime though, was just waiting till next year and do plates and suspension but might have to just do either plates this year or both. Quote:
Hope you are doing well and the m3 is back! |
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08-02-2023, 01:34 PM | #7 | |
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08-02-2023, 01:43 PM | #8 |
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265/30/19 you are riding on the rims.
In general stay away from x/30/19 until you got to 285/30/19 and 305/30/19 and you no longer care about your inner fenders. We had fun at Lime Rock. Let me know if you come to NYST |
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08-02-2023, 02:19 PM | #9 | |
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I will be at NYST October 7th with masstrack, are you going to be there? Also do you have a suggestion to get a good alignment in Albany or around there? Or North Jersey? I was going to try to go to Highline, maybe have them install the camber plates but definitely do an alignment if I decide to install them myself. |
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08-02-2023, 06:08 PM | #11 |
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amazing, I will see you there.
will be my first time so going to see if masstuning can get me an instructor, are you instructing that day? Maybe I can ask for you. They prioritize novice so hopefully they can get me one in int. I was just at club motorsports and was glad to have an instructor, my track experience is only limerock and club is a whole different experience, very cool track, had a great time. |
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08-02-2023, 11:45 PM | #13 | |
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08-03-2023, 08:57 AM | #14 | |
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Edit: Just re-read your post and you're looking for 19" square set up tires. In that case you're right, very limited in the 19" tire space. Last edited by AlpinewhiteM2C; 08-03-2023 at 09:08 AM.. |
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08-03-2023, 01:44 PM | #15 | |
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08-03-2023, 04:20 PM | #16 | |
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08-04-2023, 09:05 AM | #17 |
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08-04-2023, 09:28 AM | #18 | |
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I wish RE71RS had more size options, it has been a fantastic tire for me thus far. But i'm always looking for an alternative. But tbh, these are on my track wheels, so I don't think i'll switch to another one |
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08-04-2023, 12:35 PM | #19 | |
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The 255 / 275 is a very fast configuration. So the fact that you can get RE-71RS in these sizes makes it a compellent configuration. The 35 aspect ratio is important. The tires are important component of the suspension. For example, the Porsch GT3 RS is a track day focused car. The rear 335/30/21 has 4” sidewall and the front 275/35/20 has 3.8” sidewall. A 255/35/19 has 3.5” sidewall and the rear 275/35/19 has a 3.8” sidewall. So to go below those sidewall sizws by going wider is not necessary better or faster. Just one factor to consider. There are many others that also need attention. While I am on a different car, I do drive 19” wheels and have personally tried any combination tires sizes that fit (and does not fit). |
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08-05-2023, 11:24 AM | #20 | |
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08-05-2023, 04:29 PM | #21 |
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08-05-2023, 08:39 PM | #22 |
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As long as we’re talking tires, I’d love opinions on mine. This is a square PS4S setup with -2.8 camber in the front. I’ve got 6/32” tread left pretty consistently all around. But shoulder wear seems to be the limiting factor. These tires have 9 days (45 heat cycles) on them now. How many more days could they go?
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