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KEEP M3POST ALIVE BY DOING YOUR TIRERACK SHOPPING FROM THIS BANNER LINK! |
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03-16-2018, 05:46 PM | #1 |
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Michelin Pilot Sport Cup 2's
Just had a set put on the car for an upcoming race on Sunday does anyone have any useful feed back on the tires? Thanks in advance.
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03-17-2018, 07:21 PM | #2 | |
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Soft sidewalls so use adequate camber |
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03-19-2018, 05:59 PM | #3 | ||
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03-19-2018, 08:05 PM | #4 | |
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I was recently reading some of dogbone's posts in the track section. He has found that he burns the outside of his tires if he runs anything but max camber (like -4) and something narrow like a 265 or 275 tire. He says the wider the tire the better (I think he runs 295 square). That being said, I'm going to see what my latest changes do (if anything). I may go up to 285's in the front next time. Maybe 295's if I can fit them.
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04-02-2018, 06:14 PM | #5 |
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Slicer, please post your results with fitment using a 295, I was given a set of Hoosiers in 295 and haven't had a chance to test fit them on 18x10 et25 wheels
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04-08-2018, 05:01 PM | #6 | |
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I never ran them on my M3, but I did buy a set for my Corvette. They're a huge step up in grip from PSS and other similar tires, obviously. After multiple track days they have never let me down or overheated/gotten greasy, even with 30 minute sessions in the middle of the summer. I actually had to adjust my driving style a bit (turn in a bit later, brake a bit later) due to the extra grip. Fair warning, you will need to warm them up for the first lap or two, and I agree that you'll probably want to add some camber to maximize their grip and life -- I did not and wore the outsides down quite fast, as others had mentioned. My only complaint is that the siping wore away really fast and basically turned them into slicks. It's a blessing and a curse, and God forbid if we get a downpour. I was also a bit let down with how fast they wore down to the bars, but I think part of that is a function of the unusually shallow depth the Corvette sizes have versus other cars. I was able to actually prove the performance improvements with the car's PDR. Not only did my lap times at ABCC go from about 2:46 to 2:40, but I was more consistent and could hit the 2:40 mark almost every lap. Corner speeds were a few mph faster and lateral acceleration was roughly 0.1g higher over the PSS, too. Don't get me wrong, the PSS is competent on the track, but the PSC2 is clearly the superior tire. I'm not sure I will buy another set since they are borderline unusable on public roads if the temps drop or there's the slightest bit of rain.
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04-08-2018, 09:29 PM | #7 |
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i destroyed a set of PS4S in two track days (actually, not finishing the second day) in a few events last summer. Switched to Yoko late in the season and starting on Yokos 2018.
I do plan on trying the PSC2 sometime later on the season. The PS4S are on my road set, and this is where they stay. on the road. Track eats them up. |
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04-14-2018, 02:55 PM | #8 | |
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04-14-2018, 08:39 PM | #9 | |
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I'm putting PSS back on the car as soon as I can make the time to get over to Tire Rack's facility.
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10-01-2018, 01:16 AM | #10 | |
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I found this out when I tried to order Cup2's in 285 rears and the order was flagged due to this reason. |
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10-01-2018, 07:53 AM | #11 |
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I run Cup2's on my M3 and GT3. They are absolutely fantastic. Quiet and seem to wear well.
I do agree with Slicer on the wider tires. My fronts (265) at -3.1 camber are almost smoked after 3 track events this year and a bit of street driving. I will be changing up my wheels to a 18x10 and 18x11 setup next year and run a 285/295 setup.
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10-01-2018, 08:39 AM | #12 | |
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Correct, the Corvette gets a special version of the Cup 2 that's a ZP but also with shallower tread to reduce squirm. This is why it says "TPC spec".
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10-01-2018, 07:58 PM | #13 |
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I'm also waiting for the Cup 2 R's to be made in a size compatible with an M3. Looks to be a major upgrade to Cup 2's but currently only available in 265/35/20 & 325/30/21 (GT2RS sizes).
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10-10-2018, 12:34 AM | #14 |
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^Not sure why? Have you used and found the limit of the already extremely sticky CUP2? If so by all means.
To want a Cup 2R because it's offered on a GT2RS is comparing apples & oranges. Btw you may think twice if you check price on those & how long GT2RS guys are getting out of them on track. |
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10-10-2018, 01:14 AM | #15 |
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A 5% improvement in lateral g and a 10% improvement in stopping distance are why I would want the 2R's. I still want to compare the Trofeo R as well.
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11-09-2019, 01:37 AM | #17 |
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Anyone have a fitment picture on BBS RI-A? I've ordered a set of 10.5J(+25).
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11-09-2019, 01:40 AM | #18 | |
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11-09-2019, 07:40 AM | #19 |
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FYI,
front 265/35/19 on 9.5" wheel and -3.0 camber and front swaybar on 70% stiffer than stock got the tires to the cords after full day of 7x20 minutes and next day 3 x 20 minutes. However, 235/35/19 on same wheel and settings as above got the inside corded in about the same track time. From my experimentations the wear is not tire dependent but width. So there seems to be a choice here, wither -2.5 camber (or even -2.0??) on 235/35/19 or -3.5 on 265. lap times can be similar with 265 yielding 2 second faster than the 235, but the cost of 235 is $230 (proxa RR slick) and the cost of 265 (Hoosier slick) is $410. I experimented with 235, 245, 265 and 275 front tires from various manufactures and tread depth 300, 200, 100, 60 and 40. Each tire above had different feel, speed, behavior and performance tapering profile from new to corded. But the wear pattern inside and outside was similar among all of them. Not sure if this helpful but the bottom line is that tires are expensive and the wearing out the outside or inside has direct relationship to finishing a second day or calling it a day mid day. |
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