BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
 





 

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      03-18-2013, 12:21 AM   #1
int2str
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Exclamation Michelin Pilot Super Sport on the track

Don't...



(2 weeks old; ~500 easy street miles) 1 track weekend; -3 camber...)
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      03-18-2013, 04:53 AM   #2
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Is that inside or outside edge?
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      03-18-2013, 05:04 AM   #3
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Did you go off? I got several track days and autox's out of mine last year. Same -3 camber (front).
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      03-18-2013, 05:38 AM   #4
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Working just fine for me right now with -1.8 camber.
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      03-18-2013, 07:40 AM   #5
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I never had any issues with the 3 sets of fronts i've used on the track with -2.5 of camber. Where you maybe over driving the tires?
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      03-18-2013, 07:40 AM   #6
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....wow, can you return, I've heard some local guys have problems like this w/ there R888s. They where warranted.
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      03-18-2013, 11:27 AM   #7
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Quote:
Originally Posted by Evice View Post
Is that inside or outside edge?
Outside.

Quote:
Originally Posted by fboutlaw View Post
Did you go off? I got several track days and autox's out of mine last year. Same -3 camber (front).
Heh, no off-track excursions.
Good for you!

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Originally Posted by syenisch View Post
Working just fine for me right now with -1.8 camber.
Great!

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Originally Posted by Focusedintntions View Post
I never had any issues with the 3 sets of fronts i've used on the track with -2.5 of camber. Where you maybe over driving the tires?
Again, good for you!

Well, technically of course I was over-driving the tire. Chunks off rubber like that don't fly off just for fun .
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      03-18-2013, 12:35 PM   #8
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You should try to go back to tire shop. It is a sport tire so they should do something about it.
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      03-18-2013, 12:37 PM   #9
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You should try to go back to tire shop. It is a sport tire so they should do something about it.
No warranty for track driving.
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      03-18-2013, 01:02 PM   #10
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Does that mean they just overheated and went of by peaces?
Are those fronts?
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      03-18-2013, 02:29 PM   #11
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If you start driving like a sharp shooter right off the bat without bringing the tires progressively up to temp you can kill tires pretty easily. Or if the course you're running is very choppy, like the final turn on Sebring, and you find your car is "side stepping" over road imperfections a lot then the tires can rip up pretty fast as well.

How do the inside edges look? What are you running for suspension? What road course were you running?
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      03-18-2013, 02:52 PM   #12
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How do the inside edges look? What are you running for suspension? What road course were you running?
1) Fine
2) Coil overs, camber plates, FSB, M3 bits
3) Chuckwalla Valley Raceway
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      03-18-2013, 03:06 PM   #13
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Looks like the tires were being overdriven and overheated.

Did you change camber at the track? What are your toe settings?
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      03-18-2013, 03:12 PM   #14
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Did you change camber at the track? What are your toe settings?
No, I run -3 all the time.
Toe is near neutral (0).
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      03-18-2013, 03:48 PM   #15
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Quote:
Originally Posted by int2str View Post
1) Fine
2) Coil overs, camber plates, FSB, M3 bits
3) Chuckwalla Valley Raceway
Chucwalla isn't choppy. Were you hoppin' curbs? Do all 4 tires look like that on the outside edges? What were you tire pressures set to?
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      03-18-2013, 04:02 PM   #16
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Quote:
Originally Posted by IGoFast1589 View Post
Chucwalla isn't choppy. Were you hoppin' curbs?
Touching curbs here and there, but not excessively or in a way that upset the car.

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Do all 4 tires look like that on the outside edges?
Front two only. Rears look great.

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What were you tire pressures set to?
Tried for 38 hot. Was hard to keep consistent. Rear seemed fine at 38, front wasn't happy. Tried 40 hot in front on later sessions.
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      03-18-2013, 04:17 PM   #17
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Mine lasted a bit longer, but I had the same issue. A lot of speed combined with very soft shoulders causes the PSS's to wear very quickly on the front outer edges. I found 34 hot in the front seemed to be the happy spot. Still 500 miles is much quicker than would be expected. I got about 5k out of the fronts with multiple track days on them and I drive very aggressively so unless you are drifting corners or scalloping(rolling over) the tires then they were probably bad to begin with. If they won't replace them and you want to stick with them you could buy a used set of fronts on ebay that match the wear on the rears. Or try a different set altogether, RE-11's are my preference for a combo of track performance and tread wear, but there are tons of options and opinions on tires here.
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      03-18-2013, 10:34 PM   #18
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Post a video of a session, and it would be very easy to tell.
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      03-19-2013, 12:06 AM   #19
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Quote:
Originally Posted by Evice View Post
Post a video of a session, and it would be very easy to tell.
Not the whole session, but quckest lap:
http://www.1addicts.com/forums/showthread.php?t=817396
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      03-19-2013, 05:11 PM   #20
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If you're turning sub 2:10 laps on STREET TIRES you're definitely booking it big time. When I saw that on Youtube posted on the San Diego FB page, I thought...300 UTQG tires, it's probably the Pilot Super Sports. Then I thought, those tires can't possibly look THAT good after that lap...

Very fine driving. Very fine driving indeed. And no, no tire shop is going to "warranty" those tires.
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      03-19-2013, 05:28 PM   #21
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Quote:
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If you're turning sub 2:10 laps on STREET TIRES you're definitely booking it big time
Technically HPDE's are not timed events.
If I had to *guess* I'd imagine that lap was around 2:07.669...

But again, just guessing here...
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      03-19-2013, 06:30 PM   #22
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I'd love to see a lap with ZII, Rivals or RS3s mounted
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