Replacement tires - McLaren Life
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post #1 of 20 Old 05-12-2017, 07:46 PM Thread Starter
 
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Replacement tires

what have u guys replaced tires with? I don't see the track but I like dry and wet traction on the roads down here in S Florida. DOnt need them yet but will.... wondering what other have found? Currently I have the P 0 CORSCA
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post #2 of 20 Old 05-12-2017, 09:31 PM
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Has to be the new michelin PS4S.
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post #3 of 20 Old 05-13-2017, 06:01 AM
 
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For the rough roads in my area I like my newly redesigned P Zeros
For track MPSC 2

It is better to exit a turn properly than enter too fast but with ABS just go deep anyway
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post #4 of 20 Old 05-13-2017, 03:40 PM Thread Starter
 
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I am hearing the newly designed Pirelli P 0 Corsca on the 720s will be out shortly for purchase for the 650s?
I am also hearing the Michelin sport cup 2 are a bit squirrly on the 650....???
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post #5 of 20 Old 05-13-2017, 07:27 PM
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Originally Posted by isv View Post
Has to be the new michelin PS4S.
If you live in warm weather it's going to be between the Michelin cup 2s and the Michelin 4S and likely the new PZeros (the old ones were crap).

If you live in an area where it gets cold, I think the 4S or the new PZeros.

The problem is we new the old PZeros and pirelli corsas were garbage in general, and that the Michelin Pilot Super Sport and Sport Cups were way better.

Since then Michelin has come out with the the 4S replacing the PSS and the 4S is better. However, the new PZero and corsas have also come out and are a LOT better, but its not clear how they stack up against one another.

I just got the 4S because I suspect they will do the best out of all those tires when it gets cold in NY. The old PSS were serviceable even in a little bit of light snow. Plus, the Michelins easily lasted over 20,000 miles including 4 track days.

But I don't know, I really want to see comparison done between the new MP4S, New PZero, New Corsa (and new Trofeo R and Cup2s if they exist).

TLDR, you want the MP4S if you're in cold weather area, or new PZero if you're in warmer weather. Both of those should fine in the wet.
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post #6 of 20 Old 05-13-2017, 07:28 PM
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Originally Posted by broomhilda View Post
For the rough roads in my area I like my newly redesigned P Zeros
For track MPSC 2
Oh wow you got the new ones. Could you give your thoughts on them vs the cups?
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post #7 of 20 Old 05-14-2017, 12:04 AM
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Curious - if you look at replacement tires on TireRack, you get a warning for the Trofeo R tires that reads: Rear: If fitting with P Zero Trofeo R use only 305/30-20 (99Y ) (2441400) labeled for use on the 650S, 625C, & 675LT. Use of P Zero Trofeo R 305/30-20 (103Y) (2271000) will result in vehicle damage!

What the heck could go wrong?

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post #8 of 20 Old 05-14-2017, 12:26 AM
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Originally Posted by enzom View Post
Curious - if you look at replacement tires on TireRack, you get a warning for the Trofeo R tires that reads: Rear: If fitting with P Zero Trofeo R use only 305/30-20 (99Y ) (2441400) labeled for use on the 650S, 625C, & 675LT. Use of P Zero Trofeo R 305/30-20 (103Y) (2271000) will result in vehicle damage!

What the heck could go wrong?
Slight difference in tire width. During hard cornering, the tire is pulled laterally away from the rim and can rub the diffuser causing cracking/damage. 15 mm spacers fix this issue.
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post #9 of 20 Old 05-15-2017, 03:06 PM
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I will get next week new tires for my 650 s. I decided to go with the new P Zero aimed for the 720s. They are 245 / 35 / R19 Front, 305 / 30 / R20 Rear. Maybe I need spacer because the front is 1 cm wider.
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post #10 of 20 Old 05-16-2017, 04:54 AM
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I will get next week new tires for my 650 s. I decided to go with the new P Zero aimed for the 720s. They are 245 / 35 / R19 Front, 305 / 30 / R20 Rear. Maybe I need spacer because the front is 1 cm wider.
From what others have said, the front is not the issue. Should be fine without spacers. The issue is rubbing of the rear diffuser. Most do spacers all around because it balances the look and makes the wheels flush with the wheel arches. To each their own.
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post #11 of 20 Old 05-16-2017, 07:27 AM
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From what others have said, the front is not the issue. Should be fine without spacers. The issue is rubbing of the rear diffuser. Most do spacers all around because it balances the look and makes the wheels flush with the wheel arches. To each their own.
Hmmh - at the rear both cars have the same tire width and the same rim width. How it is possible that the new Pzero is then wider? 99 or 103 is a load index and is not related to the width?? Somebody here to explain?
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post #12 of 20 Old 05-16-2017, 08:09 AM
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Hmmh - at the rear both cars have the same tire width and the same rim width. How it is possible that the new Pzero is then wider? 99 or 103 is a load index and is not related to the width?? Somebody here to explain?
Tyres are not made equally wide despite the same quoted spec. A 305/30/20 can and will be different in width across different types of tyres. I can assure you that inflated the correct oem sized Michelin Supersport and Cup2s are physically wider than the mc spec Pirellis either pzero or corsa as well as the 99Y Trofeo. I'd be pretty surprised though if the 720 pzero rear would be very different from the older mc stamped Pirellis.
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post #13 of 20 Old 05-16-2017, 08:16 AM
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Originally Posted by isv View Post
Tyres are not made equally wide despite the same quoted spec. A 305/30/20 can and will be different in width across different types of tyres. I can assure you that inflated the correct oem sized Michelin Supersport and Cup2s are physically wider than the mc spec Pirellis either pzero or corsa as well as the 99Y Trofeo. I'd be pretty surprised though if the 720 pzero rear would be very different from the older mc stamped Pirellis.
Maybe different across different manufacturer.

On mine 650s I can use 305/30/20 Pzero, Pzero Corsa and Pzero Trofeo - they should all be the same (in tolerance range). I suppose that old Pzero 305/30/20 and the new Pzero 305/30/20 will both be in equal size. Just imagine Pirelli have to explain to all buyers that you can`t use the new one because they are wider.
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post #14 of 20 Old 05-16-2017, 10:17 AM
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Originally Posted by nordstat View Post
Slight difference in tire width. During hard cornering, the tire is pulled laterally away from the rim and can rub the diffuser causing cracking/damage. 15 mm spacers fix this issue.
Thanks!
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post #15 of 20 Old 05-16-2017, 01:31 PM
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One of the UK guys ran cup2's on track and wore holes in the rear wheel arch liners. McLaren know about this and WILL NOT cover it under warranty.
I have MPSS on the rear of my 650 and it's never tracked. MUCH prefer them to the P Zeros. Especially for cold and wet roads.
MP4S wasn't available at the time, is it available now in the right size?

VR 650S Spider 14k miles done in 14 months!
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