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MPS2 or MPS4 for the 993?
PS2
57%
 57%  [ 4 ]
PS4
42%
 42%  [ 3 ]
Neither!
0%
 0%  [ 0 ]
Total Votes : 7

Author Message
ch3tman
Montreal


Joined: 08 Dec 2012
Posts: 505
Location: RBWM & W.London

1995 Porsche 993 Carrera 4

PostPosted: Fri Feb 17, 2017 6:01 pm    Post subject: Michelin PS2 or PS4 for the 993? Reply with quote

We have't had a tyre thread for a while, right? Very Happy.

Which would you go for and why? Poll is open for voting Smile.

MPS2
+ tried & tested
+ N-rated
+ good rim protection
- 'old' technology?
- may get phased out; fronts will outlast rears and pose a problem if/when rear PS2 become NLA


MPS4
+ latest evolution of Pilot Sport range
- not N-rated
 
  
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madge
Nürburgring


Joined: 29 Dec 2015
Posts: 377
Location: Hampshire


PostPosted: Fri Feb 17, 2017 6:40 pm    Post subject: Reply with quote

I've recently put PS4s on my other wheels but haven't used them yet.

My decision was based on not having a Porsche warranty to worry about (so not particularly fussed by N ratings) and I'd heard that the word on the street was that the PS4 was a much more 'modern' tyre.

I can't wait to try them out. Not long now. Smile
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ChrisT70
Barcelona


Joined: 26 Mar 2015
Posts: 1380
Location: The Sea


PostPosted: Fri Feb 17, 2017 8:47 pm    Post subject: Reply with quote

Ps4 are the dogs danglies. No need for n rating worries
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ch3tman
Montreal


Joined: 08 Dec 2012
Posts: 505
Location: RBWM & W.London

1995 Porsche 993 Carrera 4

PostPosted: Fri Feb 17, 2017 9:09 pm    Post subject: Reply with quote

Thanks guys,

Yes - tend to agree about N-ratings due to no warranty worries, but I wonder if there are insurance implications....

Also, we should note there is the PS4 and the PS4S. The latter are pitched as the better peforming tyre but I don't think they come in sizes smaller then 19", so not really relevant to 993s (unless you're running RUF wheels?)
 
  
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madge
Nürburgring


Joined: 29 Dec 2015
Posts: 377
Location: Hampshire


PostPosted: Fri Feb 17, 2017 10:15 pm    Post subject: Reply with quote

Haven't done a side-by-side comparison but I think the rim protection on the PS4s compares well with the PS2s.

Not the best picture but hopefully gives you some idea:


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ch3tman
Montreal


Joined: 08 Dec 2012
Posts: 505
Location: RBWM & W.London

1995 Porsche 993 Carrera 4

PostPosted: Fri Feb 17, 2017 10:40 pm    Post subject: Reply with quote

madge - that's really helpful, thank you thumbsup.

The lip protection seems good on the PS4 - parking in and around London means kerbing is a valid concern!

Also, the PS4 appears to be slightly cheaper than the PS2, yet much newer, so perhaps this is a no brainer.

EDIT: some good feedback here too: http://911uk.com/viewtopic.php?p=1286645#1286645
 
  
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Tobesetc
Suzuka


Joined: 02 Jun 2014
Posts: 1186
Location: West London, UK


PostPosted: Fri Feb 17, 2017 11:24 pm    Post subject: Reply with quote

Interesting, thanks guys. I've always used PS2s just because that's what you do, but maybe a change to PS4 tyres is in order next time!
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Zorro
Monza


Joined: 05 Oct 2014
Posts: 150
Location: East Sussex


PostPosted: Fri Feb 17, 2017 11:36 pm    Post subject: Reply with quote

Just fitted one PS2 at the rear which was marginal for tread depth at MOT time following the other rear being replaced after a side wall puncture a couple of months ago. I have zero experience of the PS4, but I'm pretty happy with the PS2's. Bought the tyre from Camskill at £188 which I thought was a whizzo deal until SEtyres charged £25 to fit it although they did want £235 to supply and fit themselves. I would have thought £15 was sufficient to do a tyre change especially as I have a skip in my front garden at present, what with a new bathroom being installed, and I could have done the "environmental disposal" myself.
 
  
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Outliar
Spa-Francorchamps


Joined: 04 May 2014
Posts: 270
Location: Hampshire


PostPosted: Tue Mar 07, 2017 9:37 am    Post subject: Reply with quote

ch3tman wrote:
madge - that's really helpful, thank you thumbsup.

The lip protection seems good on the PS4 - parking in and around London means kerbing is a valid concern!

Also, the PS4 appears to be slightly cheaper than the PS2, yet much newer, so perhaps this is a no brainer.

EDIT: some good feedback here too: http://911uk.com/viewtopic.php?p=1286645#1286645


Thanks for posting that review link. Recently replaced my Contis for PS2s, and I don't do much mileage, so academic for me but good to know for the future.

I'm enjoying the PS2s, much better feel than the contis, so will follow with interest as others gain experience of the ps4s.
 
  
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The Dragonmeister
Monza


Joined: 28 Apr 2012
Posts: 203



PostPosted: Wed Mar 08, 2017 11:47 pm    Post subject: Reply with quote

A bit academic as the PS4 is not available in 17 inch size. I understand the motivation to get the best tyres possible but not at the expense of ride comfort.

I have the same issue with a NA MX-5 sticking with 14 inch wheels as most performance tyres start with larger wheel sizes.
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Gaity
Silverstone


Joined: 25 Sep 2008
Posts: 107
Location: Mid-Wales and Sunderland


PostPosted: Tue Apr 25, 2017 7:03 pm    Post subject: Reply with quote

so....if one bites on the PS4 being the superior tyre and wanted to replace 285/30/18 PS2s on the rear of a C4S with them - as PS4s aren't made in that size, would 275/35/18 be an acceptable option? Good or bad?
A little more height (21mm), a little less width (10mm), 3.6% speedo variation.
Question
 
  
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NottsRS
Barcelona


Joined: 11 Jan 2009
Posts: 1301



PostPosted: Tue Apr 25, 2017 7:18 pm    Post subject: Reply with quote

Gaity wrote:
so....if one bites on the PS4 being the superior tyre and wanted to replace 285/30/18 PS2s on the rear of a C4S with them - as PS4s aren't made in that size, would 275/35/18 be an acceptable option? Good or bad?
A little more height (21mm), a little less width (10mm), 3.6% speedo variation.
Question


would it not have a damaging effect on the viscous coupling altering the circumference on the rear axel Question
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964 RS | GP White | Lightweight
993 4S | Viola Metallic | Factory Non Sunroof | [Jan'09-Mar'16]
 
  
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Gaity
Silverstone


Joined: 25 Sep 2008
Posts: 107
Location: Mid-Wales and Sunderland


PostPosted: Tue Apr 25, 2017 7:24 pm    Post subject: Reply with quote

NottsRS wrote:
Gaity wrote:
so....if one bites on the PS4 being the superior tyre and wanted to replace 285/30/18 PS2s on the rear of a C4S with them - as PS4s aren't made in that size, would 275/35/18 be an acceptable option? Good or bad?
A little more height (21mm), a little less width (10mm), 3.6% speedo variation.
Question


would it not have a damaging effect on the viscous coupling altering the circumference on the rear axel Question


Not sure - as it's viscous wouldn't it just take up the difference or add a little more front bias? Maybe change the fronts to 235/40/18 to even it up a bit?
 
  
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NottsRS
Barcelona


Joined: 11 Jan 2009
Posts: 1301



PostPosted: Wed Apr 26, 2017 8:12 am    Post subject: Reply with quote

Gaity wrote:
NottsRS wrote:
Gaity wrote:
so....if one bites on the PS4 being the superior tyre and wanted to replace 285/30/18 PS2s on the rear of a C4S with them - as PS4s aren't made in that size, would 275/35/18 be an acceptable option? Good or bad?
A little more height (21mm), a little less width (10mm), 3.6% speedo variation.
Question


would it not have a damaging effect on the viscous coupling altering the circumference on the rear axel Question


Not sure - as it's viscous wouldn't it just take up the difference or add a little more front bias? Maybe change the fronts to 235/40/18 to even it up a bit?


I'm no technical expert but would have thought excessive or constant engaging of the viscous coupling would case it to overheat and burn out, especially running at higher speeds? If it was permanently engaged would it put excessive strain on other parts of the drive train too? Probably best to speak to your indy garage. Or if GT4 is reading this he would probably know for sure Thumb
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jerzybondov
Silverstone


Joined: 27 Apr 2015
Posts: 127



PostPosted: Wed Apr 26, 2017 2:31 pm    Post subject: Reply with quote

Does the manual state what the winter tyre option sizes are for the C4S? Winter rears on the C2 are 265/35/18 which is only 1.8% less diameter/circumference than the 275/35s. Generally speaking I wouldn't be too keen on a big disparity between front and rear wheel diameter with 4 wheel drive. But on a C2 I'm very tempted myself to go PS4 all round with 275/35s on the rear.
 
  
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tim993
Shanghai


Joined: 22 Aug 2006
Posts: 4948
Location: Hampshire


PostPosted: Wed Apr 26, 2017 3:59 pm    Post subject: Reply with quote

I've just fitted PS2s and find them a revelation compared to my previous tyres. When I looked into PS4s they were not available in 18" sizes so they ruled themselves out of the contest.

PS I would have voted for PS2s if it would have allowed me to!
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1995 993 turbo
2015 981 GTS
 
  
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rob_watti
Newbie


Joined: 11 Apr 2011
Posts: 48
Location: Skipton, N.Yorks


PostPosted: Thu Apr 27, 2017 10:02 am    Post subject: Reply with quote

I've just gone for a set of PS4's on mine. I discussed this with COG and the conclusion was if your not bothered about N rating PS4 is the one to have.
 
  
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jerzybondov
Silverstone


Joined: 27 Apr 2015
Posts: 127



PostPosted: Thu Apr 27, 2017 11:22 am    Post subject: Reply with quote

rob_watti wrote:
I've just gone for a set of PS4's on mine. I discussed this with COG and the conclusion was if your not bothered about N rating PS4 is the one to have.


Yes, even Michelin themselves (if you hunt down some of Jamie McWhir's comments online) say that the only reason to go for PS2 is warranty, over the PS4.

Did you have to deviate a bit from OEM size to put PS4s on though? Or are you running 17s?
 
  
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rob_watti
Newbie


Joined: 11 Apr 2011
Posts: 48
Location: Skipton, N.Yorks


PostPosted: Thu Apr 27, 2017 2:55 pm    Post subject: Reply with quote

No i'm running 18" technology wheels. Haven't actual been out in the car yet to see how they perform as I'm just finishing off the geo
 
  
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jerzybondov
Silverstone


Joined: 27 Apr 2015
Posts: 127



PostPosted: Thu Apr 27, 2017 3:14 pm    Post subject: Reply with quote

rob_watti wrote:
No i'm running 18" technology wheels. Haven't actual been out in the car yet to see how they perform as I'm just finishing off the geo


So you've gone for 275/35/18s on the back then? Would be very interested to hear how you feel about them once the car is all set up.
 
  
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