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kurlykris
Magny-Cours


Joined: 30 Jun 2014
Posts: 2640
Location: Warwickshire


PostPosted: Tue Dec 10, 2019 8:45 pm    Post subject: A quick Michelin tyre question Reply with quote

I`m about to replace the rear tyres on the Boxster S which are just over 6 years old Michelin PS2`s, the fronts are newer and hardly worn PS2`s, all N4 rated.
The question is, will it be ok to replace the rears with PS3`s or 4`s or will that upset the front to rear balance of the car, bearing in mind she does see the track half a dozen times a year, which is why the rears are mullered Very Happy

Your views will be very much appreciated chaps and chapesses Thumb
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FZP
Estoril


Joined: 18 Jan 2015
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PostPosted: Tue Dec 10, 2019 8:54 pm    Post subject: Reply with quote

So I went for. PS2 to MPSS across all 4 wheels and noticed that there was a marked improvement between the 2 tyre types. Given the MP4S replaces the MPSS, and they are a step ahead again, perhaps it may have some effect. But I'm drawing a long bow to make that assumption. Perhaps a change of tyre pressure at the front, or different driving style may get around it?? Perhaps the smaller diameter wheels on the Boxster making the change over less painful than the 19" version, whilst flogging the old tyres to offset the cost?
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James M-S
Suzuka


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2009 Porsche 997 Carrera 2

PostPosted: Tue Dec 10, 2019 8:58 pm    Post subject: Reply with quote

You’ll be fine.

I even finished off my Pirelli’s on the rear after I had put PS4S on the front, and didn’t spin off in a fireball.

Sure it’s not what we’d do in a perfect world, but how often are you at the limit of traction, and even if you are flirting around the limit, you’ll feel it and back off accordingly.
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Marky911
Sepang


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PostPosted: Tue Dec 10, 2019 11:50 pm    Post subject: Reply with quote

Hi Kris,

I’d stick with PS2 (N rated) or go for Cup2’s (not N rated).

PS3 are a very good but ordinary tyre. Likewise for the PS4.

PS4S is the performance tyre which is great on road and track, but not available in 996 or 986/7 sizes.

So for track work I’d go for Cup2’s or like I say for road use, good ole PS2s.

I had to make the choice for my ‘6 GT3 this year and went with the PS2 as I’ll spend more time on wet roads than dry tracks.

Oh and people whinge on about PS2s being ancient. They are over a decade old in name, but have had plenty of revisions along the way. If you want N rating in the smaller sizes then they’re still the best option.
 
  
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G-996
Newbie


Joined: 03 Apr 2018
Posts: 24



PostPosted: Tue Dec 10, 2019 11:57 pm    Post subject: Reply with quote

I would be a little cautious. From memory, I don’t think PS3 is a performance tyre, but PS4 is. As your car is only 2 wheel drive, you have a bit more flexibility than being forced to adopt the N-rated tyres in a 4 wheel drive car (to avoid straining the ‘diff with tyre sizes different to that envisaged at design stage). My advice would be go for PS2 replacements, which are readily available and not too pricey, unless going for a higher performance Michelin variant.

Or get a Pirelli, and be so grateful you don’t die in a fireball during every drive you have to post on the forum about it...😜
 
  
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kurlykris
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Joined: 30 Jun 2014
Posts: 2640
Location: Warwickshire


PostPosted: Wed Dec 11, 2019 7:28 pm    Post subject: Reply with quote

Thanks for your input guys Thumb

I asked the question as my local tyre guy had intimated that PS2 were no longer available and I would have to go for PS3 or 4 nooo

I`ll pop in and give him a poke in the eye for telling porkies Grin

As for Pirelli, I`ll give them a miss as I tried a set on my daily and they lasted about 2 months due to all the drifting they made me do Hand
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911UK
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1997 Porsche 993 Carrera 2

PostPosted: Wed Dec 11, 2019 10:01 pm    Post subject: Reply with quote

the Michelin PS2 N4 is still available

what size are you after ?
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kurlykris
Magny-Cours


Joined: 30 Jun 2014
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Location: Warwickshire


PostPosted: Wed Dec 11, 2019 11:39 pm    Post subject: Reply with quote

265/40/18 standard sizes Thumb
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911UK
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1997 Porsche 993 Carrera 2

PostPosted: Thu Dec 12, 2019 2:40 pm    Post subject: Reply with quote

https://www.kwik-fit.com/tyres/search/details/michelin/michelin-pilot-sport-ps2/t1007619
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kurlykris
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Joined: 30 Jun 2014
Posts: 2640
Location: Warwickshire


PostPosted: Thu Dec 12, 2019 8:48 pm    Post subject: Reply with quote

Good Lord Surprised

When Chris W from Exel refurbed the wheels and fitted new fronts 235/40/18s they were only £150 for the pair Grin

I`ll give my tyre guy a ring and see what price he comes in at, he usually gives me a good deal as I use him all the time, yesterday he put 2 x 265/35/18 Bridgestone Turanzas on the daily for £300 inc thumbsup


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jerzybondov
Monza


Joined: 27 Apr 2015
Posts: 167



PostPosted: Sat Dec 14, 2019 1:11 pm    Post subject: Reply with quote

The PS4 is a replacement of the MPSS, not PS3. They're essentially two generations newer than your PS2s, but the same type of tyre.

I wouldn't worry about mixing them between axles, just replace the older tyres when you get round to it and end up with a full set of PS4.

There are some good threads on here from a couple of years ago with an engineer from Michelin talking about this range of tyres, he wasn't allowed to say so explicitly but intimated that you're better off with a PS4 than N rated PS2. Only reason to go PS2 is for warranty if you have one.
 
  
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Ridders
Spa-Francorchamps


Joined: 20 Feb 2008
Posts: 353
Location: NW


PostPosted: Sat Dec 14, 2019 2:35 pm    Post subject: Reply with quote

kurlykris wrote:
Good Lord Surprised

When Chris W from Exel refurbed the wheels and fitted new fronts 235/40/18s they were only £150 for the pair Grin

I`ll give my tyre guy a ring and see what price he comes in at, he usually gives me a good deal as I use him all the time, yesterday he put 2 x 265/35/18 Bridgestone Turanzas on the daily for £300 inc thumbsup



Just for reference I’ve recently bought & had delivered only from Black Circles, PS2s just for the warranty which I’m considering:

235/35 R19 £111.86 each x 2
295/30 R19 £157.37 each x 2
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Marky911
Sepang


Joined: 04 Jun 2009
Posts: 2801



PostPosted: Sun Dec 15, 2019 10:51 am    Post subject: Reply with quote

jerzybondov wrote:
The PS4 is a replacement of the MPSS, not PS3. They're essentially two generations newer than your PS2s, but the same type of tyre.

I wouldn't worry about mixing them between axles, just replace the older tyres when you get round to it and end up with a full set of PS4.

There are some good threads on here from a couple of years ago with an engineer from Michelin talking about this range of tyres, he wasn't allowed to say so explicitly but intimated that you're better off with a PS4 than N rated PS2. Only reason to go PS2 is for warranty if you have one.


Hi Jerzy, not being funny or anything but I’m not sure that’s correct.

PS4S is the Supersport replacement not the PS4. Just like the Cup2 is the Cup replacement.
PS2 is a high performance road tyre, if a little old.
PS3 a far more normal road tyre.
PS4 returns to the Sports ethos apparently, so closer to PS2 with supposedly better wet grip, but no N rating and they’re more commonly fitted to hot hatches.

If what you say comes from a Michelin guy then fair enough but it makes everything I’ve read incorrect. Dont know

Like I say I’d go Cup2 for a summer car, or PS2 (or maybe PS4) for a daily car.
PS4 wasn’t available in certain 996 sizes a while back though. We’d have to buy 275/35 instead of 265/35 or 285/30.

Like oil though, we all have to make up our own minds. Thumb
 
  
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ras62
Hockenheim


Joined: 20 Jan 2012
Posts: 660
Location: Cheshire


PostPosted: Sun Dec 15, 2019 10:59 am    Post subject: Reply with quote

I asked Michelin recently about a choice between PS2 N rated and PS4. PS4 was the answer I received.
 
  
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Magic919
Barcelona


Joined: 05 Jun 2013
Posts: 1311
Location: Berkshire


PostPosted: Sun Dec 15, 2019 11:35 am    Post subject: Reply with quote

MPS4S has become the standard answer for tyres, but they don’t make them for smaller diameter wheels.
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