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Tyre advice - stick with Pirelli or switch

steven.adcock

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Hi All,

I’ve recently bought a 991.2 C2S and I’m loving it!

The only issue is that in the wet, the back feels quite unsettled and I’ve lost the back end on roundabouts at low speed, with limited power/revs.

I’ve got a new set pair of P-Zero’s on the front and the rears have 4mm of tread left. Front is really nicely planted and no sense of them not coping when the rain is really coming down.

From doing a bit of research, most seem to prefer Michelin PS? Better grip in the wet? Are their different Pirelli’s to fit, like an all-weather version anyone has experience of?

Any thoughts or advice?

Thanks!
 
Hi

Firstly if the car is not feeling settled at the back then its worth inspecting your dampers to see if you can see signs of any leaks. Rear dampers wear and will need replacing at some point.

On the tyre front. The P Zero is total ****. Compared to a Mich PS4 (and probably the new 5 which I think is now available to buy) there is no comparison. With P Zeros the ride is harsh, lots of road noise and the steering heavy with little feel. Change to PS4's and all that changes. Smoother, quieter ride with lighter steering. Change to Cup 2's and those traits get even better, but then it will be a nightmare in the wet and you will get punctures. I went from P Zero to Cup 2 to PS4 with my .1 GTS, used as a daily and on track. The PS4 is definately the best allrounder. The only negative to the Michelins is that on a motorway run the mpg will drop by about 4mpg.
 
Thanks for the advice. I only got the car in Sept from a Porsche dealership and recently checked out again when I can a vacuum leak so dampers should be all fine.

Your advice and experience aligns with some of the other views I’ve read on PS4. Looks like I’ll be making a switch soon.

Thanks for the prompt response!
 
If you’ve got the older P-Zeros I’d recommend the current PZ4. I’ve had the PS4S on a previous 718 and have the PZ4 on my current 718 4.0. The Pirelli’s are much more compliant as the side wall is a little stiffer.

Dan.
 
I find the PS 4S best for mixed conditions on 991 and 992 models that I have owned. The P-Zeros were always relatively nasty (although I haven't tried the PZ4). Continental SportContact 7 might also be a good option if you can get N0 in your size.
 

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