Tire pressure question

[TaycanTurbo22]

I've found this thread quite interesting. I have a Turbo (saloon) on 21" exclusives, PSCBs, rear-axle steering, Goodyear tyres.

I think the model/configuration of the car is perhaps the reason for the pressure variations observed rather than the tyre brand. Mine below for further reference.

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[B61]

Interesting, my CT with the same tyres:

Same here.
CT4, MY21, Pirelli 21”

 

[B61]

Correction: looks that i was under wrong impression…

 

[simcity]

Porsche must have a random tyre plate generator ?

 

[tigerbalm]

Porsche must have a random tyre plate generator ?

Sticker supply shortages! They use whatever sticker they can find!

For me, I've decided to use this (attached) technical bulletin as my "source of truth" – because its so comprehensive to all the approved wheels.

I do wish it gave measurements for the different NF0 brands too – as I'm sure they are some optimisations to be made there.

 

[satchurator]

Sticker supply shortages! They use whatever sticker they can find!

For me, I've decided to use this (attached) technical bulletin as my "source of truth" – because its so comprehensive to all the approved wheels.

I do wish it gave measurements for the different NF0 brands too – as I'm sure they are some optimisations to be made there.

Thanks for sharing @tigerbalm. This is the information that for some reason is included in USA manuals (both printed and electronic via My Porsche) but not for UK or Ireland (perhaps other European countries?). This should be a pinned post!

Interesting point on NF0 variants, I wonder is that knowable for each manufacturer? Or maybe they are consistent to the extent that these pressure tables are adequate. Perhaps Porsche give them parameters to which the tire is designed?

 

[simcity]

For me, I've decided to use this (attached) technical bulletin as my "source of truth" – because its so comprehensive to all the approved wheels.

Nice one. ?

Did you get sent that or search it out? Porsche only deign to send me bills and little black tombstones for my desk.

There’s only 1 psi noted difference on the front axle / in full load - compared to my plate pressures: 42 psi noted on the Manuf. Certificate and 43 psi on the B-pillar tyre plate. Others load / axle pressures are in total agreement.

So this ought to be plenty good enough to setup pressure on the 20” winters. Thank you.

 

[tigerbalm]

Did you get sent that or search it out? Porsche only deign to send me bills and little black tombstones for my desk.

I know that feeling! I wrangled it out of my Porsche Centre (Dublin) originally as part of buying a winter wheel set for Turbo S.

 

[Bill33525]

My door jam says tire pressures on my 21" Goodyears SB 37X43. So I pumped up the tires and since this is our second car didn't drive it for a few days. Next time I drove it I noticed I could feel every undulation in the road. It almost made me nauseous. Not putting together the rough ride with adding air to the tires I stopped by the dealer and was told the car was fine. I was offered a Taycan loaner to drive. First thing I noticed was the loaner was running 30X37 air pressures. The ride was better, so it dawned on me I was running too much air in the tires. I have decided to run reduced air pressure. The in car computer seems to be liking 32X36. What is everyone else running for a smooth ride?

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