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I have a 24' 911 Carerra. Recommended PSI for the Pirelli P-Zero tires (on the door info) is 37psi front - 45psi rear.
I know I should follow the recommend PSI but it seems so stiff and bumpy. I looked into this and Porsche recommends everything from low 30's to 34-39psi.
Seems as though there is a spectrum for psi. Fair enough. What do you guys recommend.
I live in California, so pretty good weather overall. Summers are hotter.
Sorry, I can't help myself....This has been thoroughly discussed in other threads. You have other options for tire pressures that will vastly improve ride . Just look in your owners manual!!
I am running the partial load with comfort settings on P Zeros, 29f/32r. PCM will tell you what to adjust to. 2024 Carrera T which = 20/21” wheels, Sport Chrono, and SPASM.
BTW, One ultimately needs to decide if they are going to run at partial load or full load. I highly doubt that many individuals here are actually running a full load. Per Porsche a full load constitutes as four passengers with cargo.
I have a 2020 Carrera S with 20 and 21 inch wheels and Sport Suspension. Using the door sill pressures of 36/45 psi results in a rough, uncomfortable ride rather like a truck. I unchecked all the boxes in the PCM and use 33/38. psi instead. It's still a bit rough, especially over railroad tracks, but much better than before.
factory max pressures are to minimize potential heat build up-related catastrophic tire failure when, say , traveling w max weight load of passengers/ luggage at extended max speed on the hottest day of the year , in the desert ...every auto and oem tire manufacturer has to factor that in per their default
" door jam " tire pressure label
factory max pressures are to minimize potential heat build up-related catastrophic tire failure when, say , traveling w max weight load of passengers/ luggage at extended max speed on the hottest day of the year , in the desert ...every auto and oem tire manufacturer has to factor that in per their default
" door jam " tire pressure label
I would figure that max would potentially cause a blowout, especially after getting hot.
I am running the partial load with comfort settings on P Zeros, 29f/32r. PCM will tell you what to adjust to. 2024 Carrera T which = 20/21 wheels, Sport Chrono, and SPASM.
BTW, One ultimately needs to decide if they are going to run at partial load or full load. I highly doubt that many individuals here are actually running a full load. Per Porsche a full load constitutes as four passengers with cargo.
02-18-2024, 06:19 PM
Pirelli Tire correct PSI 911
