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At least in terms of sidewall (look) and tread pattern that should be pretty easy to determine if there's a difference by just comparing an N spec and a non-N tire. i've got the non-N spec anyone have the N0 PS4 ?
Im also curious if there even is an N-spec PS4 in my size:
225/40 18
265/35 18
The guy at costco tried very hard to find one in the computer.
At least in terms of sidewall (look) and tread pattern that should be pretty easy to determine if there's a difference by just comparing an N spec and a non-N tire. i've got the non-N spec anyone have the N0 PS4 ?
Im also curious if there even is an N-spec PS4 in my size:
225/40 18
265/35 18
The guy at costco tried very hard to find one in the computer.
I mentioned it above I believe only the PS2 and Pirelli Zero
What usually happens as in the case of the 996 is that the car manufacturer goes to a tire manufacturer and says "we are developing a new model and want it to have better performance than the previous model and we have improved all aspects of the car and want to improve the tire contact patch for more performance, but no larger tire currently exists...so we will work with you on a wider tire to improve performance and promise to buy x number of tires for production..and they enter into a "contract" ". same with Michelin, Pirelli, and Continental ect..
In the Free World , Michelin Pirelli Continental and all other tire makers are free to make any tires they want, but they would not be making a larger tire if there were not someone willing to buy them ( ie. contract) or a car that "Needed" them..so as more cars are on the road and in the "wild" there are more tires available that are not part of a " contract" and " are free not to adhere to specifications"..
This got me to thinking about N rating.
I checked my 996 tires and out of two sets with 4 different sizes of tires, only 2 have the N2 rating.
My 295/30ZR18 have N2 on them.
Then I found this link: https://www.porschespokane.com/porsc...res-explained/
I noticed that the Michelins I put on my Honda Odyssey were listed and I remembered that they were listed as "Porsche tires" when I bought them.
Yep, my Honda’s tires are Porsche approved:
But of course I have summer performance tires on my Honda.
My wife used to drive it!
It also has a big brake kit and a tune.
Last edited by TexSquirrel; 02-21-2023 at 06:50 PM.
Its probably not a stretch to imagine a different rubber compound for a 911 just because of wear, or the desire to pick up a point on the skid pad..
Kinda like the DOT bfg tires years ago that had camber built in so that solid axle cars could corner better.. the camber ones had a "C##" number that indicated camber in degrees..
02-21-2023, 05:24 PM
