That article and video were worth it just to know a wider tire on the same wheel can make you slower.
Video was better than article due to more details.
Ah, ok, I saw those photos (it is difficult to remember everything that everybody posts).
I think the side view of those wheels and tires looks great, but I am not willing to accept rubbing anywhere.
I guess I will check out whether the 325 tires are "close enough" for the rear, since they...
Interesting, since they are 340 Treadwear, which usually means a harder compound that does not grip. Pilot Sport 4s is 300 Treadwear. My current (factory supplied) tires are 180.
How (or why?) did you come up with those 325 and 355 sizes? Those are a lot larger than the Handling Package...
https://www.caranddriver.com/news/a65553563/chevrolet-corvette-zr1x-nurburgring/
Goodbye, GTD: The Corvette ZR1X Is the Fastest American Car Around the NĂĽrburgring
Chevy brought out the Z06, ZR1, and ZR1X, along with a trio of development drivers, to showcase the Corvette's prowess on track...
Link (800 laps), Wallace (425 laps) and Cattell (600 laps) have extensive experience behind the wheel on the NĂĽrburgring Nordschleife, and have gone to the NĂĽrburgring a combined 31 times to develop and test GM vehicles. The track offers unique road dynamics that challenge both the drivers and...
Did you watch the video?
That driver is not losing 20-30 seconds to anybody.
Brian Wallace is not a professional race car driver, but he is certainly no slouch and is familiar with Nurburgring.
I tried it a couple times. Ran over the pedestrian both times. The first one was just a test. The second one was a confirmation. I decided not to try it a third time.
Apparently, GM and Michelin spec'd two special tires with special TPC codes.
I do not know which one of those two was on that run.
https://gmauthority.com/blog/2024/09/2025-corvette-zr1-features-improved-tire-spec-over-c8-z06/