Other change not mentioned is that the 2027stingray z51 final drive ratio is improving from 5.17:1 to 5.56:1 while none-z51 stingrays keep the same 4.89:1 ratio
New 6.7L is 535hp and 520TQ
https://www.caranddriver.com/news/a70846998/2027-chevy-corvette-sixth-generation-ls6-v8-engine-revealed/?fbclid=IwdGRjcAQyNmFleHRuA2FlbQIxMQBzcnRjBmFwcF9pZAo2NjI4NTY4Mzc5AAEeS3EoYkdyb7XCkVZMQV5EOJxrdPAIjaTlSdwjdSL1uWBm36izBjuL-HQA8VU_aem_46Vnq4WSdgFn5aNKMTxZ-g
It’s not the tires it’s the car it self as it has very little sound deadening to save weight.
Michelins are the best overall street performance tires on the market