I know this question has been answered before. But, I searched and searched and can't find a definitive answer.

I have PCCB's so I am running 19" wheels for the track. Currently running Hoosier R6's with 295 rear and 235 front.

That set is worn out and want to replace but don't know if I can go with the bigger sizes since it is not an RS.

Think the next options are 245 front and 315 rear. Do those fit on a 997GT3 with 19"s? What sizes are you guys running that have 19"s?

Thanks for any help.

 

wish i could help, i run 18's on the track

trakcar, knows all about tire sizes for our cars

 

I ran 315 Kuhmo V710 on my C2S, so it will fit on the GT3 as well.