I have 19" 235/265 Hankook V12's and I run 38/38. That seems to be the sweet spot for (in my personal opinion) for these tires. Not sure what you're running, but I'd suggest setting them at something and going for a drive. Seeing how it does and adjust accordingly.
Last edited by MrRetep; 11-26-2012 at 11:40 PM.