Just saw the post, I run:
38psi cold all around--- in orange county the roads are pretty good but if they were not, I might run 40psi...
2015 Porsche GT3 White
2014 Ferrari 458 Italia Rosso Corsa
2012 Ferrari FF Bianco Avus
2012 Audi R8 V-10 Ibis White
2012 Mercedes Benz C63 AMG Black Series Obsidian Black