I run 8 up front and 9 in the rear. I do not recommend 9 unless you want to replace tires every 10k or so.
2001 Focus ZX3-Ours Sitting in the driveway, molested by the shippers
2010 Renault Clio 1.2 16V in Germany-Hers FOR SALE
2004 SVTF EAP/ST170-Mine
2013 Focus ST2 TS NAV SUNROOF-Hers