You can run up to an 11 on the front with a little work.
10's up front are EASY, AND you can rotate them front to back. http://www.vorshlag.com/product_info...roducts_id=521
Whoever told you 9 is the max up front respectfully knows jack sh!t.
18x11's with 315 Hoosiers-
18x10's with 285 RS3's-