This is probably among the most asked question on here.
Your RIMS are 18" x 7", your OEM TIRES are 245/60/18.
http://www.vehicross.info/modules.ph...warticle&id=21
Use the SEARCH FUNCTION and you'll find a ton of info, what works, what doesn't, issues, etc...
As Tom said, the trimming required for 285/60-18 is SUPER EASY and you can do it in 5 minutes with a dremel.
This is it, a tiny triangle shape piece.
I did NOT have to make any change to springs or turn the TBs.