Heck yes I would!
But why would the oil cooler make it difficult? The Advan 18's are 8" 45 front and 9" 50 rear which should fit inside the fender just fine..
Im also looking at these wheels as well but figure I wont be able to go forward with them till next year, figure I get a year outta my stock setup, and I also will need to get a winter setup next winter anyhow so..