I purchased a 2004 F-150(which I love).I put a 3" leveling kit in it and she looks great.Now Tires and Rims????I have 275/65/18 on it now but like to put bigger and wider.Can I put 305/50/20 on it without the tires rubbing?It looks like it won't rub.Also can I put them on 8.5",9" or 10" rims?There is also an offset.I would like the tires to stick out a little so what offset will work with this truck.I would really appreciate any help because I can not get an answer anywhere else.Thanks Again