For the most part id like to think im pretty well versed and knowledgeable about the s197 but I do have ques on the 07 in relation to some things I have read. First ques, what is the stock gear ratio on a 5spd mustang gt? I know that the 05 and 06 cars had 3.55s but I read its now an option? Are 3.31s now the standard gear? Question number 2, Has there been a change to the cooling system? Last question, at my job which is at a dealer I have noticed certain cars which appear to all have the iup options have different **** knobs then others and different colors dashwork. grey and silver. thanks in advance.