I am about to get a set of PF01's for the street/track and, while I have no problems picking the correct rears (18-9.5-45), I am hesitating between 17-7.5-45, 17-7.5-38 and 17-8-45 for the fronts. I need to clear my Brembo Indy brakes and have more front tire choices. Would appreciate experience feedback. Thanks