New to the forum mainly because this is my wife's vehicle and I haven't had a chance to start changing things on it yet. I have stuck to my F150 mainly. I want to start with hers now though. We are fixing to get a new camper and I'm looking at the towing rating at 6,000 LBs. What would be the best things to change out to get me to a towing capacity of 6,500 or 7,000? I know that there is something that I can do because the optional 5.4l can tow 9,200lbs. Thanks.