The 32' length concerns me more than the weight. Our kids are small, and there's no way we'll come close to exceeding 6,500lbs for the foreseeable future. My wheel base on the Ford is only around 140", but my service dealer said it shouldn't be an issue. Frankly, I'll probably rent a trailer this summer just to check it out.
I'm 40 years old, and the days of thinking I'm a cowboy are long gone. I'll take her slow, and probably not even fill the water tanks until we get close to our destination. Living is Seattle, we do have a mountain pass (snoqualmie pass/cascade mountains) to negotiate from time to time, but snow will never be an issue and the pass in nicely divided with 3-4 lanes in each direction during the steep grades. If I'm doing 50, I'll move right. LOL