After owning 2 6.4s ('09 & '10 F450s) and blowing a piston in each, I am debating going to a Ram 3500 dually. Tow a 19500lb fiver, and will put about 30k/year miles on it. Having owned a Ford truck for the last 15 years, I find myself lost in trying to build a Ram on the website and finding the...