Hello, I'm new to the forum and to towing and was hoping to get your towing expertise. I'm looking at purchasing a 2010 Ford E250 Cargo van with either a 4.6 V8 (225 hp.) or a 5.4 V8 (255 hp.) to convert to a camper van and hopefully my son's 22' 2009 Harris Sunliner Pontoon with a 60 hp...