motor sources

Hello everyone! I've been trying to make sense of some of the car conversions and kits on the web and have some questions. - I want to power a heavy van (roughly 5000lbs fully loaded) to about 65 or 70 mph, is this possible and what size (in lbs), hp, volt, etc. motor should I be looking for...

Gary, from Mount Vernon, NY. (Entrepreneur usually labeled as "eccentric" by those who know me. ) I want to try out a number of conversions with my friend who has an Auto Repair Shop. Hoping to make some commuter transport, small delivery or cool inner city transport type machines. I'm looking...