I feel more enlightened Eugene . Thanks.

But this one still cant get in my brain


When you go up hill most of the vehicle weight goes on the back wheels. I thought that actually if they are single wheels there is so much weight on them that they will be forced to spin and sink (loose dirt or mud).

Another thing. What is it about duall conversion if duals have all these limitations. There is lots of websites and companies that offer duall conversions. Here are two.

http://www.coachcraftindustries.com/dually.htm

http://www.duallyfendersusa.com/