Howdy Gary. Have you considered wheel adapters for the front?

http://www.wheeladapter.com/DuallyAdapters.asp

I think that Stockton Wheel Service can give you a hand.

<hr color=blue size=3><font color=red size=3>EDIT:</font>
There is an article that you might find interesting in the current issue of Truckin':

Cadually
H&H Trailer's intense heavy-duty Chevy

Here\'s the truck.

Adapters were used to fit Alcoa 22" ten lug wheels.
<hr color=red size=3>