David Marshall wrote:
   The only way I can see to do this is to have
> the mini tank lower than the tank that you are draining from with a vent
> coming out of the top of the mini tank that leads back to the main tank.
> When you are back on the level again this design would make it fill up again
> as the air would have a way out and back into the main tank.

I think that fabricating an approximation of the Syncro fuel return and
pickup system might work.  Fuel returning to the tank goes into a "bowl"
where the outgoing fuel delivery line is located.  This probably won't
solve all of the problems associated with shallow tanks.  It's still
possible that the van would be on a steep angle for an extended period
of time that would exhaust the supply of fuel available in this small
"feedback loop" system.  If you had two tanks (one on each side, or two
smaller ones on one side) you could put the pickup point at the front of
one and the rear of the other.

Michael Snow