The only practical solution is to mount the seat farther back utilizing an adaptor plate, but just about every PC has a slide-out behind the driver that will limit the amount. You might be able to gain some inches, but it might come at a sacrifice to reclining.
Everyone has the same complaint about the Ford E350/E450 chassis. It is not exclusive to Phoenix Cruisers, but rather to every RV manufacturer utilizing the E-series chassis.
One thing that I always have to acclimate to, is the location of the pedals. Compared to all my other vehicles, they are skewed to the left. Because I don't drive the rig except on trips, it always takes two days to get used to it. Then all is well.
