Starting with some aerodynamic mods. I made a tonneau cover out of vinyl and had plenty left over. I decided to use the vinyl to make a belly pan that could stretch over the TTB (Ford's front independent 4x4 axle) . This allows the TTB to flex. Took a great deal of sewing and patience, but it wraps up around the wheel wells and around all the suspension bits. Here are the pics:
from the front....
wrapping around the wheel (passenger side)....
from the back....