You might be ready for some aerodynamic modifications. The chin spoiler in my signature below would be a good starting point.
The aero-template seems to work best with "C", I show the others to prove that there is not much of a difference where you place it on your car/truck. I say this because you high point looks to be the end of the roof, not the middle as in most vehicles. I could not find an exact side view of your car, so I used my old Zebra car and a green one found on the Internet.
I had my Tracker for 20 years, bought new in 1990 - ride on brother.
Automobile 2 - Odds and Ends pictures by kach22i - Photobucket
One again, picture "C" is the only correct one.
Three things you can do quickly:
