[Stephankol]

I did some research for college credit and tested various vehicle modifications to figure out Cd changes.
I ended up testing wheel well covers, vortex generators, and belly pans on all of the vehicles. I also tested tonneau covers, camper shells, and angled bed covers on the two pickups.
The results I got were fairly consistent with what I've been seeing on the website here, but there were a few results that were kind of surprising.
I'll get my results posted here and if you have any questions, just ask me!

(the vehicles I used are also listed on ebay if you would like to try to prove or disprove my results)