[skyking]

The proposed trailer will be 12" to 14" taller than the truck. It seems that the air gets accelerated right at the top edge of the cab pretty rapidly. I think bringing the height change forward and fairing up on top of the cab might be worth the trouble. Thoughts?
The trailer will be ultimately wider than the roof of the truck but I can transition to that width from the back of the cab all the way to the back of the bed if I want to. I was thinking a fairing that had tumblehome on the side, and made the top of the cab more closely resemble an ideal shape.