Quote:
Originally Posted by darcane
This image gets posted somewhat regularly on here:
GMC Truck Division found three areas to tweak that netted a combined 2+mpg increase. So, I think filling this void is certainly a worthwhile endeavor.
I used corrugated plastic on a frame made of steel strapping (see thread in sig). I planned on covering the voids on the frame rails with the same construction, I just haven't gotten to it yet. |
Absolutely the picture I was thinking of.
I have a chin spoiler, I have a hard tonnau cover, and now I'm hopeing to redo the exhaust, and, while i'm under there, cover the side areas highlighted.