[aerohead]

Originally Posted by kach22i

Please provide a link to the 2014 version of your truck Phil.

All I could quickly find was this 2012 information quoted below.

http://ecomodder.com/forum/showthrea...tml#post289914


What Cd number does your opening list all match?

All the vehicles are in the Cd 0.26-to- Cd 0.27 range. Some were provided with 'counts', most not.
The Spirit of Ecomodder thread should have the data from DARKO.
There is the possibility that, if measured at the A2 Tunnel, Spirit would have recorded Cd 0.244 with mirrors. Cd 0.219 without.
The fuel economy is better than what Cd 0.2675 average would predict, but I had rubber gearing, passenger car tires, and syn-lube. So that might help explain the higher numbers, and the higher top speed.
I'd like to go to North Carolina and check the Cd there.