Stuck in Commiefornia...
Join Date: Dec 2008
Location: Clearfield, Utah
Thanked 447 Times in 315 Posts
2 Stroker: I'd bet your total fontal area is about the same, maybe a little more than mine, and that combined with the additional 3000lbs is the difference in fuel economy. The angle of the front of the 5th wheel will make a small difference too, if you have a near vertical cap on the front of the trailer it can cost you 1/2 mpg vs. a sloped nose like what my Prowler was designed with.
The Current Truck (Oct-2013 to Present):
1999 (Early) F-350 Lariat, CCLB, SRW, Black/Tan
7.3L Powerstroke, 4R100, 4x4, 3.73, 37x13.50-18s, '05 Axle Swap, 6" Fabtech lift, GTP38 "D66" turbo upgrade, SCT 4-position chip with custom tuning by me, Straight Piped 4" down pipe through 5" dual stacks, N-Fab full length triple steps, Pro-Tech cab guard and tool box, louvered 5th wheel gate, Hella 500 Fog and Driving lamps, much more to come...
The one I'll miss, (Mar-2009 to Jan-2014):
2000 Excursion XLT 4x4
6.8L V-10, 4R100, 4.30, 285/75-18, 271whp / 388wtq
The one I won't, (Jul-2005 to Sep-2012):
2005 F-350 XLT, CCLB, SRW, 4x4 FX4
6.0L PSD, ZF-6S650, 3.73, 35x12.5-18, 4.5" Lift