I have owned Starke Koa Kampground for the last 8 year's,trust me when I say I've seen it all or most of it ,I own a 2002 F350 7.3 PSD,4 speed auto,4:10's, 4 door long bed dullie pulling a 2004 sunnybrook 31 bwks,32 ft 5'th wheel with 3 slide's,at the truck stop scale I weigh 20900#'s,I get 9-11 MPG loaded and 15 -17 empty depending on head wind's,hill's and the big one "SPEED",In the park now I have 2-2008's,one same boady style as mine except it's a F450 with the 6.4 PSD and the 5 speed auto with the 4:30's pulling a new landmark 38 ft with 4 slide's,he get's 7 MPG top's loaded and 13-14 empty,the other a F350 extended cab short bed,4x2, not a dullie, with the V10 and 5 speed auto, pulling a new bighorn 39 ft with 4 slide's,he get's 9 MPG loaded and 14 MPG empty,never ever compare the older pre regin diesel truck's with the new one's with the regin crap,let's see,2 x's the amt of oil in the crankcase,dubble the price of oil filter's,ungodly price's for fuel filter's and a what, $5000.00 up charge for the diesel over the V10,it used to be fun having a diesel but at $0.30- $0.40 a gal premum on diesel who need's it,love my old 7.3,but it's the last diesel I'll own,the EPA has gone nut's with this,go to www.forddieseldoctorsdts.com/,click on article's and go down to the diesel emission's article and look at the graph of diesel emission reduction's from 1991 tell now,it's nut's and job security at the epa,they will not rest tell they get pure oxygen at the tailpipe,thank's EPA for screwing up a great thing.