Thought I would post this trip we just came back from. Not great but not bad either.
2002 GMC Duramax (now has 206021 miles) CC, SB, Lear camper, EU3000IS
2001 70th Anniversary Slide-out 30Ft(actually 31 but who's counting)
ProPride Hitch, Sendel wheels w/ 235 75 16's Michelin E rated @75psi
trailer loaded and with a full tank of fresh water---
Steering axle-3910lbs(98% restored), Drive axle 4110lbs, Trailer axles 8160lbs (8 tons rolling, Trailer with hitch at 9140lbs---40 lbs over)
Starting Altitude---4600ft, max altitude on trip (Eisenhower/Johnson tunnel @11,158 ft, ending altitude at lake michigan 581ft
Mostly driven at around 65 but topped the continental divide tunnels AT THE SPEED LIMIT---maybe just a little over just because I could.
Miles driven 2664.6 (odometer)
Fuel consumed 209.33 gallons(US) (Receipts)
BTW... If anyone finds my "stinky slinky" on the side of the road between Denver and North Platte.......