105 replies to this topic

[97grandby]

I searched and can't find a topic so sorry in advance if I missed it. Wondering what you fellow wander's are getting mpg wise in your rigs on the hwy. I have my camper on a 1990 Ford F-250 manual std cab long bed. Last 600 mile road trip doing 75 mph i avg just over 11 mpg. Best I have gotten in the old rig is around 12 mpg. Doesn't matter if I have the camper on or not. Doesn't really effect me.


1990 Ford F-250
1997 fwc grandby

[Outnabout]

'95 Dodge Ram 12 valve with Grandby. Highway driving 55-60 we can get 18mpg.

[MuleHawk]

I get 13.5 combined with the camper on. Pretty much the same at highway speeds. '13 Tundra 5.7. I'll take it.


www.mulehawk.com

Edited by MuleHawk, 28 May 2016 - 03:28 AM.

[97grandby]

'95 Dodge Ram 12 valve with Grandby. Highway driving 55-60 we can get 18mpg.

just wondering what do you get if you are doing 75 mph? How much does it drop off?


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[DYNOBOB]

'06 Cummins at 72-73mph (1900rpm) = 14mpg

 

 

900 miles to Michigan (pretty flat) last week pulling 8.5x17 trailer at 72mph = 11.5mpg.  This surprised me because I've never gotten better than 10mpg previously w/ a flush Leer capper, have gotten 8mpg at times.  Only thing I can figure is its a better aero package with the camper.

Edited by DYNOBOB, 28 May 2016 - 04:48 AM.

[97grandby]

'06 Cummins at 72-73mph (1900rpm) = 14mpg



900 miles to Michigan (pretty flat) last week pulling 8.5x17 trailer at 72mph = 11.5mpg. This surprised me because I've never gotten better than 10mpg previously w/ a flush Leer capper, have gotten 8mpg at times. Only thing I can figure is its a better aero package with the camper.

when I tow my 7k toy hauler I get around 6-7 mpg. My newer gmc gas with the 6.2 does much better around 8-10 pulling it. But kinda limited off road.


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[Tuff Guy 62]

16.0 mpg @ 65 mph with a 2000 Chevy Silverado 5.3 V8 with ATC Panther shell.

[Chopperguy]

'07 Tundra (5.7) '14 Hawk. If I keep the RPMs below 2000 (about 68 mph) then I get 13-15.  Above that it drops to 11-13.

[Lineman]

'13 f250 6.2 gas and grandby 12 mpg

[longhorn1]

13 - 14 mpg @ 65 mph with gas F-250 and fully loaded Grandby. Anything over 65 and it drops to around 11 mpg.

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Edited by longhorn1, 28 May 2016 - 01:45 PM.