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Old 08-19-2016, 06:24 AM   #1
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Fuel economy

Recently purchased a 2015 FR3 28DS and took it on a longish trip. Mostly highways, but not really any mountains or any of that. Drove at about 70MPH most of the way and got a little more than 6mpg with no toad. Does that seem about right? Or do I need to get something checked?
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Old 08-19-2016, 07:02 AM   #2
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Driving that fast 6 mpg seems reasonable to me, you may be surprised by slowing down just 5 mph you may get a real jump in milage it was that way with my class A
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Old 08-19-2016, 07:42 AM   #3
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Your haulin, but that sounds within reason! I'm usually getting 6.5-7 mpg with a toad and 7-7.5mpg without at 62-65 mph with the generator running. Which I'm told takes off 0.5 mpg off your numbers. I find that 2k rpm is a pretty good rpm to run.
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Old 08-19-2016, 08:11 AM   #4
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Thanks for your replies! I'll try 65 or so on the way back and see what that does to the fuel economy.
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Old 08-19-2016, 08:31 AM   #5
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I get 7.5 with generator running hauling the mail.

I get 6.6 hauling a jeep, generator running and hauling the mail.

I have never driven it less than just short of the governor.
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Old 08-19-2016, 09:17 AM   #6
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At 70 MPH that big flat front starts to drag a lot. Drop it down to 62 to 65 and it should come up a little. However, I remember from my old F-53 Bounder days that the only way to improve your mileage beyond 6.5 to 7 is "to lie about it!"

TOADs really don't reduce your mileage unless you are in the mountains as it is mostly form drag and not weight.
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Old 08-19-2016, 10:56 AM   #7
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Pulling the toad I averaged 7.9 mpg by staying around 65. Without toad around 8.3 staying under 70.
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Old 08-28-2016, 05:59 AM   #8
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I set cruse at 63 on flat ground. But when the hills show up the cruse isn't used. 63 is always my target speed and l tow a lifted 2-door (OlllllllO) Rubicon sitting on a car trailer. MPG's seem to ave. at 7mpg. Click image for larger version

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Old 08-28-2016, 01:13 PM   #9
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Why is everyone running the generator while driving?
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Old 08-28-2016, 01:30 PM   #10
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To run the back AC ....and so my wife doesn't shoot me . It's a little hot down south


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