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Old 01-24-2014, 07:37 PM   #15
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If you drive 7500 miles at 7 and 8 MPG, at $4 per gallon the difference is a bit over 500 bucks. For the fun, I call it chump change. Aye?
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Old 01-25-2014, 05:38 AM   #16
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According to my Silverleaf that was installed by prior owner before mile one, my 3852 Dutchstar with a 330 cat has gotten 7.4 mpg over last 78,000 miles. We run pretty light at 28,000 lbs and no toad for past 20,000 miles. I'd say you are doing pretty well around 8. Safe Travels!
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Old 01-25-2014, 06:53 AM   #17
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Your username indicates SCCA racing, so you are probably towing a car trailer - maybe an enclosed version with tires, tools, spares, etc. in addition to the race car. Given this, 8MPG is pretty good. My rig is a Safari Trek 454 gas, Aluminum Featherlite trailer with storage box, and 2200lb autocross car, and I get around 8MPG at 60 / 65 MPH.

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Recently purchased a 1999 38' Dutchstar with 300 Cummins. Very happy with coach but somewhat concerned with less than 8mpg on recent trip (all interstate). Interested in others experience re fuel consumption
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Old 01-25-2014, 08:42 AM   #18
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I would be very satisfied with 8.
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Old 01-25-2014, 09:55 AM   #19
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Camped with a guy who always claimed he got 10 mpg. We went on a trip together and he always used about the same gallons as me and I was getting around 7.5mpg.

Do I guess it depends on the calculator. After over 35 years of Rving.... be Happy with 8mpg.

Happy Rving!!
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Old 01-25-2014, 06:51 PM   #20
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Fuel Mileage

I have a 2004 Dutch Star 41' with a Cummins ISL 370. If I keep it around 55-58 mph, I usually get 8, or 7.9 or so. I think that's good compared to a friend of mine who has an oversize SUV that gets 12 mpg ! Sure wish the diesel prices would go down though.
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Old 01-26-2014, 10:51 AM   #21
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Calculating by hand

We traveled from Gilroy, Ca to Quartzite and filled up there. Calculating by hand over multiple fills we got 9.48 mpg. Towing a CRV.
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Old 01-26-2014, 07:01 PM   #22
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The wife and I traveled 5200 miles in our 2006 4304 Dutch Star 400 Cummins this summer from IL to OR and back towing a Wrangler Rubicon. I kept records of fuel and averaged 5.86 mpg. This included about 100 hrs of generator use, which included several nights of Wal Mart camping running both ac's. We usually run 65 to 70.
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Old 10-27-2015, 06:57 PM   #23
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I would be very happy with 8 mpg.
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Old 10-27-2015, 07:05 PM   #24
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I would be very happy with 8 mpg.
I know for a fact you don't speed after following you to 7 Feathers!


Our '02 DSDP ISC 350 with Banks I used 7.5 when figuring a budget and it was about right.
The Magna shows 7.6 over 45,000 miles although it is down some since Cummins rebuilt the top end and it's not broken in again so I expect it to go back up when it gets more miles.
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Old 10-27-2015, 07:09 PM   #25
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In 2009 we drove +14K miles round trip TN to Alaska (we took the long way). Including generator use I average ~8.5 mpg. I kept records the whole trip showing each fillup, cost, gallons etc. We did not pull a car. I pretty much drive the speed limit, if it's 70 mph I drive 70 mph.

We now pull a 2002 Jeep Grand Cherokee. We drove roundtrip 3600 miles to NM this month. First part of the trip I limited my speed to 65 mph and tried to be conservative. Averaged 7.6 mpg. On the return trip I pushed it to speed limit and averaged 7.5 mpg. YTD I am averaging 7.5 mpg.

I have a 2002 Monaco Windsor with a Cummins 350 ISC. This is a heavy coach as it has full steel cage construction.
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Old 10-27-2015, 07:13 PM   #26
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8 not great, although I have a Cat, I get over 10
OK, that's going downhill with a tailwind. What do you get going up the other side?
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Old 10-27-2015, 08:13 PM   #27
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OK, that's going downhill with a tailwind. What do you get going up the other side?

Yeah . . . . I think I'm going to question that one too! P.S. you can't claim the miles where you were traveling attached to the tow truck!
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Old 10-28-2015, 10:11 AM   #28
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Fuel Mileage

If you drive 2500 miles, the diff tween 8 and 9 is about 80 bucks. Chump change!
Just drive and enjoy
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