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Old 02-20-2015, 12:34 PM   #29
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Originally Posted by edsperfect View Post
of course the manufacturer calculated the mileage on a flat road with an empty coach, no water, little fuel. You add bedding, dushes, a load of water and more the milage will go down

my weight according to the scales: Loaded w/o tow = 25,000
my weight w/towed = 28,000
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Old 03-11-2015, 09:46 PM   #30
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Upgrade ECM

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Originally Posted by Lancy View Post
I have a 2012 Monaco Vesta 35PBD. Purchased Nov 2013. Put 17,000 miles on it and still not getting more than 8.1 mpg, a far cry from the advertised 14mpg. Navistar recall for calibration completed two months after purchase. Tried different speeds, no towed vehicle for first 5,000 miles and now tow 3000lb toyota truck with no significant change in mpg average. Usually drive good roads using cruise control at posted speed limit or just below. If anyone has suggestions on what to do to improve mpg, would be appreciated. Also, have the much talked about check engine light intermittantly. No wobble at the moment but lately feel slight wobble after going over bumps at highway speeds. Any help would be appreciated.
Hello, I have a Monaco Vesta 32 and I have been watching the forum on Monaco Vesta. My unit was getting very poor mileage and also the regen light would flicker. I heard a few owners talk about the calibration upgrade for the ECM, so I decided to get mine done before the warranty ran out. I can tell you there is a difference, shift patterns have change,
I notice my gas consumption at 10 gpm, up from 8 gpm. Also I feel a much smoother shift pattern, no more bunny hop starts.
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Old 03-11-2015, 11:03 PM   #31
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Lancy.....what are the lengths of your trips? Are they all local?
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Old 03-12-2015, 07:49 AM   #32
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Ya know you can't Fly to a Destination, For the cost to drive your MH and the Benefits are endless, Seeing the country instead of flying over it, you don't need a Hotel or Rental Car. You can bring your car with. You can Stop any-time.
I did it Boating and I got a lot worse millage doing that, than I could ever spend in the MH. I was told back then if you can't afford the gas, You don't want to own a boat. Example, 50 Foot House Boat twin 454's V-Drives and on Plane(for a HB) $600.00 for less than 100 miles
I now have a 30 ft. Land-yacht and get 8 MPG Best monies spent so far.
JS,
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Old 03-12-2015, 08:33 AM   #33
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Originally Posted by spritz View Post
Ya know you can't Fly to a Destination, For the cost to drive your MH and the Benefits are endless, Seeing the country instead of flying over it, you don't need a Hotel or Rental Car. You can bring your car with. You can Stop any-time.
I did it Boating and I got a lot worse millage doing that, than I could ever spend in the MH. I was told back then if you can't afford the gas, You don't want to own a boat. Example, 50 Foot House Boat twin 454's V-Drives and on Plane(for a HB) $600.00 for less than 100 miles
I now have a 30 ft. Land-yacht and get 8 MPG Best monies spent so far.
JS,
Tim
X2

I had a 34' Sea Ray that got 1 mpg. I'll take my Discovery's 8.5 mpg all day long!
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Old 03-12-2015, 01:26 PM   #34
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I got about 8 mpg on our 32' '02 Georgetown. Compared to the 6 mpg we got with our older 26' Class C, I was quite pleased. That old dog had a 460 engine with a caburetor. At altitude the mpg was only about 4.5 and there's quite a lot of altitude around here!

The EFI-equipped V-10 on the 32-footer kept the 8 mpg even going over Washington Pass on SR 20. That's 5200 ft above sea level.
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Old 03-12-2015, 07:25 PM   #35
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poor mpg when compared to advertisement and other stories on this forum

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Originally Posted by Dutch Star Don View Post
Lancy.....what are the lengths of your trips? Are they all local?

Not local, long distance usually. I may attempt a second ECM with a factory tech at Monaco's Decatur, Indiana service location or let them take it to their favorite International dealer for the job.
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Old 03-12-2015, 07:39 PM   #36
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Quote:
Originally Posted by ahicks View Post
Wow, that's the first time I've seen the mpg formula. (weight/horsepower=mileage) Works out darn close on ours as well.
-Al

It's not a formula--- it's a "rule of thumb ". Hence the give or take , plus or minus.
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Old 03-12-2015, 07:43 PM   #37
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Poor MPG

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Originally Posted by Steve Ownby View Post
I can't make it work.

Weight is 40000
Hp is 500
According to your formula I should be getting close to 80 mpg....07

At 40K lbs and 500hp, you're moving about 80 lbs per hp. All other things being equal, You should be doing a chunk better than 8mpg. Maybe 9.5-10?
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Old 03-12-2015, 07:44 PM   #38
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We just bought the Magna in my sig line. 47,503# dry weight and 650 hp ISX Cummins. Loaded and towing our Honda Odyssey the VMS shows 7.1 mpg overall and on the flats it was showing right at 10 mpg. I guess we can live with that as it's not much less than the Dutch Star got with 34,000#'s and the ISC 350 w/Banks
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Old 03-12-2015, 07:48 PM   #39
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.......I'm getting 9.5 to 10 mostly pulling the toad ...... I'm running a Cummins 340, 35' coach and grossing about 28K.

Yup. You're moving about 82 lbs per hp. 9.5 or so is about right. Not a formula, more of a guideline.
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Old 03-13-2015, 05:32 AM   #40
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Originally Posted by spritz View Post
Ya know you can't Fly to a Destination, For the cost to drive your MH and the Benefits are endless, Seeing the country instead of flying over it, you don't need a Hotel or Rental Car. You can bring your car with. You can Stop any-time.
I did it Boating and I got a lot worse millage doing that, than I could ever spend in the MH. I was told back then if you can't afford the gas, You don't want to own a boat. Example, 50 Foot House Boat twin 454's V-Drives and on Plane(for a HB) $600.00 for less than 100 miles
I now have a 30 ft. Land-yacht and get 8 MPG Best monies spent so far.
JS,
Tim
Tim i like the way you think, just about every hobby i have had, has cost me money, hunting, golf, club racing, I figure i am not on this flying rock for that long so i am not going to worry about it just go do it and have fun.
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Old 03-13-2015, 06:03 AM   #41
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Quote:
Originally Posted by VestaCruiser View Post
Hello, I have a Monaco Vesta 32 and I have been watching the forum on Monaco Vesta. My unit was getting very poor mileage and also the regen light would flicker. I heard a few owners talk about the calibration upgrade for the ECM, so I decided to get mine done before the warranty ran out. I can tell you there is a difference, shift patterns have change,
I notice my gas consumption at 10 gpm, up from 8 gpm. Also I feel a much smoother shift pattern, no more bunny hop starts.
You must be flying a B747 to get 10gpm.
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Old 03-15-2015, 03:21 PM   #42
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I am only a Class C but on our western trip last fall I bought 703 gal of gas and went 6300 miles so that is 9mpg and also ran the generator while in Yellow Stone and Grand Teton.

We now have 12k miles on the uniit and it just hums along and if there is little or no adverse wind it is about 9.5 mpg.

Now that gas is 1,90 to 2.25 I am a happy camper. I did the western trip and the gas was about 3.00. I have to gather my gas receipts and figure out mileage from our Florida trip - we wnt 2600 mi
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