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Old 07-30-2011, 12:21 PM   #1
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Lafayette , Louisiana
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Please list your model and fuel economy

Greeting all,

I think my first post was overly complex.

Can you just post your model motorhome and your highway fuel mileage?

Thanks in advance,

Benjamin
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Old 08-26-2011, 07:39 AM   #2
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2000 31' Land Yacht
Central , Florida
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2000 LY 31 10 mpg/ 8 towing toad Ford ranger pu.
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Old 08-26-2011, 05:23 PM   #3
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2005 30' Land Yacht 30 SL
Rockford , Michigan
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2005 30' LY SL, 10 MPG while towing Honda CRV. (Mostly 55-60 mph)
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Old 08-29-2011, 12:46 AM   #4
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1984 31' Airstream310
Honokaa , Hawaii
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1984 310. 4-5 mpg when we bought it last year. Had carburetor rebuilt in Montana during the winter, now get 6-7 mpg.
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Old 09-05-2011, 09:15 AM   #5
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1986 34.5' Airstream 345
Key West , Florida
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1986 345 7.4 454. 6-8 not towing but driving in hilly places, towing 5.2mpg.
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Old 09-05-2011, 11:00 AM   #6
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2003 39' Land Yacht XL 330 hp w/2slides
Lenoir City , Tennessee
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Cool 2003 XL-396, 330HP Cat

We get 9.2 mpg towing Jeep Liberty 4x4 at 62-65 mph. Better than 10 at 60 mph. Less in mountainous terrain or winding roads since the Allison won't upshift to 6th gear until 57 mph. Using cruise control helps with the downshift points since it will sense "loading" and drop a gear.
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Old 09-08-2011, 06:21 PM   #7
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1987 32' Excella
Nepean , Ontario
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1994 LY 34-ft diesel - 13+mpg towing a small car between 56-58 mph (just after it kicks into 6th gear).

BTW, it's up for sale (bought a 32-ft Excella trailer & Dodge diesel pickup truck).
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Old 09-08-2011, 07:23 PM   #8
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1974 29' Ambassador
CONCORD , North Carolina
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1974 Ambassador 29'
2004 Dodge Crew 5.7 Hemi
12.5 mpg Charlotte / Asheville last trip
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Old 09-08-2011, 08:16 PM   #9
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1993 36' Land Yacht
jackson , Tennessee
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93 land yacht moho. i actually have never checked. i bought it to drive. i truly believe that leaving it in the driveway to save gas is the most costly thing i can do to it. you can afford it or you cant and mileage has absolutely nothing to do with it.
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Old 09-13-2011, 06:21 PM   #10
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1995 36' Classic 36
Ludington , Michigan
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We just bought our 95 Classic 360 Diesel pusher about 2 months ago and have driven it colse to 4500 miles. We are getting about 13 mpg. I've seen as high as 13.7 with a bit of tail wind to 11.8 beating into the wind. We cruise about 65 and drive it like diesel is $4 a gallon. I've very pleased with the milage and was only expecting about 10.
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Old 09-27-2011, 02:27 PM   #11
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2011 Interstate Coach
Tulsa , Oklahoma
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2011 Interstate 3500. Just took a 5400 mile trip to Canada, not towing and got 19mpg. I am a very happy-camper.
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Old 09-30-2011, 06:13 PM   #12
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1986 34.5' Airstream 345
choctaw , Oklahoma
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1986 345 6.3 with Suzuki Vitara 4X4 toad. Not good, but better than some.
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Old 10-13-2011, 10:44 PM   #13
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Santa Cruz , California
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1983 310 with Isuzu engine, TH475 transmission, BAE turbo system (stock Airstream) Omnicool intercooler, replumbed air ducts etc. 14-15 on the highway, 13 in the mountains towing a 2400 pound Geo Tracker.
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Old 10-15-2011, 09:43 AM   #14
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2010 22' Interstate
Anchorage , Alaska
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2010 Interstate (2008 FL Sprinter) 19 MPG on 6500 mile road trip. Ending miles 11000.
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Old 10-18-2011, 05:59 AM   #15
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1972 23' Safari
NSB , Florida
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1975 Argosy...9.9 mpg on flat ground (Florida) after a carb rebuild and a new remote air cleaner set-up.
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Old 11-02-2011, 06:20 PM   #16
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1982 31' Airstream 310
Longview , Washington
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I just put a 1995 Dodge Cummins in my 1982 31 Cassic!! I hope it get as good as my Isuzu. It got 14/15 MPG.
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Old 11-02-2011, 06:52 PM   #17
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1984 31' Airstream310
Ajo , Arizona
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Quote:
Originally Posted by alfalsetto View Post
I just put a 1995 Dodge Cummins in my 1982 31 Cassic!! I hope it get as good as my Isuzu. It got 14/15 MPG.
We get 15, up/down with our Isuzu, burns no oil at 248 thousand. What happened to your bullet-proof engine to cause a replacement? AND, I guess, the other question would be, was the change-out a big deal and did it bolt-up to the GMC 470 trans? Do you still have the Isuzu engine?
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Old 11-03-2011, 10:33 AM   #18
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2008 22' Safari
Daniel , Wyoming
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22' Safari Lite, Ram 3500 Diesel 15.5 mpg.
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Old 11-03-2011, 12:59 PM   #19
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1982 31' Airstream 310
Longview , Washington
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I got the whole Truck. I cut the motor mount off the frame and used them to mount the engine. It was a hard job, but we got it done. It run about 8 to 9 weeks to do the job. It's not a old man job!!!!!
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Old 11-04-2011, 07:58 AM   #20
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1986 34.5' Airstream 345
choctaw , Oklahoma
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Quote:
Originally Posted by alfalsetto View Post
It's not a old man job!!!!!
If I had found a wrecked Dodge Commins 5.9L or Isuzu N series 5.2L I'd be pumping diesel in the Silver Bullet now. But none were to be found last year when my 545 Allison transmission went out, so I have a 4L80e w/overdrive. Get the same with the toad as the Allison (6.3), but it looks like I got 7.2 w/o the toad. With the Allison I got 6-6.5 towing or not, 55mph or 70mph. The 0.75 final gear makes for a lot less engine noise.
Now maybe it's time for that hydraulic roller cam.
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