Reply
 
Thread Tools Search this Thread Display Modes
 
Old 06-11-2006, 09:37 PM   #29
Rivet Master
 
dscluchfc's Avatar
 
1984 31' Excella
Abernathy , Texas
Join Date: Jun 2002
Posts: 849
Quote:
Originally Posted by klevan
Silverback,
I'm pretty sure he's talking to me... I asked you the low fuel mileage question, and if you thought the bed cover or the Banks contributed most to your sweet mileage numbers.

I'm only getting 13.3 pulling my 31' Sovereign at 65-72 mph in the wide open spaces of NM, AZ, and UT. In the mountains of CO, where average speed is more like 55-60, I still get 13.3. In four wheel drive dragging a Jeep on a trailer in and out of the wildereness, I get 13.3. Around town not towing, I get 13.3. I have never taken a road trip without a trailer, so I don't have data for non-towing highway. I have a 2005 4X4 Crew Cab, short bed,with fewer than 10,000 miles. Should I have the dealer check it out?
Ken Levan-
It's under warranty, so you have nothing to lose having the dealer check it.
Your tow mileage is about like mine when towing my 31 footer at 65-72 mph.
My in town mileage is a bit better than yours maybe, but I am broken in a little more than you are at almost 100K, and I have adjusted to driving with "the egg under my foot" methodology to keep from wearing out tires in only 20,000 miles per set on the rear.
This set has 30,000 on them and is about 1/3 tread left. The last set was gone on the back tires at 20,000 miles, but I was loving the torque pinning me to the seat.
I have a 20 minute commute at 70 mph down I-27 to see my clients, so my mileage daily is mixed city and highway and usually runs about 17 mpg. If I was city only, I might be 13-14 mpg. Like I say, I have toned down the jackrabbit starts and really go easy, and my tires are thankful.
__________________

__________________
David
TAC # TX-18

AIR # 410
http://www.flickr.com/photos/dsphotoscapes
dscluchfc is offline   Reply With Quote
Old 06-12-2006, 08:18 PM   #30
Rivet Master
 
Cracker's Avatar
 
Currently Looking...
Pittsfield , Maine
Join Date: Oct 2003
Posts: 1,099
For the record my 2003 GMC, LB, 4x4, CC with Duramax/Allison and an A.R.E. tonneau cover on the bed averages just under 14 mpg with the 2000 30' Excella in tow and about 18.5 mpg solo at about 60 mph average. I can get 21 mpg, on the level, at 55 mph - but that's not a realistic scenario. My overall average, since I purchased the beast, is 14.9 mpg. I have a built-in bed load (generators, tonneau cover, custom bin and floor items, plus other camping gear, of around 750 lbs. The rigs overall weight, ready for the road, and including the hitch assembly, is right at 8,400 lbs - the same as the trailer - although the 18.5 mpg solo doesn't normally include the hitch assembly. I use Mobil 1 Synthetic but I don't believe that's a factor - contrary to others that swear by synthetics! I simply like the extended change interval (---usualy about 7,500 miles, regardless of the computer numbers) and I change the fuel filter with every oil change. Cheap insurance for a great vehicle! I get a sh-- eating grin on my face every time I fire it up for a trip! It's too bad that the fuel Gods have pushed diesel prices right up there alongside low octane gas.

As for the original topic regarding overdrive, I use the "tow/haul" mode religiously since a lot of my travels are in Eastern mountain ranges. It does switch to overdrive at about 57 mph, provided we're not climbing - but the most noticeable difference is in the lower gear shift points. The Allison transmission is simply something else - and what a joy on long downhill grades! The transmission will never allow the truck to "lug" in overdrive - but note that I'm only towing about 63% of my design capacity.
__________________

__________________
Cracker

2003 GMC 3500 D/A, CC, LB, 4x4 and 2000 Airstream Excella 30. WBCCI 7074
Cracker is offline   Reply With Quote
Old 02-22-2007, 01:05 PM   #31
Fuil-Timers
 
DreamStreamr's Avatar

 
2005 25' International CCD
Everywhere , North America
Join Date: Aug 2005
Posts: 631
Images: 38
Send a message via Skype™ to DreamStreamr
Late post on last Summer's thread, and echoing another's comment -- I love my 2500HD! We opted for 8.1L (496!?) gas with allison 6spd, glas tonneau cover on back. Muscle truck! we get 13 mpg hiway towing CCD 25 and 18 mpg hiway solo. I think we get 6-9 mpg solo if we do errands in town, and the town miles just don't add up so who cares -- we love towing in our truck. While it seems nice we have capability to "manually" shift the allison we learned pretty quickly the transmission brain is way smarter than we so we just leave it in overdrive. holds 58 mpg at 1,500 rpm all day except for little excursions to 2,400 rpm for hills. cool
__________________
Living the Dream

Jim Cocke,
International President
WBCCI Wally Byam Airstream Club
dreamstreamr.com
dreamstreamr.wordpress.com
DreamStreamr is offline   Reply With Quote
Old 03-03-2007, 11:51 AM   #32
New Member
 
1978 31' Sovereign
Decatur , Georgia
Join Date: Aug 2002
Posts: 4
Images: 9
I have a 2005 D/MAX, allison 4+4, I average abut 12.5 at 75 mph. Pulling 31 F
__________________
Jay
balestrine is offline   Reply With Quote
Old 03-06-2007, 05:33 PM   #33
Liquid Cooled
 
RedSHED's Avatar
 
2014 16' Sport
Columbus , Indiana
Join Date: Mar 2006
Posts: 485
Images: 2
Quote:
Originally Posted by balestrine
I have a 2005 D/MAX, allison 4+4, I average abut 12.5 at 75 mph. Pulling 31 F
not in the same league, but for the sake of comparison...
2003 1500HD, 6.0 gas, 4x4. 4-up in front and 31' Excella: worst tank 9mpg, best around 12.5, 11 is mean, median, and mode.
But only at 60mph. Hey, it's a vacation, if I wanted to be in a rush I'd have stayed at work, right?
__________________
RedSHED is offline   Reply With Quote
Old 03-06-2007, 07:01 PM   #34
Aluminut
 
Silvertwinkie's Avatar
 
2004 25' Safari
. , Illinois
Join Date: Feb 2003
Posts: 10,334
My 04 burb 4x4 w/ 6.0L and 4.10s ranges between 9.8 and 12.6 FWIW.....
__________________
Computers manufactured by companies such as IBM, Compaq and millions of others are by far the most popular with about 70 million machines in use worldwide. Macintosh fans note that cockroaches are far more numerous than humans and that numbers alone do not denote a higher life form. -NY Times 11/91
Silvertwinkie is offline   Reply With Quote
Old 03-06-2007, 07:17 PM   #35
Rivet Master
 
safari57's Avatar
 
1951 21' Flying Cloud
1960 24' Tradewind
West Coast , BC
Join Date: Feb 2005
Posts: 3,790
Images: 10
Send a message via MSN to safari57
Quote:
Originally Posted by rebel beck
Gas will probably be $5 a gallon then.
That would be in parts of Canada. We are paying over a dollar a litre right now which equates to a tad over $4 Canadian for a US gallon, all rough calculations. The way things are going we'll hit that sad $5 mark soon enough.

Barry
__________________
safari57 is offline   Reply With Quote
Old 03-06-2007, 08:31 PM   #36
Rivet Master
 
jdalrymple's Avatar
 
2009 27' FB Flying Cloud
1991 35' Airstream 350
Jay , Oklahoma
Join Date: Oct 2006
Posts: 1,602
The price of fuel (diesel) makes one think of french fry grease, doesn't it?
__________________

__________________
Jeff & Cindy
'09 27FB Flying Cloud
'91 350 LE MH
jdalrymple is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Skylight part question ColtSAA45 Roof Vents, Skylights & Fans 3 04-22-2004 09:05 PM
Chevy Express vs Suburban alan Tow Vehicles 8 07-27-2003 04:38 PM
Banks PowerPack for 7.4L Chevy LTD93 1969 Overlander 6 09-24-2002 06:53 PM
Battery Dead/Power jack question jcanavera Jacks, Stabilizers, Lifting and Leveling 34 08-16-2002 02:51 PM
Tire sizing question casarodante Tires 5 07-02-2002 11:19 PM


Virginia Campgrounds

Reviews provided by




Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 05:22 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.

Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.