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10-22-2006, 05:00 PM
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#1
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4 Rivet Member
2007 25' Safari FB SE
Lady Lake
, Florida
Join Date: Sep 2006
Posts: 355
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3.73 0k?
I want to own a 25-28ft Classic someday. Since the 8.1 is not available in the 2007s, I have found a 2005 Suburban 2500, 14,600 miles, 8.1. It has the 3.73, not the 4.1.
Will that TV be ok for that A/S?
We are going to look at the Suburban tomorrow-it is 120 miles from us. If you say it won't work, we will not go!
Thanks in advance. I do want to do this only once, so it is very important to get it right.
Pat
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10-22-2006, 05:09 PM
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#2
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Rivet Master
1998 31' Excella 1000
South Berwick
, Maine
Join Date: Apr 2006
Posts: 709
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You will be absolutely fine with the 3.73.
__________________
WBCCI 24291
New England Unit
Metropolitan NY Unit
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10-22-2006, 05:13 PM
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#3
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Rivet Master
2006 25' Safari FB SE
St. Cloud
, Minnesota
Join Date: Aug 2003
Posts: 13,280
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I would agree. One can split hairs but this 'burb will work just fine. The 8.1 has muy plenty of torque. Consider that the Duramax-Allison combination is available in only a 3.73 rear end. Enjoy!
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10-22-2006, 05:21 PM
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#4
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4 Rivet Member
2007 25' Safari FB SE
Lady Lake
, Florida
Join Date: Sep 2006
Posts: 355
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Thanks!
Thanks for the quick replies! It's off to see the Burb! Will let you know tomorrow if it is in the drive.
Pat
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10-22-2006, 07:25 PM
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#5
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AIR #8691
2006 25' Safari SS SE
Northern
, Virginia
Join Date: Jul 2005
Posts: 381
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IMHO the 3.73 gear ratio will be fine. But aware that the 8.1 Liter engine uses a bit more gas than the 6.0L engine. Thats about one liter per cylinder.
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10-22-2006, 07:37 PM
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#6
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4 Rivet Member
Currently Looking...
Two Harbors
, Minnesota
Join Date: Aug 2006
Posts: 311
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Hi All...just a follow up question...would the above "thumbs up" hold true for an Suburban 2500 with 8.1/3.73 if you wanted the flexibility to tow say 30' to 34' Airstreams? If not would it work if you changed rear end ratio to 4.xx IF you ended up with say a 34' AS?
Just curious?....Tom R in Two Harbors, MN
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10-22-2006, 08:40 PM
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#7
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Moderator
2015 25' FB Flying Cloud
2012 23' FB Flying Cloud
2005 25' Safari
Santa Rosa Beach
, Florida
Join Date: Jul 2006
Posts: 13,159
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I can attest that the 3.73 rear works great. I am pulling an '05 Safari with an '05 Suburban 4x4x4 (four wheel drive/Quadrasteer) 2500 with the 6.0 liter gasoline V-8. We have pulled about 10,000 miles this years including an extensive tour of New England with quite a bit of mountain driving. I am very satisfied with the performance.
As to a 34', I think it would work, but I would opt for a Sierra or Silverado 3500 (non-duely) with the 8.1 (still available in the pick-ups) with the 4.11.
__________________
SuEllyn & Brian McCabe
WBCCI #3628 -- AIR #14872 -- TAC #FL-7
2015 FC 25' FB (Lucy) with ProPride
2020 Silverado 2500 (Vivian)
2023 Rivian R1T (Opal)
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10-22-2006, 09:29 PM
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#8
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Rivet Master
2005 25' Safari
Salem
, Oregon
Join Date: Mar 2006
Posts: 8,378
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10-22-2006, 09:37 PM
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#9
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Frank S
1973 27' Overlander
peoria
, Illinois
Join Date: Mar 2006
Posts: 316
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Hi starflyte1--The 3.73 rear with the 8.1 ltr is fine for pulling any A/S. The 4.10 rear works best with the 5.3 ltr or 6.0 ltr. With 14600 miles, on a 2005 Suburban, it's almost broken in. Looks like a good find. Differential in fuel cost is really one of the smaller costs in owning a T/V. The big cost is depreation. By buying a 2005, with such low mileage you have already saved yourself a big hunk of money. --Frank S
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10-23-2006, 06:36 AM
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#10
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Aluminut
2004 25' Safari
.
, Illinois
Join Date: Feb 2003
Posts: 10,477
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Oh heck yes. 25' to 28'? You'll barely know it's back there.
One thing about the 8.1L. Nearly every owner I've spoken with about their 8.1L has indicated that it appears normal for the 8.1L to consume some amount of oil between oil changes. There are folks the believe this is an issue, while others say, it's an 8.1L, it's normal.
Bottom line, you're fine w/3.73s with what you've outlined.
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10-23-2006, 06:50 AM
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#11
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Retired Moderator
1992 29' Excella
madison
, Wisconsin
Join Date: Aug 2002
Posts: 4,644
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you will be pleased with the big block 3.73 combo.
you also will be able to tow a 34!
john
__________________
you call them ferrets, i call them weasels.
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10-23-2006, 05:11 PM
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#12
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4 Rivet Member
2007 25' Safari FB SE
Lady Lake
, Florida
Join Date: Sep 2006
Posts: 355
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It's ours!
Thanks for all the replies! Each made us feel so good about the Suburban with the 3.73 that it is in our drive at this time. It is ours!
My husband drove it the 120 miles home and is quite happy with it. It has a Class III hitch and everything that goes with that. Now, to get what is necessary to hook up to the A/S that we haven't found yet.
Thanks to the people on this forum, we have bought a TV that will last at least as long as we will be needing it.
Pat
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10-23-2006, 05:41 PM
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#13
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Rivet Master
2006 25' Safari FB SE
St. Cloud
, Minnesota
Join Date: Aug 2003
Posts: 13,280
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Quote:
Originally Posted by starflyte1
Now, to get what is necessary to hook up to the A/S that we haven't found yet.
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It may have the GM pigtail to attach to your brake controller (usually included with initial purchase). This plugs in under your dash and the bare wires are fairly easy to figure out connection to the brake controller. I'd suggest talking to RJay's if you don't have that item -- good prices, fast service. Really -- this same item should be available locally at RV dealerships. Just don't tell 'em you have an Airstream ....
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10-23-2006, 06:08 PM
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#14
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4 Rivet Member
2007 25' Safari FB SE
Lady Lake
, Florida
Join Date: Sep 2006
Posts: 355
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?
Canoe Stream, why not tell them I have (will have) an Airstream?
Pat
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10-23-2006, 06:10 PM
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#15
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Liquid Cooled
2017 27' Flying Cloud
Currently Looking...
Currently Looking...
Currently Looking...
near Indy
, Indiana
Join Date: Mar 2006
Posts: 745
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Quote:
Originally Posted by starflyte1
Thanks for all the replies! Each made us feel so good about the Suburban with the 3.73 that it is in our drive at this time. It is ours!
My husband drove it the 120 miles home and is quite happy with it. It has a Class III hitch and everything that goes with that. Now, to get what is necessary to hook up to the A/S that we haven't found yet.
Thanks to the people on this forum, we have bought a TV that will last at least as long as we will be needing it.
Pat
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Just for general info... We pull a 31' Excella with a 1500HD (6.0 & 3.73). The 1500HD is very similar to a Suburban 2500, but with an extra foot or so of wheelbase. Anyway, with a Reese dual cam we've found it to be a very nice towing combination, even on some of the winding bits of southern Indiana. Generally getting around 11-12mpg towing, with a low of something like 9.8 (back roads, steep hills, lead foot, my bad) and generally around 14 unladen.
The previous owner of our Airstream used a 1500 'burb and took it from Cincy to Tennessee, Florida, OK, and other places on a regular basis.
Saw it posted here sometime in the last year that 28-31' trailers are kind of 'tweeners. Too big for the "me too" toy trucks, and not big enough for a retirement base camp, thus somewhat more available than some others.
With 2 kids + a dog, 31' is just about right. We can seperate them when they quibble!
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10-23-2006, 06:23 PM
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#16
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4 Rivet Member
Fond du Lac
, Wisconsin
Join Date: Feb 2004
Posts: 396
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Congrats on the Burb. Post a picture of it when you can. Happy hunting for the AS of your dreams.
__________________
Rich
2010 43' Newmar Dutch Aire
formerly 2006 34' Classic
Changing the World One Child at a Time
www.compassion.com
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10-23-2006, 06:36 PM
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#17
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4 Rivet Member
2013 31' Classic
Crossville
, Tennessee
Join Date: Sep 2003
Posts: 461
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Pat,
I have seen some really good deals on Reese weight distributing hitches on Ebay, if you are savy there. However, I have messed with Airstreams for years, and find that 2 out of 3 used ones sold by individuals will come with a hitch set. There are several models, they come with different weight ratings on the bars. Your new 'Burb will not require a lot of attention to pull the size you want, yet it is pretty important to get the hitch set up right. There are instructions on the Reese web site. Read and follow them and you will do well.
Of course there are other hitches out there, with supporters of each kind. That will have to be a decision on your own.
The brake controller that is easiest to set up is the Prodigy, and it is a very good one. You can find that new on Ebay as well, along with a factory wiring harness to hook it up with.
Good luck on the purchase, and I encourage you to be diligent in the hookup of the hitch and brake control.
__________________
steelbird312 WBCCI #6673 jerry Hodge
2013 31" Classic limited
Have no intention of arriving at the grave safely, but rather to skid in sideways, chocolate in one hand, throttle in the other, totally worn out and screaming
"WOO HOO, WHAT A RIDE!"
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10-23-2006, 07:07 PM
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#18
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More than one rivet loose
Currently Looking...
Los Alamos
, New Mexico
Join Date: Feb 2006
Posts: 3,756
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I towed my 31ft classic with a 5.4L gas engine and a 3.73 limited slip rear end.
__________________
Michelle TAC MT-0
Sarah, Snowball
Looking for a 1962 Flying Cloud
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10-24-2006, 01:00 PM
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#19
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4 Rivet Member
2007 25' Safari FB SE
Lady Lake
, Florida
Join Date: Sep 2006
Posts: 355
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I would post a picture if only I could! I am trying to put our B online to sell and can't do the picture transfer.
Hadn't thought of A/Ss coming with a hitch, but will wait to buy until after we buy a trailer to see if it comes with what is needed!
Pat
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10-24-2006, 04:03 PM
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#20
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4 Rivet Member
1954 22' Flying Cloud
1954 25' Cruiser
2005 25' International CCD
Paradise
, Texas
Join Date: Jan 2003
Posts: 407
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Quote:
Originally Posted by moosetags
I can attest that the 3.73 rear works great. I am pulling an '05 Safari with an '05 Suburban 4x4x4 (four wheel drive/Quadrasteer) 2500 with the 6.0 liter gasoline V-8. We have pulled about 10,000 miles this years including an extensive tour of New England with quite a bit of mountain driving. I am very satisfied with the performance.
As to a 34', I think it would work, but I would opt for a Sierra or Silverado 3500 (non-duely) with the 8.1 (still available in the pick-ups) with the 4.11.
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Strange but the 8.1 is not offered in the new redesigned body style. They only show 6.0 and the diesel. It's a shame because the new body style is so much better looking than anything GM has offered in a long time.
__________________
Paul Mayeux
A&P Vintage Trailer Works, Inc.
AirForums #1565
WBCCI #7162
Heart of Texas Camping Unit
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