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Old 06-04-2005, 08:45 AM   #15
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1975 31' Sovereign
1980 31' Excella II
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That is what most of our new work trucks are...2500HD with 6.0l 4.10 LS rear ends. They seem to be able to hold their own with tool bodies and a fair load on board. I personally think the 8.1 is major overkill for most people. Airstreams tow much better than the SOB's, I tow my 6200#(verified weight) with a 4.6l Ford 1/2 ton with the 3.55 gears. It would be better with the 5.4 and 3.73's but for now it does the job. I feel that a lot of people get hung up on the bigger is better, but with an Airstream I am not so sure, they are kind of like a throughbred horse, you need to be firm but gentle with them but if you handle them roughly they are no better than an old nag


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Old 06-04-2005, 10:29 AM   #16
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Originally Posted by zoom240
But I insisted on the 4:10 gearing because of this thread and others + the 6L 3.73 combination seemed a bit anemic to me.
Dave, while I come from the GM van side of the equation, the 6 liter 4.10 gearing is a very good towing combo. I have that combo on my GMC Savana 2500 passenger van. My 30' Classic slide out is a hefty piece of hardware and the van takes it in stride. In 2003 the 6 liter 4.10 combo had the highest weight carrying capacity (9,900 lbs) in the GM van line.

I just switched over this spring to Mobil 1 and filter at the 10,000 mile mark. No signs of any strange sounds coming from the big 6.0 so far.



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Old 06-04-2005, 10:30 AM   #17
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you will like the combination, i'm going on year 5 with mine and have no complaints.

you call them ferrets, i call them weasels.
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Old 06-05-2005, 12:47 AM   #18
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1992 34' Limited
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One H*ll of a Tow Vehicle!!!!!!!

Have a '01 Suburban 2500 4x4 with the 6L Vortec and the 3.73 gears. LOVE THIS TRUCK!!!!!!!!!! Flat out LOVE IT!!!!!!!

Drove 1000 miles from ALBQ to SaltLake City to pickup Silvertoy. Got the Equalizer hitch installed and motored away bach South to home. Pulled it back to ALBQ and it drove like a DREAM ! And let me tell you, there are severeal MOUNTAIN ranges there that one must chug up with 12 and a few 15% grades ( or not chug up - plenty on the curblane with hoods up).

The 'Burb wasn't setting records or anything but the job got done. Guages all showed normal opperation temps ( high normal, but still normal) and she was a Princess ride back for the family. The 4X4 helped a bunch in Moab when I got SilverToy turned around in a gravel lot(DEEP gravel lot) and got wheeel spin and rocks off the road guards. Stop - 4x4 Drive, then apply gas - smile as you pull away.

Plus, when you uphook and are going here and there, there is no better ride than in the big 'Burb. The '01 is a looker in that dark green color (we call it Kelly Green) and the dark blue also is realy eyecatching.....

Unless you are going to be Crazy a lot of BIG hauling, then IMHO the 6L and the 3.73 gears will serve 95% of all you needs - and then when the crazy happens, you take it as 2 loads or whatever, or else go slow. You will get there, eventually.

OK, soapbox set saide. Done for the night!

My 2 cents for those that care.


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Old 06-05-2005, 06:33 AM   #19
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Yep, Looking forward to it.

Yes, I'm really looking forward to it. My youngest is 16 and he really doesn't like riding in the back of the Extended Cab truck. I test drove a 2500 Sub with the 8.1L. It was nice and for a while, I looked for one, but GM swears there wasn't anything within 800 milies! In the end, it's overkill.

The GM employee purchase deal is a pretty nice deal. But the dealer wasn't seeing much response - think the high gas prices are going to cause trouble for GM, Chevy & Ford.

Pick it up tomorrow & on Tuesday my wife takes it to Arkansas (600 mile trip) with her sister. At least they'll travel in comfort!


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