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Old 04-25-2010, 02:40 PM   #1
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what are you towing with your GMC 2500hd 8.1L 4:10

Just looking at combinations

Great wife, and traveling companion
2011 GMC Sierra 2500 HD Ext Cab 4X4 6.6 Diesel Duramax, Allison 3:73
2010 Coachmen Northridge 320 RLQ 5ver
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Old 05-01-2010, 07:08 AM   #2
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So far, there doesn't seem to be anyone with the truck configuration you're looking for who's willing to post. However, I do know that the 8.1L engine was not available on the 2009 GMC (and probably Chevy too) 2500HD. The 6.0L was the standard engine and the Duramax/Allison with a 3.73 was optional. I'm no expert on the history of GM 3/4 ton trucks so you'll have to do your own research on finding out if the 8.1L was ever even offered in a 3/4 ton and what year it was dropped.

As I mentioned above, I have the 6.6L Duramax/Allison with a 3.73. Below is what it tows.


2009 GMC Sierra 2500HD | Crew Cab | Standard Box | 4WD | Duramax/Allison
2000 Jayco Eagle 266 | FBS | TT
1986 Coleman Laramie pop-up -- Still in the family!!!
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Old 05-01-2010, 07:50 AM   #3
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Wow, beautiful truck!!
1990 Itasca Suncruiser 32'
1996 V8 Jeep Grand Cherokee Limited
7 Pomeranians, a white Chuihuhia & a 1982 Honda Express Scooter
~ Salt Creek Recreation Area Olympic Peninsula, Washington ~
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Old 05-06-2010, 03:20 PM   #4
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Buddy has a 2002 2500HD 8.1L 410's he tows a 28' TT toybox. He can almost keep up with my 2004 2500HD 6.6 D-max pulling a 5th wheel 32'
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Old 05-12-2010, 04:00 AM   #5
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Hello he may almost be able to keep up but you will pass more fuel stations then him HE HE HE
2005 Beaver Patroit Thunder 42' Vicksburg Quid Slide.
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Old 05-13-2010, 05:18 PM   #6
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Originally Posted by Diesel Guy View Post
Hello he may almost be able to keep up but you will pass more fuel stations then him HE HE HE
I pulled a 13,000 pound 5th wheel with a 8.1 swiched to Durzmax and only gained 2 MPG empty riding mileage is great but only use truck for towing 43,000
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Old 05-27-2010, 09:33 PM   #7
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I got a 04 2500HD with the 6.0L and 4.10s. I pull a 33.5' 5th wheel. The 8.1 will pull just fine but the mpg won't be good but if you got the 8.1 the you already know that. I found out the 6.0 use the gas really quick after I got mine.

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