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Old 06-16-2015, 08:58 PM   #1
skidoorider's Avatar
Join Date: Jun 2012
Location: Plymouth
Posts: 71
Talking 2001 Chev 2500HD

Sold my Duramax to solve little ca$hflow i$$ue.
I found in absolutely mint, well maintained 2001 Chevy 2500HD with a 6.0 Vortec, 4 speed automatic with 4.10 gears. I will be pulling approximately 8000 lbs. Anyone out there have a similar rig that can tell me what kind of gas mileage to expect and can I expect adequate power?

Thanks !

2007 29BHS
Equalizer Hitch
Tokensha Prodigy Brake Controller
2001 Chevrolet 2500HD 6.0 Vortec
Slotted brake rotors.
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Old 06-16-2015, 09:00 PM   #2
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Location: Charleston
Posts: 1,550
LOL power to spare but you won't pass a gass station. Great motor though. .


TV 2005 Ram 3500 CC LB SRW Cummins POWER
2014 Jayco Jayflight 32BHDS Prodigy P3 brake controller.Reese dual cam 1400/14000
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Old 06-16-2015, 09:08 PM   #3
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Location: Friendswood
Posts: 917
Plenty of power, I still tow regularly with mine. I found it does best towing heavy loads using super unleaded. 8 to 10 towing depending on terrain and speed. Good luck you will love the capability of that truck.
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Old 06-16-2015, 09:25 PM   #4
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Location: Michigan
Posts: 7,371
With my 2002 2500HD 6.0L gasser/4.10 gear towing my loaded 8,500lb TT I average 8mpg to 9mpg under ideal towing conditions. Throw in a nasty head/crosswind I've dropped as low as 7mpg.

I start considering my next fuel stop between 1/4 and 1/2 tank of fuel....... empty to 1/4 can go fast


2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (integrated sway control)
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Old 06-18-2015, 01:24 PM   #5
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Join Date: Jul 2011
Location: S.E. Wisconsin
Posts: 195
13mpg around town, towing average around 8mpg. Florida and back averaged 6.5mpg. Never had a power problem but on hard acceleration it likes the 4500 to 5000 rpm band
2010 Jay Flight 28BHS
2007 Yukon XL 2500 6.0L 4X4
Equal-I-zer Hitch
Prodigy Brakes
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Old 06-18-2015, 02:33 PM   #6
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Join Date: Mar 2013
Posts: 769
My 8.1 liter is around 7.5 mpg. At least with the big block I don't see the high rpms my small block loved so much !!
2013 33 RLDS
2004 Chevy Avalanche 2500 8.1
2007 TBSS
2001 Oldsmobile Aurora
2015 Chrysler 200C AWD
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Old 06-18-2015, 02:42 PM   #7
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Join Date: Mar 2013
Location: Kansas City
Posts: 1,115
I had the ECM on mine reprogrammed by a company called Black Bear. They removed the rev limiter, played with the timing and shift points a bit and now it's a great performer on super unleaded.
2013 26BH w/ 4 plain rims and some rust
2001 Silverado 2500HD 6.0 gasser
Black Bear programmed ECM
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Old 06-18-2015, 03:08 PM   #8
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Join Date: Jan 2015
Location: Kelowna, BC Canada
Posts: 215
I tow with an '07 3500HD Silverado 6.0l.
Never had a power issue towing a 28BHBE with average weight around 8800lbs.
Average approx 9-9.5 mpg in BC interior. Lots of hills here. Axle is 3.73 I think. Never really paid attention to ratio as she does the job I ask of her with no complaints. Trans is 6spd.
Happy camping!!
'07 Chevrolet Silverado 3500HD XC LB SRW 4X2.
Powerstop Brakes on all corners.
'15 JayFlight 28BHBE Elite Fibreglass
Andersen Hitch.
'07 Northern Lite 10-2RR Camper.
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Old 06-24-2015, 08:05 AM   #9
Join Date: Feb 2014
Posts: 55
I'm about the same as the others, roughly around 8mpg. I'm running 265's so that's dropping my final gear ratio a little bit. I've never felt short on power either.
However, Im going up I-40 through Black Mtn. to Tennessee next month so that comment could change!
2015 RAM 2500 CTD CC/LB
2014 Jayco Jay Flight 32BHDS
Reese Dual Cam
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Old 06-27-2015, 01:15 PM   #10
Join Date: Sep 2014
Location: near the crossroads of America
Posts: 84
I just bought a 2005 Chevy 2500 4x4 with the 6.0, 4 sp auto, and 4.10. It has oversize tires. 285's instead of 245's. I pull a 24FBS and got 8 mpg, figured by pen and paper. I'm not sure how to figure in the tire change, but I do know they are about 2" taller than specs call for.

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