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Gas vs Diesel

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#1 Leviticus907


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Posted 13 July 2019 - 01:53 PM

Hello fellow Alaskan campers! I'm new to the forum. I have a 2016 seven foot camper sitting on a 2500hd 6.0 vortec silverado. The truck handles it no problems cruises up hill in a higher RPM. My only problem is I like to drive out on deep logging roads and it seems as though I'm always almost out of gas and it cramps my style. I'm looking at a duramax 2008 fully deleted.

What are your opinions? Get a bigger gas tank? Switch to diesel? Ford ecotec? What are you driving?
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#2 Mighty Dodge Ram

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Posted 13 July 2019 - 03:30 PM

Auxiliary fuel tank. I also drive the 6.0. Alas, I am “Alaskan-less”.

Edited by Mighty Dodge Ram, 13 July 2019 - 03:31 PM.

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2002 Chevy 2500HD XC LB 6.0L 4X4, Leer Hi-Rise shell, completely stock...for now!

#3 ntsqd


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Posted 13 July 2019 - 04:22 PM

The buy-in for a new or new-ish diesel truck will be quite high. More than an aux tank or larger than OE tank. In late model trucks I don't see the large MPG delta that diesels used to have over gassers. Since we had a diesel already and were still running low on fuel at times I went with a larger fuel tank.


Emissions controlled gasoline fuel tanks have more stringent Fed rules than diesel tanks so there aren't a lot of vendor options.


Downside to more fuel capacity is less truck capacity. Our larger tank holds nearly 400 lbs. worth of fuel when full.

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Where does that road go?

#4 popRoid



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Posted 13 July 2019 - 05:22 PM

2017 F350 Dually diesel.....48 gal on board tank with 10 additional gal attached to back porch.  Plenty of range....plenty of power....only problem is the payment but that will pass.  

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#5 Bill D

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Posted 13 July 2019 - 06:42 PM



Is that how your wife gets in the truck  :D

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#6 klahanie


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Posted 13 July 2019 - 06:43 PM

Also Alaskan-less ... but fwiw ,I wanted diesel and picked a chassis that could accommodate a below the frame auxiliary fuel tank for the added range - that's where I put the money.


I'd suggest looking at cost and availability (per ntsqd) of your options.


Does your truck rear look similar to this ?



If so, I'd consider making a platform extending out the rear that supports 2 jerry cans. Maybe even spacing out the rear bumper to provide some protection (and a mount surface). Not ideal, esp with the LPG and toilet doors, but functional and relatively inexpensive, imo. Or I suppose perhaps could mount those flat type jerry cans to the upper rear wall. That might keep you going until a new truck.


If you're thinking replacement truck at this time anyway, then I'd say diesel if you can get a bigger or aux tank for that model (check first). And note that a delete may make a difference to the fuel consumption. Might have made a difference on vehicle wear and tear also ...

Edited by klahanie, 13 July 2019 - 06:46 PM.

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~David.  2010 F350 C&C w camper deck. 1997 Granby, orig owners.

#7 Taku


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Posted 13 July 2019 - 07:16 PM

I had a custom built hitch rack "step" designed that had brackets to attach to the outside points of the hitch. I can easily carry two 5 gallon cans on it (weight is no issue, size is). We use it for water, but gas would work too. Will try to get a photo and upload it. 

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#8 Taku


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Posted 13 July 2019 - 07:19 PM

BTW - we are in the market for a 3/4 ton gasser and an Alaskan, so am curious as to what size tank you have and gas mileage? If I could afford a newer diesel, might go that way, but too expensive for now.  Thanks.

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2005 Tundra  2013 Ocelot    "Ridiculously comfortable"

#9 nixfwc


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Posted 13 July 2019 - 09:34 PM

I have a 2008 GMC Duramx diesel 2500 to haul my 2014 Alaskan 8 footer which works great. 19 to 21 mpg on the highway. Handles the camper weight fine with air bags. A larger fuel tank would be great but I for now I carry an extra 5 gals of fuel. Only needed it once in Owahee desert.
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#10 Vic Harder

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Posted 14 July 2019 - 03:39 AM

switched from a 2002 8.1L gas silverado to a 2006 diesel and am getting 2x the fuel economy.  I also researched tank sizes and aftermarket options, and it is virtually impossible to get an aftermarket GAS tank.  Diesel is no problem.  My truck now has a 38 gal tank, and I can get a 62 gal aftermarket replacement that doesn't change the ground clearance.  


VERY happy we made the switch to diesel.

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2006 Silverado 3500 ext cab 8' bed LBZ, FASS, EGT delete, 5" exhaust, FTE Resonator, MotorOps 50 HP Tow Tune, Lightwerkz.net HID projector Headlights, Edge Insight CTS2

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