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Old 02-14-2015, 04:04 AM   #29
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I replaced the 34 gallon stock fuel tank on the 2012 Dodge 2500HD and installed a Titan 56 gallon in it's place. I did not loose any floor space in my bed.

Only Ford seems to have a calibration adjustment for larger fuel tanks. I use the milage trip meter and base range on a conservative 11 mpg. I would feel save running 500 miles, but the bladder won't last that long, so a pause for the cause allows me to top up the fuel and empty my personal tank.

We are going to Long Beach tomorrow from the Phoenix area and will refuel on the AZ side of the border as the prices are much lower than in California. We refill there on the way home. California will get enough revenue from us in sales taxes and hidden fees on all other purchases during the week we are there.
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Old 03-04-2015, 12:33 PM   #30
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Anyone using the Titan spare tire fuel system that puts an auxiliary tank in place of the spare tire? Spare tire can either stay home or go into the truck bed. I have been thinking about it and I have not changed a tire on the road in over 20 years (knock on wood). With today's tires and TPMS systems, it seem that tires develop slow leaks rather than blow outs most of the time. Maybe carrying a spare is not as necessary as it used to be and a fuel tank would be a better use of space
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Old 03-05-2015, 07:58 AM   #31
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That 30 gallon or over 250 pounds of tank and diesel fuel would be behind the rear axle of the truck. This would tend to unload the front axle. When coupled with the tongue weight of the trailer, it could be possible to overload the rear axle rating and perhaps create a handling issue.

As a test before purchase, put five 50 pound bags of sand by the tailgate and then take the truck and trailer to the scales to see the numbers. This presupposes that the truck and trailer have been weighed before without the sand bags.

I installed the underbed Titan 56 gallon tank in lieu of the stock 34 gallon tank. Using this system, all of my diesel fuel is always fresh at at every refueling. Having a separate tank would allow the opportunity for the secondary fuel tank to accumulate moisture and the fuel to go stale.
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Old 03-05-2015, 08:58 AM   #32
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That 30 gallon or over 250 pounds of tank and diesel fuel would be behind the rear axle of the truck. This would tend to unload the front axle. When coupled with the tongue weight of the trailer, it could be possible to overload the rear axle rating and perhaps create a handling issue.
That is a good point that I didn't think about. I think I will go back to my original plan of adding Transfer Flow's 50 gallon low profile across the bed tank. I like the idea of replacing the OEM tank with a larger one, but I can't get over the thought of removing a brand new OEM tank and replacing it for just a 20 gallon gain. I will lose 16.5 inches of bed space, but will gain 50 gallons and be able to use the tank in the future on a replacement truck. As to the fuel getting stale or moisture accumulating, I drive a lot of miles, and I believe I will keep the auxiliary tank fuel cycled enough to not have this problem.
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Old 03-14-2015, 09:34 AM   #33
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I found another option. Enduraplas: http://www.amazon.com/EnduraPlas-Die...rds=enduraplas
25 gallon portable diesel tank 19" high with built in pump and nozzle. Gives you the option of taking it out of the truck. Should fit under tonneau. Less than $600 and gives me a total of 61 gallons with OEM tank. They also make larger ones but this one is pretty compact.
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Old 03-15-2015, 06:43 AM   #34
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While the tank on Amazon is removable, is uses a lot of bed space when installed. It would use nearly 50% of the floor space in my 6' 4" bed.

That is why I chose the replacement tank for the stock tank as I did not loose any storage area in the bed.
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Old 03-15-2015, 08:24 AM   #35
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I installed the underbed Titan 56 gallon tank in lieu of the stock 34 gallon tank.
Does your tank extend below the rails under your truck?
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Old 03-15-2015, 11:19 PM   #36
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Does your tank extend below the rails under your truck?

I too replaced the stock 26 gallon tank on my F-350 with a Titan 50 gallon diesel tank, and it extends and inch and a half lower than the stock tank.



Regards,


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Old 03-16-2015, 06:27 AM   #37
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On the Dodge, the Titan extends slightly below the rails and goes way forward with an interesting top shape. The axles and differentials still determine the ground clearance. I am out of country now, so can not measure the truck for that tidbit of information.
Attached Files
File Type: pdf TITAN-2013-Brochure_WEB_12.03.2012.pdf (609.7 KB, 26 views)
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2014 31' Classic model 30 twin beds, 50 amp service, 900 watt solar system, Centramatics, Dill TPMS, disc brakes, 16" tires & wheels
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