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Old 03-20-2019, 09:32 PM   #1
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Titan Replacement Tank

Anyone replace the miserably small 28 gallon fuel tank in their Ram with the Titan 51 gallon tank? Issues? Complaints? Love it? I have a 2015 Ram 3500 mega cab and am looking to stretch my leg time and only fill after dropping off the camper at the camp site while still saving bed space.
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Old 03-21-2019, 10:06 PM   #2
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About the only thing with replacing the OEM tank with a larger unit is I don't think you'll be able to reprogram the distance to empty to be correct. Otherwise it shouldn't be any issue.
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Old 03-22-2019, 09:08 AM   #3
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Anyone replace the miserably small 28 gallon fuel tank in their Ram with the Titan 51 gallon tank? Issues? Complaints? Love it? I have a 2015 Ram 3500 mega cab and am looking to stretch my leg time and only fill after dropping off the camper at the camp site while still saving bed space.
If you have a diesel truck I would go to "Turbo Diesel register .com" and ask your question there. I have not kept up on the fuel tank sizes on the newer trucks. My 2008, Dodge 6.7L Cummins, 2500 Mega Cab has a 34 gallon tank which is one (1) gallon smaller than the Crew Cab Long beds tank which is 35 gallons. If I was to add a tank it would replace the spare tire and fit in this cavity. In The 124,000 miles I have driven my truck I have never needed to use my spare tire.
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Old 03-22-2019, 11:10 AM   #4
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If I was to add a tank it would replace the spare tire and fit in this cavity. In The 124,000 miles I have driven my truck I have never needed to use my spare tire.

Remove the spare and replace it with a tank and the chances you'll need a spare will skyrocket
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Old 03-22-2019, 02:30 PM   #5
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The next time I buy new tires Iíll have to take the spare down and put my best tire in its place. I imagine that the brand new spare is probably rotten
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Old 03-22-2019, 03:04 PM   #6
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Thanks for your input. I called my Ram dealer about the DTE adjustment, and they started talking in circles. I think I'll keep the spare, I'm not the most fortunate person on the planet. Last flat I had, I had no spare and while I waited was hit by four deer ticks and ended up with Lyme Disease.
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Old 03-23-2019, 09:38 AM   #7
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Remove the spare and replace it with a tank and the chances you'll need a spare will skyrocket
My spare tire was new in Oct, 2007 when the truck was built. This has never been replaced in fact my towing tires are larger now so, it would not even work anymore on my truck. The lowering cable does work since I had to move the tire to clear the 5" exhaust.
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Old 03-23-2019, 10:04 AM   #8
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I have a 2015, 6.7, Ram dually 3500, replaced the OEM 28 gal with a 55 gal. No other modifications necessary although the fuel gauge doesnít correctly reflect current half . I can go about 150 miles before the gauge moves off of full. But you can get use to it
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Old 03-24-2019, 09:21 AM   #9
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I have a 2015, 6.7, Ram dually 3500, replaced the OEM 28 gal with a 55 gal. No other modifications necessary although the fuel gauge doesnít correctly reflect current half . I can go about 150 miles before the gauge moves off of full. But you can get use to it

Thank you. Did you reprogram your DTE computer? My dealer gives me the blank look. It seems as though techs are getting less and less skills in "problem solving".
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Old 03-24-2019, 09:45 AM   #10
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Sorry no, never thought about it. Just by driving, either pulling or not, I have been able to determine when to refuel based on the fuel gauge and territory. I use an app for mpg when I refuel
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