Increase Your Truck's Range and Cure Range Anxiety: RDS Auxiliary Tank & Toolbox Installation
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- Опубликовано: 28 авг 2024
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RDS 40 Gallon Tank: amzn.to/40W4drL
RDS Website: rdsaluminum.com/
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Join me on my journey as an RV enthusiast, where I share my experience with my 2022 RAM 3500 Dually Truck and the mistake I made by not opting for a larger fuel tank. In this video, I'll explain how I tackled my range anxiety by installing an RDS auxiliary fuel tank and toolbox combo. Learn about my search for the perfect solution, the USA based RDS Manufacturing in Perry, Florida, and my decision to purchase their top-quality, 41-gallon tank with a 10-inch deep toolbox.
Discover the features and benefits of this game-changing product, including its aluminum diamond plate design, fuel gauge, reinforced toolbox cover, and compatibility with my tonneau cover. See how the RDS auxiliary fuel tank and toolbox combo has transformed my RV adventures, providing me with an extended range and secure storage for tools.
Don't forget to like, comment, and subscribe for more RV and truck-related content! If you've found this video helpful, please share it with your fellow RV and truck enthusiasts.
Tags: #RDSManufacturing, #AuxiliaryFuelTank, #Toolbox, #RVLife, #RAM3500, #DuallyTruck, #RangeAnxiety, #TruckUpgrade, #FuelTankUpgrade, #RVAdventures, #TruckAccessories, #Installation, #TruckMistake, #RDSAuxiliaryTankReview
Installing Auxiliary Diesel Fuel Tank 
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I have received several questions around concerns that the aux tank will cause the main tank to overflow through the main filler tube when both tanks are open,. I can assure you that this is not the case. I have had both tanks completely full with the shut-off valve open. I have let the truck sit for several weeks with both tanks full, less the short drive back from the filling station, and I have had no leaks or overflows. Here is the reason why they do not overflow.
The reason the main tank is not overflowing when the auxiliary tank is also full is due to a principle in fluid dynamics known as hydrostatic equilibrium.
In simple terms, two connected containers of fluid will eventually balance out to the same level, regardless of the size or shape of the containers. This is why water in a series of interconnected tubes or vessels all settles at the same height.
In the case of this install, when both the main and auxiliary fuel tanks are full and the shut-off valve is open, the fuel in the auxiliary tank will flow into the main tank until the fuel levels in both tanks balance out. Since the T-connector is about a foot below the auxiliary tank, the fuel can only flow into the main tank up to the level of this T-connector.
Imagine a long straw with both ends open. If you submerge one end of the straw into a cup of water, the water will rise in the straw only to the level of the water in the cup, not higher. It's the same concept with these fuel tanks.
When using fuel from the main tank (while driving, for example), the level in the main tank will drop below the level of the auxiliary tank's T-connector. The auxiliary tank will then start to drain into the main tank to equalize the levels until the fuel level is once again at the height of the T-connector. If the main tank fuel is used so the level in the main tank drops below the T-connector, the auxiliary tank will continue to drain until its level is at the T-connector or until the main tank is full, whichever comes first.
If the fuel consumption continues and the level in the main tank falls below the T-connector, the auxiliary tank will continue to drain until it's empty or the main tank is full. If the main tank is full, it won't overflow because the fuel level in the auxiliary tank is now lower than the T-connector, and the auxiliary tank cannot push more fuel into the main tank.
Therefore, as long as the level of your T-connector is below the maximum fill height of your main tank, you shouldn't experience an overflow from the auxiliary tank into the main tank.
Oh but wait....The T-Connector is above the top of the main fuel tank..... Yes that is true, but......
If the T-connector is above the main tank but below the maximum height of the fill tube that fills the main tank, the fill tube effectively acts as part of the main tank for the purposes of balancing the fluid levels. As such, the system will still balance out to prevent overflowing.
Here's why: the fill tube for the main tank, as long as it is open to the main tank and not obstructed, is considered as part of the "volume" of the main tank. Fuel will rise in this tube up to the level of the T-connector, the same way it would in the main tank itself.
Fuel will flow from the auxiliary tank into the main tank and its fill tube up to the height of the T-connector, balancing out the fuel levels. So, even if the main tank's top is below the T-connector, the fill tube's extra height provides the space needed to prevent overflow.
However, this can depend on the specific setup and design of your fuel tanks, so it's always a good idea to consult with a professional or the tank's manufacturer if you have doubts or questions.
We at Tank and Barrel loved watching your detailed video and how it turned out! Thank you for sharing this. We're glad you're happy with your purchase!
You’re very welcome!
You're the best. I think this is one of the most informative videos on this matter, out there. Nice job. Thanks for posting this video.
Thank you. I’m glad you found it helpful.
Another great video scott! Love the upgrade too. That’s going to be a huge help for you on trips. Ok, Let’s go!!
You're too kind. Even after just filling it up with 20gal, I felt empowered! ;)
Doing this with a 91 gallon combo soon
Thanks for the detailed install
You're welcome. Good luck. Its pretty easy. One thing I did notice is that I had cut the rubber hose section a bit too short on my initial install. I ended up replacing it because it formed a small leak. Just make sure you don;'t skimp on length. Also, keep the extra handy just in case you need it in the future.
I very much appreciate that Sir. Keep up the good work.
Finally getting around to installing the tank side of mine work aside,
How did you go about adjusting the intake elbow if at all? Or does it come pre installed the only direction you can mount it?
This is that brass fitting that im speaking of, thanks for the insite
@@unknown_truckers l’m not sure what you are referring to. Do you mean the brass fitting next to the fill inlet on the aux tank? It was pre installed on mine and I did not adjust it.
@senselessscott yes sir that's what I was referring to. That's the last bit I need to do but everything else and putting in a grommet worked wonders for the tube.
Nothing wrong with being meticulous and slow. Measure twice cut once eh? Fabulous job by the way.
I can’t believe Ram wasn’t going to warranty a 50 gallon tank that comes from their factory. Very odd!
I’ve been looking at one of these vs a 50 gallon upgrade tank under the truck for my 16’ Ram Laramie. Still checking things out.
Thanks for the video!
Thank you for watching and your kind comment. I think it was more of the dealers that were the issue and not RAM as a company. I think if I called the RAM regional support I would have gotten better support. I just didn’t have the time to waste with dealing with those local dealers in the middle. As far as the tank, we just did another 1200 mile trip and it again served its purpose well. Actually saved us some $ as I was able to stock some lower cost fuel so to avoid the higher price at the next stop. Had to carry the extra weight but I don’t think it impacted fuel economy so much to matter. Added 30 gallons at $0.52 less per gallon. Every little bit counts!
This is on my list as well. Great content and great details on how its done!
Glad it was helpful!
Nicely done. Thank you for taking the time. We will be checking out ”Tank & Barrel".
Maybe see ya on the road sometime, be well and safe travels.
Any time!
You should be spraying that grommet down with rattle can bedliner before and after installation.
I’m not sure what you are referring to as far as helmet. Can you clarify?
@@okletsgorvI’m sorry, Siri butchered it. I was talking about the grommet.
Story of my life! I have a love/hate with Siri! That you for that pointer. I can probably lift out the grommet a bit hit it, put back in place and hit again.
Does rds not supply spacers for under the mounting tabs? Seems like a point of failure being mounted on an unsupported tab…. A lot of other manufactures supply spacers for areas of the mounts that don’t touch the bed directly
Hello, They do not provide spacers for under the tabs, at least not in my kit. The neoprene does provide a bit of space but over time I imagine that would compress thereby eliminating any spacing benefit. I see your point, but I am wondering if the spring being on the fastener offers enough movement that it would eliminate metal fatigue thus diminishing the failure potential. Though I do think your point is very valid. Perhaps a firm bushing between the tab and the bed. I think that would help and definitely not hurt. Although, I wonder if it would need to be large enough to be the entire surface of the tab and then some to under the tank itself, otherwise there is a "pivot point" which would be at the tab to tank weld and the constant movement could fatigue that to break point. Hmmm.
@@okletsgorv the springs provide a dampening to prevent the tank from being mounted solid and fracturing welds on the tank or bed. The spacers should take up the space between the bed and the tabs. Without spacers under those tabs, the bounce will eventually bend them, making all of your mounting points loose. The neoprene is so that the tank doesn’t wear itself into the truck bed, creating a metal to metal contact. Vibration of the tank, will make it eat onto the bed metal and either damage the bed or make the tank fail. The bed liner does dampen for awhile, but since beds liners are firm and not really flexible, the tank would chew through relatively quickly from driving vibrations which is why the neoprene is used. Neoprene holds good abrasion resistance and is waterproof and pliable and should not deteriorate.
Where did you get the bolts and springs? What size bolt and nut?
They came with the tank kit. I am not sure what size they are. They will likely be specific to the tank kit.
How hard is it to fill your new tank when your fifthwheel is attached?
For me its not prohibitively difficult. I do have to climb up over the rail and onto the bed by stepping up on the tire. I typically have the hose in the regular tank when doing that so I can have both hands free to lift myself up. I then reach over to grab the hose. I have a 8ft bed, so there is plenty of room to move around to open and get to the tank. If it were a short bed, it would be tougher -- if the aux tank would even fit in the first place. Once I am done fueling I will either put the hose back in the primary tank to hold it, or just hold on to it as I jump off the truck. I'm pretty agile and nimble for doing this, but for anyone that has weight or physical conditions with knees etc, I suspect it would be a bit more difficult.
What keeps it from over filling the truck tank? Do you need a cut off switch?
See the pinned comment for more details. It does not overflow due to the hydrostatic equilibrium.
That was me responding as SenselessScott
Does the fuel shut off once the main tank is full? i thought that there would be a check valve somewhere inline ?
Hello,
The short answer is yes but I am not sure how it is happening. I suspect it is just pressure equalization but I am not sure. (I know just enough about fluid dynamics to be dangerous) The valve component that I show in the video that comes with the install kit is described in the documentation as a roll-over spill prevention valve, and not a check-valve in the terms you are eluding to. It could be that it is indeed a check valve of sorts, but again I have no conclusive information on that. I can tell you this, I have filled the main tank as well as the aux tank and left the shut-off valve open. I have had no leaks or overflow even after leaving it sit for a few weeks with both tanks completely full -- less a short drive back from the filling station. I have a call into RDS as of today (7/6/3023). I am going to ask them how it is that the main tank does not overflow when both the aux and main are full. Again, I do suspect that it is just pressure equalization, but that is just a guess. I'll post the definitive word from them as a rely here and pinned comment once I have the answer. Thank you for watching!
@@okletsgorv let me know what you find out and thanks for the quick response.
Silly intro.
Yes indeed.