Add Miles Towing With A Gravity-Fed Auxiliary Diesel Fuel Tank~Full Install

Hey, guys in this video I install a gravity-fed auxiliary diesel fuel tank in the bed of my 2012 F-350. I hope you get something out of the video!! If you have questions I will try to answer them!
Where I bought the fuel tank: www.budandtonystruckparts.com/
www.budandtonystruckparts.com...
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[@katelynfox3592]

Thanks for the video! Will be doing the same on my 02 7.3. Tired of always stopping for fuel. Happy camping!

[@ViseGrip1974]

Thanks for watching !! Yep, we hate having to make all those those fuel stops while traveling as well. You will love the upgrade!! Happy camping to you as well!! :)

[@stevebradley7690]

Just found your channel and subscribed. I have a DeeZee 40 gal tank ordered for my 2003 f250 6.0 . Thanks for sharing it will help me with the installation.

[@ViseGrip1974]

Awesome man thanks for the sub and I think you will love the added miles between fill ups I know I do.

[@JREACHER1954]

I put a 91 gallon RDS gravity-fed tank in my 94 Chevy diesel and if I'm not towing I calculate fuel usage from miles to the tankful to months to the tankful. It's a great product and I've had zero issues, so far.

[@ViseGrip1974]

Awesome, thanks for watching!!

[@nowitnessnews1887]

great video!

[@ViseGrip1974]

Thanks for watching!!

[@paulrockwood371]

Thanks a lot man. Awesome video. I have a 12 f350 also white haha so this is perfect. Ive gpt cclb with 36 gallon tank but I will be adding this like uou for that extra ability.

[@ViseGrip1974]

Haha, white was the color in 2012!! :) Good luck man I am loving mine!!

[@OnTheMewve]

Great Video new friend. I appreciate the info. Wilson

[@ViseGrip1974]

Thanks for watching and I appreciate the feedback!!

[@paraengr0770]

Great video, very informative!!

[@ViseGrip1974]

Glad it was helpful and thanks for watching!!

[@DerekNS74]

do not go by this. He is doing everything wrong.

[@dptp9lf]

Ideal place for using a step bit...

[@ViseGrip1974]

Yes, sir I just didn't have one. Thanks for watching!!

[@jeremyechternach1247]

That line you called overflow is actually air vent line. It is what allows the fuel to actually drain quicker. Think of it like shotgunning a beer. If you don't pop the tab of the can the beer flows out slowly. But once you pop the tab to allow air it rushes out.

[@ViseGrip1974]

Thanks for watching and the input much appreciated!!

[@samgarofalo2461]

I like Beer ❤️

[@hammerdownram4370]

Only problem I have with gravity feed is, Water is heavier than Diesel fuel, water goes straight to the bottom and is the first thing in your truck tank.... as much water that is in the fuel now days, I fill my truck from the transfer tank but it goes through two water separators and a 2 micron filter before it goes in my truck. This keeps my truck system water and debris free.

[@ViseGrip1974]

Makes sense thanks for the input!!

[@ck3561]

Quick question, I always hear about high amounts of water in diesel fuel. I have a water separator on my truck and two fuel filters. I have never had an issue with water. I also do use hot shots everyday which has water separating properties but where does the water go?

[@nootnop2]

That was a good video. On my F350, I did the same thing with my vent hose. Found out that where it touches the bed or cab it was rubbing the paint off. It also had fuel on both the cab and bed that the wind blew all over. The fix was to route the over flow hose thru the same hole as the the fuel hose. not as messy. I want to know how much room you have between your tool box and 5th wheel

[@ViseGrip1974]

Actually I don't use my toolbox when I tow my camper because of the fuel tank I don't have enough space between the 5th wheel and the toolbox. May tool box is 20" across the top. I just take my toolbox off when I hookup our camper. But if I didn't have a fuel tank in the bed I would have 10 1/4" between the toolbox and the 5th wheel. Hope this helps.

[@daveholte7658]

I have the same unit. And do need it for my small OEM fuel tank My question is Have you ever heard of installing a camper type unit folding or hard side camper While keep my gravity feed tank and tool box I am thinking to try something and do a build around the tank and tool box I don’t want to remove it Good video

[@TomPlaneto]

Great video, just finished installing mine on my 06 Sierra. Noticed where you ran the fuel line to the filler neck it seems like there’s a pretty shallow spot there that would hinder the flow. Any problems with that? Reason I asked is cause mine comes out on a slight upwards angle from the tank to where it goes through the beside. Thanks

[@ViseGrip1974]

Thanks for watching and glad it helped. No problems at all I love it. That was a hard place to mount the gravity fuel line but so far so good. Hope you enjoy yours!!

[@lukebryant6523]

I apologize if you went over this in the video and I just missed it. But did you have to do anything for the breather tube from the main tank? I've heard that it has to be moved up higher than your auxiliary tanks height.

[@ViseGrip1974]

No I did not do anything with the breather tube. I just ran my line from the AUX tank to the main fuel line cut in my line and installed my supplied valve and line and that was basically it. Thanks for watching!!

[@sickmansgas483]

Can you do this with gasoline trucks? I notice all of the tanks I’ve looked at say “diesel only”

[@BK-gc1jm]

when you put the piece into your truck fuel fill line. was the hose rubber or metal where you cut to put the section in with the fitting for the gravity feed fitting? hope you know what I am talking about.

[@ViseGrip1974]

It was rubber on my truck. Good question than thanks comment.

[@chinodistributor]

My friend I have a question for you thank you in advance. I wonder if is ok if you leave the little gate valve in open position all the time ?

[@ViseGrip1974]

Hey thanks for watching and for the comment! Yes sir you can leave the flow valve open all the time if you want to. I would do that for sure if I was traveling on a long trip. Say for example you get going down the road and you notice you have about a 1/4 of a tank of fuel in your main tank because you forgot to open the valve after you filled up the gravity tank. You then decide to stop at a rest stop and open the gravity tanks flow valve. The tank will fill at a rate that will fill your main tank as you are traveling down the road however it will be slow but it will fill it. I love it it's great for long trips.

[@mobkinq]

I need a video how to remove the auxiliary tank from my f250. I don’t have the key to the gas cap

[@kevinrogers4223]

Doing the same on my ford 2015 6.7 - I’m thinking about adding a small pump to help move the fuel over and run it to the power up switch.. now that you have run yours for a few months do you leave the value open all the time or turn it on and off. Is an electric pump something you’d suggest?? Thanks for your install video- I went with an RDS combo 60 gal with small box on top and adding a roll up bed cover to help secure the bed.

[@ViseGrip1974]

So far the way I have used the Aux tank is I will use the OEM tank first till it is time to refuel it. Then when the truck is just sitting and not being used I will open the Aux valve and let the OME tank refill. I have not taken any long trips with our 5th wheel due to Convid this year so I just can't say fo sure if it will push up and out through the filler neck or not. I will say I filled up my OEM and the AUX tank before I left the beach the other day and kept the Aux valve off till I got home (3 hr drive) and let the OEM tank refill overnight and I had no pressure build up for me drive home that day.

[@kevinrogers4223]

Hook It Up Outdoors - we have kept aux tank with gravity valve open all the time. Fill it up and have had no issues at all. Put a locking cap on factory to remind us to make sure aux tank is empty before taking off factory tank. We fill factory tank then move nozzle to aux tank. When the gauge starts to drop we know it’s time to look for fuel! Works great with no issues.

[@ViseGrip1974]

@@kevinrogers4223 Yes sir that is how I fill mine up OME tank first then AUX tank. I love it I can get (road miles not much pulling) around 850 to 1000 miles per fillup now.

[@jumpout4660]

@@ViseGrip1974 you can leave the valave open all the time on the aux tank and it will keep your oem tank topped off it will not over fill thats what that T connection with a ball valve will prevent it from doing. as your oem tank goes down it will fill it up once you see the fuel gauge going down your aux tank is empty.

[@mikef6706]

I have the RDS Combo 40 Gallon Tank / Toolbox. Gravity Feed Only at this time. If I let the aux gravity feed to the main (times my truck fuel gauge faults and shows empty). I have no filter as your install but am thinking of adding one. I figured I would just let my main filter filter the fuel. I have had some issues with only getting 2,500-7,500 miles/filter rated at 15,000 miles. 07.5 Duramax LMM 107,000 miles. I carry a spare filter but it is somewhat a pain to change due to it’s location. Possibly might add a AirDog system….👍

[@pekwalker]

I'm getting ready to put one of this in my truck. I have two questions, do you leave it open all the time so the auxiliary tank fuel always feeds into the main tanks, and what keeps the fuel from back up through the filler neck on the truck?

[@ViseGrip1974]

Thanks for watching and the comment and questions!! Question 1: No with this tank you can turn the valve off and on as you like. Question 2: I I positioned the valve under my bed so it was on top also I think the valve is made so that the fuel only flows one way. I have never had any issue of fuel going back up into the tank. You will love this setup I know I do. Good luck!!

[@michaelcastro5339]

If you leave the tank valve open like in this gravity-fed unit, you can't fill the bottom tank like you used to do, because if there is any gas on the top tank you would cause a mess since the fuel will gush out when you open the fuel port in the truck... so get used to only fill up the top tank...trust me you will only make that mistake once. Also, you don't have to leave it open to the tank all the time... but what is the point of having a bigger tank if you have to stop, get out of the truck turn it on and get back inside to continue driving, just use the setup like if you only had 1 large tank and never worry about it again.

[@Wrensspeedshop]

How did the system end up working out for you? I’ve been curious as to the tanks that utilize a line going to the main fuel line. Do you have to stop while you’re traveling and open the valve in order to let it start filling up the primary tank or what do you do? Thank you and great video.

[@ViseGrip1974]

I love the tank it has worked great. Although I haven't really been able to go on a real long trip or camping trip with it. We had one planned but then Covid hit. But running around home or to the beach pulling the boat it works great and I love the fact I don't have to fill up near as often. I usually just leave the valve open but sometimes I do close it. Mainly when I am fueling up to make sure I fill up both tanks Gravity and Primary (truck) all the way.

[@anekhoda]

You haven't install any valves. How do you control overflow of you main tank from auxiliary?

[@kevinrogers4223]

So far the main tank does not overflow with the cap on. We have been watching it close. If there is a problem we will install a pump in the line with a switch in the cab. We may put a locking cap on the main tank so it doesn’t get opened by mistake. That would be a problem.

[@tonyreyn7451]

Great Vid , id think about puttin a shut off valve where it comes out of the tank , just in case , Awsome Tony From Australia

[@ViseGrip1974]

Yes sir the tank came with the cut off valve and agreed it needed it. I turn it off and on a lot for different reasons. Take care from across the pond!! :)

[@lancedooley7558]

Can you route it through the fifth wheel hole plug? I just don't wanna drill in my 74k diesel. That's my plans. Good video.

[@ViseGrip1974]

I don't if you can or not. I just drilled the hole. Thanks for watching.

[@LB7Amoney]

Hey man how’s the tanks working out wanting to putting one in my 04 2500

[@ViseGrip1974]

It's good so far I really like the fact I don't have to fill up near as much. lol Only downside is you lose a little bed space. Thanks for watching!!

[@arc2226]

What do you do about the air vent on the stock tank - or is there one? Since the fuel level of the auxiliary tank is higher, once the stock tank fills, wouldn't the fuel then start flowing out of the original air vent? Unless you stop and close the fill valve from the auxiliary tank and only open it when filling the stock tank. I would assume the stock tank air vent would need to be rerun and extended above the new transfer tank, then the problem goes away. How did you address this problem? Thanks

[@ViseGrip1974]

Thanks for watching and the comment and questions!! I am not sure exactly the best answer to give you on this but once you fill the main truck tank and then fill the gravity tank it will not let any more fuel into the main tank because it is full so it's just like filling only one tank. The gravity tank valve will only allow fuel to flow in once the fuel goes below the valve I install in the main filler neck. I have never had any issues with fuel escaping at all.

[@arc2226]

@@ViseGrip1974 Thank you for your quick reply. I think the part I was not understanding was that the valve you installed in the existing line is also a regulator for the flow. Thanks again.

[@JohnweaverIII]

where did you get metal fitting for fuel filler neck?

[@ViseGrip1974]

Thanks for watching!! It came with the tank.

[@1bakerblue]

So did you tank work aand if so Do you think it will work with Gas... Thanks, Great video...

[@ViseGrip1974]

Yes it works great I love it. However please contact the dealer or manufacturer is you can use gas in it I have no idea. Thanks

[@anthonyarroyo2672]

How you going to pump it to your gas tank or are you just letting it free flow??

[@ViseGrip1974]

It is a gravity tank it flows freely to the main tank.

[@gabehintzsche2064]

Where did you get the valve that you put into the filler neck?

[@ViseGrip1974]

It came with the tank. Thanks for watching.

[@gabehintzsche2064]

@@ViseGrip1974 👍 no problem, trying to hook up two tank the same way in my truck

[@teejay622]

Could this also be done to a gas truck? Seems like every video on this subject is for a diesel.

[@ViseGrip1974]

From what I have read you can but I would check with whatever tank manufacturer you go with. Thanks for watching!!

[@geriatricginger]

cannot gravity-feed gasoline, lawfully.. Only Diesel.

[@jumpout4660]

@@ViseGrip1974 you can not use this tank for gasoline its only for diesel. dOT will fine you if caught gasoline is very combustible and diesel is not. .that is for gravity feed into a fuel system on a vehicle.

[@theirthereandtheyre2947]

Dual tanks should be an option like they were back in the day. Much rather have a spare tire in my bed and a tank behind the axle.

[@DerekNS74]

You should have left a half inch gap in front of it. That thing is gonna be banging the front or the bed on every bump. And you are supposed to put the foam tape on the raised ridges of the bed, not the tank. Wow.. lol.. now I see you are hard mounting it. It should be spring bolted.

[@scoobydew6327]

Couldn’t see you attaching to fuel line video sucked or angle an no mention on what part that was as it’s not in the links

[@TripleXess]

so you can only do this with diesel?

[@gregmenniges5963]

Only diesel.

[@hall369]

You can do it with gas also. You will need a tank suitable for diesel AND gas, and will need a pump as gas needs to be pumped from the top of the tank. I have an ATI AUX46 hooked up on my gasser with a small external fuel pump and inline filter. Installed a switch in the cab and fill it up on the fly. Works perfect travelling cross country pulling our toy hauler.

[@saultube44]

WHy cars can do 3x the mileage of a truck, shopuldn't be proportional? something is wrong there I think, looks like truck owners are getting scammed blind

[@chuckken3438]

Dummy...you should have ran your tape length wise!