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11-25-2018, 08:42 AM
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#81
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Established Member
Join Date: Aug 2013
Location: austin
Posts: 27
M.O.C. #13656
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Quote:
Originally Posted by shovelhead86
I marked the existing filler pipe and removed it and did the cutting on the bench. Cleaned everything and reinstalled it.
My tank is a gravity feed 37 gal. tank. It works just great. Fuel gauge reads full until all fuel is used from the aux tank and main tank starts going down. I don't have a problem with that.
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Same here. Mark, take off one clamp, 3 screws and pull the pipe. Cut/clean, and reinstall with the adapter tee.
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11-27-2018, 09:16 PM
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#82
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Montana Fan
Join Date: Nov 2018
Location: Charleston
Posts: 454
M.O.C. #23094
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I've had a 37 gallon gravity feed tank for about 8 years and installed it in two different trucks. I love it. Makes things much less stressful for me.
Think it was around $500 with the gravity fill kit from Northern Tool.
Both trucks were/are short beds with 26 gallon tanks. Looking for a fuel station every 200 miles gets old quick.
If I could not buy another, I wouldn't sell it for $2000.00
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11-28-2018, 07:37 AM
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#83
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Montana Fan
Join Date: Feb 2017
Location: No Town
Posts: 432
M.O.C. #19482
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Same with us. I carry an extra 5 gals.
__________________
Don & Ann Wheeler:
2017 Montana 3791RD, 2017 RAM 3500 Diesel Dually, Aisin, 4.10, Sailuns, Disk Brakes, TST TPMS.
Don: USAF Ret., Fighter Pilot - Vietnam Vet '66-'67 & Ann: Ret., Texas A&M Ph.D.
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11-28-2018, 07:46 AM
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#84
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Montana Master
Join Date: Oct 2017
Location: Trinidad, TX
Posts: 506
M.O.C. #20746
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Will a gravity feed tank work if you have no fuel cap like we have on the RAM? How does it keep from overflowing?
__________________
2018 Ram 3500 Laramie Longhorn 4X4 Dually Cummins Aisin CC LB / B&W Companion hitch
50 Gallon Transfer Flow in bed tank w/ Trax 3
2018 Montana 3121RL
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11-28-2018, 07:47 AM
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#85
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Montana Fan
Join Date: Sep 2015
Location: Anaheim Hills, CA
Posts: 161
M.O.C. #17873
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Quote:
Originally Posted by AZ Traveler
I replaced my stock tank with a larger Titan tank. It's great to have a little more fuel on board.
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I did the same and this is the 2nd truck I did that too and the new truck is a long bed so I ended up with 62 gallons, I didn't want to give up space in my truck bed.
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11-28-2018, 08:49 AM
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#86
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Montana Fan
Join Date: Nov 2018
Location: Charleston
Posts: 454
M.O.C. #23094
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Quote:
Originally Posted by RoadRunnerTR21
Will a gravity feed tank work if you have no fuel cap like we have on the RAM? How does it keep from overflowing?
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You have to cut the filler neck hose and install a T fitting in the hose.
This T fitting has a float ball valve that close off when the fuel gets up to it.
I've had ours in two different trucks over 8 or 9 years and it has worked perfectly every single time. (Chevy and Ford)
You simply purchase the T fitting kit that fits your truck. (The filler neck hose is different diameters on different trucks). The kit comes with everything you need to install the gravity fill.
I'm not familiar with the fuel cap on your Ram.
__________________
2019 Montana HC 310RE
2010 Wildcat 29RLBS
2014 Ford F-350 Lariat 6.7
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11-28-2018, 09:37 AM
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#87
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Montana Fan
Join Date: Sep 2018
Location: Reno
Posts: 291
M.O.C. #22620
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Funny Story. Have a friend with a Ford 350 diesel. He put his aux diesel tank in the bed and enabled the gravity, drip feed. after driving a couple of days, he got an engine light. Turns out the onboard computer decided something was wrong because he had driven 700 miles and his fuel never dropped below FULL.
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12-05-2018, 08:10 AM
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#88
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Established Member
Join Date: Apr 2009
Location: Dover
Posts: 48
M.O.C. #9285
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Quote:
Originally Posted by mhs4771
I installed the RDS 40 Gal Tank/Tool Box combo in the new truck. Haven't needed to stop at a Truck Stop since. Since we limit our travel days to 250 - 275 miles I can fill-up every other day after dropping the trailer in the CG.
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Which tank did you get? How much room does it need from the back of the bed to lift the toolbox cover?
Thanx Dean
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12-05-2018, 09:41 AM
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#89
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Established Member
Join Date: Apr 2009
Location: Dover
Posts: 48
M.O.C. #9285
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Anyone have experience with a ATI AUX30CB aux tank?
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12-06-2018, 05:05 AM
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#90
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Montana Fan
Join Date: Aug 2018
Location: elmvale
Posts: 105
M.O.C. #22355
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I have a 40 gallon deezee only 8 inchs wide and then my 7000 honda. Still have lots of room in the box. 3500 gmc long box
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12-06-2018, 10:05 AM
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#91
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,659
M.O.C. #9969
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Dean, it's an RDS-72775
I have a Roll-n-Lock cover, but the tank is up flush to it.
__________________
Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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12-07-2018, 07:45 PM
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#92
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Established Member
Join Date: Apr 2009
Location: Dover
Posts: 48
M.O.C. #9285
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Quote:
Originally Posted by mhs4771
Dean, it's an RDS-72775
I have a Roll-n-Lock cover, but the tank is up flush to it.
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Do you have any pictures I'm a visual kind of person !
Thanx - Dean
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12-08-2018, 06:50 AM
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#93
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Montana Master
Join Date: Mar 2013
Location: Frostproof, FL USA
Posts: 2,362
M.O.C. #13272
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Quote:
Originally Posted by Fish
I've been rolling this around in my mind since I bought this Ram. We go about 1000 miles to Florida in the winter and make 2 stops on the way. With the travel trailer I'd unhook at the campground and go into town for cheap fuel. My Ram tank is 4 gallons less than the Duramax was, so I don't think I can get to my normal stops now without getting fuel.
I'm trying to decide between the 40 gallon rds tank toolbox combo transfer, the rds tank toolbox combo with pump and nozzle, or just going to truck stops and paying another 30 cents per gallon.
I don't like the idea of cutting into my filler neck for the transfer combo, scared of getting metal shavings in my tank. Does cutting into the filler neck cause a possibility of warranty issues?
The rds tank/toolbox with pump and nozzle costs about $500 more.
The plus of having extra fuel would be I could stay hooked up for our quick overnight stops and get going in the morning quicker, plus the savings on fuel costs. It's going to take a lot of fuel though to overcome the transfer tank price (800) or the pump nozzle price (1300).
I can't make up my mind.
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A few years ago when we went full time with our F350/Montana I knew I had to increase my fuel capacity. Looked at all the possibilities since I had a really small tank.
Even being full time we planned on spending 4 winter months stationary in SW Florida, 3 months stationary up north, and then just 5 months actually traveling all over. So in reality I would only need the extra capacity for the 5 months of traveling.
I purchased four 5-gallons diesel cans with ez-pour nozzles. They fit perfectly in a low bed tool box I had and the cost was cheap of course. It took a little more work to add the extra 20 gallons when I needed it but being retired I had all the time in the world.
When we came off the road and bought another house I sold those cans for about half of what I bought them for. I would guess 2 years of having extra capacity fuel on board cost me in the neighborhood of $25 to $30.
__________________
Previous: 2008 Montana 3400RL & 2014 3725RL
Current: Full Time 2022 SOB TT Toy Hauler
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12-08-2018, 08:24 AM
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#94
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Montana Master
Join Date: Apr 2016
Location: Auburn
Posts: 879
M.O.C. #18474
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Quote:
Originally Posted by deanrd
Anyone have experience with a ATI AUX30CB aux tank?
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Sorry, I do not have the combo tank/toolbox, but I do have an ATI 51G tank that I absolutely love. Since I already had a low profile toolbox, I put the one that barely sticks above the rails but is only 8" wide. I love having extra fuel.
__________________
2020 Montana 3790RD Legacy EditionOnan, TST TPMS, TrailAir pin, Discs,
2013 F350 DRW 4x4 CC LBViair 10007, Ride-Rites, Westin HDx, 12k Smittybilt
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12-08-2018, 10:47 AM
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#95
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Montana Fan
Join Date: Apr 2016
Location: Medford
Posts: 498
M.O.C. #18546
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On my setup, I didn’t cut into the large filler hose, instead, I plumbed into the 5/8” tank relief vent hose. Since I use a fuel pump instead of gravity feed, I tapped into the relief vent up close to the fuel cap. Works great.
__________________
2016 Montana High Country 310RE
2020 Chevrolet Silverado 3500 HD LT CC 4x4 Duramax
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12-08-2018, 05:30 PM
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#96
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,659
M.O.C. #9969
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Dean, I have to revise my post: The tank is not flush to the tonneau box, it's approx
1 1/2" away. Sorry no pics
__________________
Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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12-29-2018, 03:11 PM
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#97
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Montana Master
Join Date: Jan 2018
Location: Northville, NY
Posts: 807
M.O.C. #21158
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I added a 37 gal aux tank so I could make it from upstate NY to VA before refueling do to high cost states in between. I have a short box and a slider hitch and the tank fits perfectly in front of the hitch with about 3 inches to spare. I can fit two folding chairs and my golf clubs between the tank and toneau cover snugly (nothing moves on the road). Total cost was about $500 and I'll never get it all back just from fuel savings but I just hated paying high fuel costs and it's nice just to have that cushion in capacity now. Computer's take on mileage has seemed to take it all in account as the readings I get seem to be about right.
__________________
Jim B
2017 Lariat F-350 FX4, CC, SB, 6.7 PSD 4WD
2018 MONTY 3731FL, at our private winter site in GA
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01-13-2019, 10:43 AM
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#98
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New Member
Join Date: Dec 2018
Location: Hesperia
Posts: 3
M.O.C. #23167
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I just Swapped my factory tank for a Transferflow 60gal tank. Worth every dime it cost in my humble opinion.
__________________
2019 3791RD 20th Anniversary
2017 F350 B&W 18K Patriot Slider
Firestone Air Bags, Transfer Flow 60gal Tank
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01-25-2019, 10:34 PM
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#99
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Montana Fan
Join Date: Mar 2014
Location: New Port Richey
Posts: 438
M.O.C. #14092
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I replaced my factory Tank with a 61 gallon transfer flow and also had a 50 gallon aux tank installed in the bed. The reason I did it wasn't for less fuel stops while RVing. It was because I live in Florida and while I have come close a few times recently, but if I ever have to evacuate because of a hurricane I have enough fuel (110 gals) to get well out of harms way without having to worry about looking for or stopping for fuel with thousands of other panicking people in the same place doing the same thing..
Normally I just my use my 61 gal tank for everyday driving. But during Hurricane season when there is a hurricane that is heading towards Fl I fill both my tanks at least a week before and keep them filled until it is passed no matter where it is going. You see it all the time on the news when a storm is approaching. People wait till a day or 2 before to try and get gas and supplies only to find stations empty and shelves bare..
__________________
2012 Silverado 3500HD|4x4|Crew Cab|long bed|Dually
2012 Montana 3750FL
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01-25-2019, 11:32 PM
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#100
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Seasoned Camper
Join Date: Jan 2019
Location: Aztec
Posts: 77
M.O.C. #23272
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Going to buy a 36 gallon tank for my bed. Tractor supply for under 300 bucks !
I have a 110 gallon L shaped, but it's too much of a good thing. I don't need that much, nor want the weight.
__________________
2016 Keystone Montana HM 374FL High Country (TRADED)
NOW
2017 Grand Design 376th
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