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12-03-2013, 02:01 PM
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#1
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4 Rivet Member
1995 34' Excella
Corinth
, Mississippi
Join Date: Dec 2010
Posts: 304
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Auxiliary fuel tank
I have just purchased an auxiliary fuel tank (60 gallon) for my F-250 diesel. It is installed with the gravity feed line running into the fill neck of my original truck tank. I am looking for feedback from some who have a similar setup. What are the cautions and drawbacks?
__________________
Why settle for anything less?
1995 34ft Classic Excella 1000
2012 Kings Ranch F-250 FX-4, 6.7 diesel, 6 speed auto trans.
TAC # MS-8
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12-03-2013, 03:01 PM
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#2
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Rivet Master
2009 27' FB Flying Cloud
1982 31' International
1991 35' Airstream 350
Jay
, Oklahoma
Join Date: Oct 2006
Posts: 1,706
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What keeps it from overfilling the bottom tank?
Regards,
JD
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Jeff & Cindy
'09 27FB Flying Cloud;'82 31 International
'91 350 LE MH; '21 Interstate 24GT
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12-03-2013, 03:04 PM
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#3
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Rivet Master
2007 30' Classic
Oswego
, Illinois
Join Date: Jul 2010
Posts: 13,669
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my thought as well.....a solenoid or manual valve?
__________________
-Rich-
"If the women don't find you handsome, they should at least find you handy." - Red Green
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12-03-2013, 03:13 PM
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#4
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4 Rivet Member
2012 25' FB Eddie Bauer
Fairbanks
, Alaska
Join Date: May 2012
Posts: 268
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I have about the same thing in my Dodge, there is an adapter that goes between the external filler and the standard tank that has a built in check valve. When the fuel level reaches the check valve it shuts off flow from the auxilary tank my holds about 50 gal. Since I built my own aux. tank I also put in a manual shut off at the tank and I don't turn this on until the main tank is down to below 1/2. The line from the aux to the adapter is only about 3/8 ID so flow is pretty slow and by the end of a driving day the main will be back to full and the aux is either empty or nearly so. Never had a problem with overflow in 15k miles towing with this setup.
__________________
Rick
"When you find yourself in a hole - quit digging!"
2012 1/2 Eddie Bauer, 2016 Ram Laramie 3500 SWB 4x4 6.7L Cummins 68RFE
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12-03-2013, 07:27 PM
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#5
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4 Rivet Member
1995 34' Excella
Corinth
, Mississippi
Join Date: Dec 2010
Posts: 304
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Quote:
Originally Posted by crisen
I have about the same thing in my Dodge, there is an adapter that goes between the external filler and the standard tank that has a built in check valve. When the fuel level reaches the check valve it shuts off flow from the auxilary tank my holds about 50 gal. Since I built my own aux. tank I also put in a manual shut off at the tank and I don't turn this on until the main tank is down to below 1/2. The line from the aux to the adapter is only about 3/8 ID so flow is pretty slow and by the end of a driving day the main will be back to full and the aux is either empty or nearly so. Never had a problem with overflow in 15k miles towing with this setup.
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This is the way that the installer explained it to me. I have read where someone had trouble with the original tank overflowing is the reason I wanted feedback. I was told that I should be able to leave the manual shut off valve open and let the aux. tank keep the truck tank filled as long as there was fuel available. I have not yet put any fuel in the aux. tank but will try it soon.
__________________
Why settle for anything less?
1995 34ft Classic Excella 1000
2012 Kings Ranch F-250 FX-4, 6.7 diesel, 6 speed auto trans.
TAC # MS-8
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12-03-2013, 08:03 PM
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#6
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4 Rivet Member
2007 27' Safari FB SE
Full Timers just passing through
, Arizona for a couple of weeks and then on to Utah!
Join Date: Jun 2005
Posts: 325
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I have the same setup and have used it for 4 years..several trips to Alaska and back..never a problem. Open the valve and drive on!
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Living life on the Road
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12-04-2013, 09:58 AM
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#7
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3 Rivet Member
2003 25' Safari
Riverside
, California
Join Date: Nov 2012
Posts: 234
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The biggest issue I see is fuel contamination.If the tank is steel it will more prone to adding rust to your system.With the high pressures and very tight tolerance in the modern diesel fuel system I would recommend adding better filtration.
__________________
2003 25' Safari
2005 Ram 2500 4x4
1994 Ram 2500 4x4
2015 Toyota Tacoma trd 4x4
2000 Jeep Wrangler 4x4
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12-04-2013, 09:24 PM
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#8
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4 Rivet Member
1995 34' Excella
Corinth
, Mississippi
Join Date: Dec 2010
Posts: 304
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Thanks to each of you for the input. I filled the tank today for $3.47 per gallon. It held 59 gallons. I am not expecting to travel until mid January but wanted to check things out before really needing it. The price was right so I just filled it up. I can tell shortly if all is well. Thanks again. Oh yes Bob 4x4 the tank is made of aluminum. I hope there will no corrosion to deal with.
__________________
Why settle for anything less?
1995 34ft Classic Excella 1000
2012 Kings Ranch F-250 FX-4, 6.7 diesel, 6 speed auto trans.
TAC # MS-8
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12-04-2013, 10:26 PM
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#9
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Rivet Master
2014 31' Classic
2015 23' International
2013 25' FB International
Apache Junction
, Arizona
Join Date: Sep 2012
Posts: 6,222
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Titan makes under bed/body diesel tanks so you only need one tank and still have all the bed area. I went from a 34 to 56 gallons in a single tank. The range is between 500 and 650 miles depending on a head wind or tail wind.
__________________
WBCCI Life Member 5123, AIR 70341, 4CU, WD9EMC
TV - 2012 Dodge 2500 4x4 Cummins HO, automatic, Centramatics, Kelderman level ride airbag suspension, bed shell
2014 31' Classic w/ twin beds, 50 amp service, 1000 watt solar system, Centramatics, Tuson TPMS, 12" disc brakes, 16" tires & wheels
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12-04-2013, 11:04 PM
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#10
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4 Rivet Member
2012 25' FB Eddie Bauer
Fairbanks
, Alaska
Join Date: May 2012
Posts: 268
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Hodum, Hopefully it won't slosh when full,mine holds 55 but I usually don't put in more than 45-48 due to this. As to aux vs oversize underbed tank, my take is while true you loose some bed space with an aux tank the advantage is it is 5 minutes to remove when not towing and since a partially filled tank is more prone to condensation one doesn't need to keep a big under bed tank full to avoid this.
__________________
Rick
"When you find yourself in a hole - quit digging!"
2012 1/2 Eddie Bauer, 2016 Ram Laramie 3500 SWB 4x4 6.7L Cummins 68RFE
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12-04-2013, 11:58 PM
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#11
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Rivet Master
2005 25' Safari
Salem
, Oregon
Join Date: Mar 2006
Posts: 8,376
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Hi, I don't know if this is still true, but diesel fuel used to turn into a green slime if not used; I wouldn't fill these tanks unless I was going on a long trip soon.
__________________
Bob 2005 Safari 25-B
"Le Petit Chateau Argent" Small Silver Castle
2000 Navigator / 2014 F-150 Eco-Boost / Equal-i-zer / P-3
YAMAHA 2400 / AIR #12144
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12-05-2013, 04:57 AM
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#12
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King of the Zebra Speedo
Obrien
, Florida
Join Date: Aug 2012
Posts: 1,439
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The diesel doesn't change into a green slime, it grows a fungus in it that makes a green slime... I know, I know, six in one, half dozen in the other. They make fuel stabilizer you can buy to prevent this from happening. Only need it if you aren't using the fuel and replacing it on a regular basis. I maintain large diesel generators that have very large diesel tanks. We use an additive that mixes in at a gallon per thousand of diesel...
__________________
Somebody ought to clean these windows. There is a tremendous buildup of gook all over them...
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12-06-2013, 10:44 AM
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#13
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4 Rivet Member
Join Date: Nov 2002
Posts: 334
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One additive popular with marine and aviation interests to prevent and/or eliminate microbe growth in diesel fuel is Biobar JF. I use it when there is a threat of moisture in the diesel fuel. It works quite well.
I have a 91 gallon RDS auxiliary tank in the bed of my F250. I use it not only for the truck, but also for a diesel tractor, RTV and generator. Yesterday I put in 83 gallons to replenish my fuel supply after a Thanksgiving trip. Now I'm ready for the threat of ice storms coming down the pike which may require the services of my Yanmar diesel generator.
I installed a 10-micron water-removing filter and a 2-micron sediment-removing filter on the tank, along with a 13 gallon-per-minute fuel pump and gauge. All the diesel I use for my equipment first goes through the two filters. I like this additional measure to help assure clean and dry diesel at all times.
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12-06-2013, 12:50 PM
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#14
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Rivet Master
1961 24' Tradewind
1969 29' Ambassador
1970 21' Globetrotter
Jamestown
, Tennessee
Join Date: Jul 2008
Posts: 1,783
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My 99 Dodge you could just switch tanks.
On my 2013 that is not practical but I already had the 50 gallon transfer flow tank which draws from the top of the tank and I did not want to add a fitting that would allow gravity flow.
I used a small fuel pump, about .5 gallons a minute, and one of those timers like used with bathroom fans to turn it on. More or less dial up 20 minutes and transfer 10 gallons of fuel. I also installed a shut off valve but there does not seem to be any tendency to siphon if its left open.
A little crude and still some what in the engineering stage.
When I removed the tank from the first truck I found little signs of rust or crud in the tank and the sock on the pick up tube was still clean after 14 years and over 500,000 miles.
I am not sure how long fuel needs to sit before it grows fungus but I have never had any problems and sometimes it takes several months to use a tank.
__________________
Rick Davis 1602 K8DOC
61 tradewind, plus a few others
13 Ram 2500 TD
99 Dodge TD 577K miles
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12-06-2013, 01:10 PM
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#15
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King of the Zebra Speedo
Obrien
, Florida
Join Date: Aug 2012
Posts: 1,439
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I'm not sure how long it takes either. We have fuel in these tanks for three to five years between refills. Most vehicles don't have a ten thousand gallon fuel tank on them, so the turnover is much quicker... I don't think there'd be an issue with a tow vehicle unless you were planning on letting it sit for two or three years.
-Red
__________________
Somebody ought to clean these windows. There is a tremendous buildup of gook all over them...
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12-06-2013, 02:49 PM
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#16
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4 Rivet Member
1975 31' Sovereign
Palomar Mountain
, California
Join Date: Feb 2013
Posts: 355
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Back to the orig.: I put in this set up on my 2500 dodge diesel - 90 gal. tank. I leave it on all the time and just fill the aux. tank. Works great - refreshes gas. Got back from 3500 mile trip last month with AS - got 1,700 miles on flat roads from the two tanks - 1,400 miles in the mountains. It let me pick out where and when I got gas - let me not go into city gas stations with 31' trailer - and used web site 'gas prices' to find the cheapest fuel.
Best thing I ever did! - wouldn't leave home without it!
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12-01-2014, 02:05 PM
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#17
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Firedog1
2018 30' Classic
Woodbridge Connecticut &
, Venice Florida
Join Date: Mar 2013
Posts: 243
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Anyone know of a Ford Dealer in Southeast that will install the Titan 50 gal fuel tank ? I have a 2015 F250 King Ranch 7.3 diesel with a 26 gal fuel tank, not good. I have called 3 or 4 Ford dealers and they won't do it. Also does anyone know if they are able to reprogram the computer to recognize the 50 gal tank? Need some advise if anyone has installed the Titan replacement fuel tank. I do not want to put a tank in the truck bed.
__________________
Russ and Lisa
2018 Classic 30
2020 GMC Sierra 3500HD Denali Diesel 4x4
Sold but not forgotten: 2005 Classic 25 Limited
2015 Classic 30 RB
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12-01-2014, 03:09 PM
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#18
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Rivet Master
2013 25' Flying Cloud
2008 30' Classic
On The Road To Wherever We End Up
, Traveling the USA
Join Date: Nov 2013
Posts: 552
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I had a guy north of Charlotte NC install mine last May. I ordered it through him and he got me the instructions to have Ford adjust the computer for MTE. All works great.
__________________
Jeanne and John, and always with us...Jake
2008 30' Classic Ltd Rear twin, 2014 Ford Super Duty
WBCCI 3100, unit 12, TAC USA-1, Escapees 129379
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12-01-2014, 03:21 PM
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#19
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Firedog1
2018 30' Classic
Woodbridge Connecticut &
, Venice Florida
Join Date: Mar 2013
Posts: 243
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John
I don't mind a stopover in NC, can you give me contact info for the garage. You can send me PM if you wish, Can you give me an Idea on what it cost you.
Russ
__________________
Russ and Lisa
2018 Classic 30
2020 GMC Sierra 3500HD Denali Diesel 4x4
Sold but not forgotten: 2005 Classic 25 Limited
2015 Classic 30 RB
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12-01-2014, 03:32 PM
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#20
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Rivet Master
2013 25' Flying Cloud
2008 30' Classic
On The Road To Wherever We End Up
, Traveling the USA
Join Date: Nov 2013
Posts: 552
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I don't have his contact with me right now, send me a pm with your contact info and I'll get it to you tomorrow
__________________
Jeanne and John, and always with us...Jake
2008 30' Classic Ltd Rear twin, 2014 Ford Super Duty
WBCCI 3100, unit 12, TAC USA-1, Escapees 129379
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