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Mark W.
Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7984 |
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Posted: 22 Sep. 2022 at 10:09pm |
Can anyone see why a fuel tank 2" Deep x 35" wide x 36" long wouldn't work laying on the rear floor? It would be more then 10.5 gallons so would double my range And take up minimal cargo space done that way. With my electric fuel pump already mounted on the back of the Riser it would be simple to plumb A simple valve could be used to keep the fuel from the higher tank passing in to the main tank. Granted it would mess with a rear seat but could easily be made to handle any cargo that might be stored in the back. And as my rear floor is perfectly flat save the rivet heads I could easily put down some rubber strips to support it. |
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Chug A Lug
1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962 |
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Ron D
Member Joined: 27 Oct. 2019 Location: South Carolina Status: Online Points: 1440 |
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Hi Mark, It's own vented filler cap where you can get to it? How much expansion room does it need for heat build-up? How do you tell when it's empty or full or half-full? Some way to drain it when need be? Need a filter for accumulated crud? Cargo on top includes folks stepping on it? I can tell from your posts you want extra range badly. A trailer with extra gas cans (along with all the other stuff) necessary for extra long-range excursions? Just my 2 cents. Good luck!
Edited by Ron D - 22 Sep. 2022 at 10:46pm |
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1951 M38
1951 M100 |
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Mark W.
Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7984 |
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Its own vented cap yes that would be easy as to expansion room I doubt that would be an issue especially if I were to just put a long neck on the filler tube. As to knowing the level. Who cares burn it off first and then your on the main tank. And it could be checked with a stick like half you guys do anyway. If I hooked it into my Electric fuel pump setup at the back of the main tank A drain would be easy to Tee in same as a filter I could just add another Summit 40 micron mesh prefilter to the line leading to the pump. CHUG will have an Aluminum hard top by spring. And no way could anyone stand up on the floor once thats in place. No one has stood up in the back since I was working on the roll bar anyway. But all good discussion points. Yes I will have a 16 gallon Mustang fuel tank in the bottom of my little off road trailer. I have a brand new one sitting in the shop just waiting. I'll also be able to carry 2-3 5 gallon cans
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Chug A Lug
1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962 |
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Stev
Member Sponsor Member Joined: 27 July 2016 Location: Cincinnati Status: Offline Points: 2391 |
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Consider relocating the muffler to a passengers side (MB style) set up - you might be able to put a gas tank under the floor where the stock muffler goes. It would take some doing but that would keep the rear cargo area open.
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Stev
1946 CJ2A Trail Jeep (The Saint), 1948 CJ2A Lefty Restored |
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Mark W.
Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7984 |
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Yeah my receiver hitch kind of messes up that area
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Chug A Lug
1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962 |
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Ron D
Member Joined: 27 Oct. 2019 Location: South Carolina Status: Online Points: 1440 |
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How about something like the "Tokyo Tanks" that the B17 Flying Fortress used back in the day? Make a rack to secure and connect them to the fuel system only when you need them. Take them out when you don't. A pair of these economical 6-gallon Marine grade tanks have built-in fuel line connections, vented caps, and even a fuel level gauge: |
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1951 M38
1951 M100 |
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Mark W.
Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7984 |
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True but due to their shape would take up most of the cargo area of the jeep
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Chug A Lug
1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962 |
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Mark W.
Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7984 |
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A pair of Rotopax 4 gallon tanks would only be 3" high if laying on the floor. But to be honest I don't trust the plastic. And I am sure they would not due well with cargo on top of them so I would have to add a layer of something to support the cargo. While an Aluminum tank with a few baffles and 1/8" construction would hold a lot of cargo weight. I could space the baffles in such a way that there was a top to bottom support every say 9" and that would only be 4 baffles
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Chug A Lug
1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962 |
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dldecker
Member Joined: 15 Nov. 2019 Location: Jacksonville, F Status: Offline Points: 5 |
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how about some thing like this
Flexible Fuel Tankshttps://www.defender.com/product3.jsp?name=nauta-heavy-duty-holding-diesel-fuel-tank-14.5-gallon&path=-1|311|2349059|2349066&id=152585 |
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banjobees
Member Joined: 15 Jan. 2008 Location: Seattle, WA Status: Offline Points: 158 |
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Website says that the Nauta Diesel tank shouldn’t be used with gasoline.
But they make several types for gasoline: https://www.ahoycaptain.com/nauta_ob_tank.html
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Dave R.
'46 CJ2A |
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Steelyard Blues
Member Joined: 09 Oct. 2017 Location: Reno, NV Status: Online Points: 1500 |
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I have to ask: How much fuel do you need?
Right now, you have a max capacity of 41 gallons. In your build, you said that you got 17 MPG giving you a range of 700 miles. With the main tank and the three Jerry Cans, you are at 425 miles. Certainly, off road would decrease mileage, but that would still be a fair distance out. I know you have an Alaska trip in mind. Just curious. Micah
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1947 CJ2A 106327, Engine J109205, Tub 97077. Luzon Red
https://www.thecj2apage.com/forums/steelyard-blues_topic41024_post397981.html?KW=micah+movie#397981 1965 Johnson Furnace Company M416 #6-1577 |
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Mark W.
Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7984 |
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You have a point Micah. The cargo bed tank idea was mostly to allow longer runs between fueling stops as it could be plumbed right to the fuel pump. I know for most people the idea of driving a jeep like ours for almost 7.5 hours would be out of question. But I currently drive a dump truck and trailer on average 9-10 hrs every day of the week yesterday was 10.5 today was 10 plus an hour commuting each day. And like a lot of things I like to discuss options before taking action.
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Chug A Lug
1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962 |
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Steelyard Blues
Member Joined: 09 Oct. 2017 Location: Reno, NV Status: Online Points: 1500 |
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More plumbing means the possibility for more leaks. Something no one wants especially in the middle of nowhere. An additional hard mounted tank will limit your cargo options and increase the potential for fumes in the cab. Plus, you are cutting holes in the body.
What is the potential for adding some more Jerry Cans? Much simpler and more flexible. Is there a possibility of a roof mounted can holder? Two on their side would not stick up too much and would distribute their weight on your aluminum top. If done in line, you probably would not even see them. Micah
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1947 CJ2A 106327, Engine J109205, Tub 97077. Luzon Red
https://www.thecj2apage.com/forums/steelyard-blues_topic41024_post397981.html?KW=micah+movie#397981 1965 Johnson Furnace Company M416 #6-1577 |
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Mark W.
Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7984 |
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I'm not sticking anything out in the wind. And laying a jeep can of any kind on its side has got to be more prone to leaking then a welded fuel tank with only a AN -6 outlet and a vertical fill tube. The idea of a 2" high tank was to mitigate the cargo space lost. As to holes in the Tub as the whole floor in my build is of my own construction I don't see that as a problem. The fuel supply line could be attached to the tank in such a way that the line joining it to my current fuel line set up might be as short as 6" I would add a Tee to the cap cap that is my current drain point run a line from there to another Summit 40 micron filter and then to another Fuel shut off valve This one most likely an electrical solenoid so I could control when the Bed tank was in play. As all my fuel lines are AN fittings and Braided AN line leaks are very rare. I am building a can holder that will hold two of the NATO cans And then my trailer will have mounting points for at least two cans.
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Chug A Lug
1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962 |
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cpt logger
Member Joined: 23 Sep. 2012 Location: Western Colorad Status: Offline Points: 3040 |
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I like your idea. Like you said, it does not cut into the cargo space much & with an electric cut off switch it would not be much of a hassle. I had a Diesel VW Rabbit that the PO had installed a tank in the trunk. It must have been welded in the trunk as I could not remove it without cutting either it, or the Rabbit. While it cut the cargo capacity in half, it made long trips much easier. I could, & did, drive from Grand Junction Colorado to Astoria Oregon with out putting any fuel in the tanks. It was handy. The extra tank just had a "T" fitting in the line so the fuel from the extra tank could not be shut off. It was vented outside the cabin area so unless I spilled fuel filling it, there was no diesel smell.
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