01-19-2020, 03:36 PM
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#1
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Anyone run a marine fuel tank on the roof rack when off-roading?
I’ve never found a solution I really liked for storing extra fuel when off-roading. Jerry cans on the rack are heavy and cumbersome. You have to strap them down and Unstrap to use them. You also basically have to store them on their sides which I’m always afraid of leaking. I don’t have a bumper either so the rack is really the only fuel storage option.
I picked up a nice 6 gallon marine tank on sale at a local store the other day. It’s really sturdy feeling, fairly flat/horizontal, got really nice grooves for strapping down, cap is on top, and generally seems pretty great. The plan is to leave it mounted on top of the rack, and use a shaker siphon to fill my tank.
Any input on this? Anyone done something like this? How did it work?
Tank like this: Scepter Rectangular Portable Fuel Tank : Cabela's
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01-19-2020, 03:59 PM
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#2
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Location: Richmond, Virginia
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I own a boat with an outboard and so do a number of my friends. The newer gas tanks swell like an sob in the sun due to the government regulations against venting gas fumes to the atmosphere.
"All manufacturers of Portable Outboard Marine Fuel Tanks must
certify compliancy with the EPA standard: (73 FR 59034, October 8, 2008) 40 CFR Part 1060. "
http://www.nmma.org/assets/cabinets/...12%20Final.pdf
But they say they're tested and safe, even when they look like a basketball.
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This 2016 TEP w/KDSS is a big step up from the 1986 Subaru GL wagon I used on the Outer Banks beaches for 14 years. That thing would go anywhere in the sand on 185/70-13 tires. Dual range 5 speed, factory skid plate, 3 position manually adjustable rear shocks and armored exhaust. All factory, including the white spoke wheels. The front sub frame finally rusted apart.
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01-19-2020, 09:17 PM
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#3
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Location: Missouri
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On my list of things to buy is a Ladder for fuel storage. Fuel on the roof gives me the heebie jeebies.
Either Baja
4Runner Baja Rack Ladder | 4x4 Ladder | Metal Tech 4x4
Or Gobi
GOBI Toyota 4Runner Rear Ladder
And mount a Rotopax
Heavy-Duty Rotopax Backing Plate with Mounting Hardware – Overland Equipped
or Jerry Cans
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01-19-2020, 09:25 PM
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#4
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If you must, vent it anytime you stop.
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Something, something, something.
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01-19-2020, 10:01 PM
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#5
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Quote:
Originally Posted by jayhat
I don’t have a bumper either so the rack is really the only fuel storage option.
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Between an Ultraswing like hitch carrier and a ladder you can probably carry 8 gallons in additional fuel. Not sure how much fuel you want to carry but it could be a potential solution at less than half the cost of a full rear bumper.
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01-19-2020, 11:36 PM
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#6
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Quote:
Originally Posted by Drobs
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I’ve got a gobi rack and ladder. I’ve got a rotopax mount and a 2 gallon can. It’s ok’ish but I’d rather have ~5 gallons. Also all the added weight makes keeping the hatch open a *****. Constantly trying to keep it held with 1 hand or my head. In fact I keep an adjustable tent pole in the back when I’m running a rotopax for that reason.
Last edited by jayhat; 01-19-2020 at 11:39 PM.
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01-19-2020, 11:42 PM
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#7
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Quote:
Originally Posted by PK930
If you must, vent it anytime you stop.
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Are you saying that for these specifically or just cans on the roof in general? My rotopax swells, my scepter swells, my wavian Jerry swells. They all do and the wavian violently equalizes pressure when you open it. A screw cap will at least give you the option to SLOWLY open it.
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01-19-2020, 11:43 PM
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#8
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Quote:
Originally Posted by bring_it_on
Between an Ultraswing like hitch carrier and a ladder you can probably carry 8 gallons in additional fuel. Not sure how much fuel you want to carry but it could be a potential solution at less than half the cost of a full rear bumper.
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Yeah thought about that. I do like those for the fuel, tire, and trash storage options.
I have a gobi ladder with a rotopax mount. It’s only 2 gallons though and I want at least 5. It also makes keeping the hatch open a pain.
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01-19-2020, 11:46 PM
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#9
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Quote:
Originally Posted by johnbt
I own a boat with an outboard and so do a number of my friends. The newer gas tanks swell like an sob in the sun due to the government regulations against venting gas fumes to the atmosphere.
"All manufacturers of Portable Outboard Marine Fuel Tanks must
certify compliancy with the EPA standard: (73 FR 59034, October 8, 2008) 40 CFR Part 1060. "
http://www.nmma.org/assets/cabinets/...12%20Final.pdf
But they say they're tested and safe, even when they look like a basketball.
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Thanks, yeah I have a couple higher quality plastic cans and they all swell up. I just crack the lid and vent them from time to time.
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01-19-2020, 11:47 PM
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#10
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Banned
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Join Date: May 2019
Location: Arizona
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My scepter mfc swells.
I plan on using a Wilco offset tire carrier with their jerry can mount.
I originally thought it was a good idea to go the ladder/rotopax mount....but i hate the idea of the hatch not staying open.
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01-19-2020, 11:53 PM
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#11
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Join Date: Apr 2019
Location: Albuquerque NM
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Quote:
Originally Posted by GripT4R
I originally thought it was a good idea to go the ladder/rotopax mount....but i hate the idea of the hatch not staying open.
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Have you tried these?
Amazon.com: Qty (2) Fits 4Runner 2010 To 2018 Liftgate Lift Supports Models with Added Ladder: Automotive
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2019 TRD Off Road| 285x70xR17 Falken WP AT3W| Dobinson C59-314/GS59-700 & C59-505/GS59-701| Total Chaos UCA| RCI front skid plate (steel)| C4 Fab. Low Pro. Bumper| Extreme LED Light Bar (bumper)| Baja Designs Squadron Sport Fog Lights (Amber)| Bud Built Ultimate Rock Sliders| Front Runner slimline II full-size Roof Rack with Wind Fairing| C4 Fab Summit Hatch Ladder| ARB CKMA12 Air Compressor| Xenon Depot HID Low Beam Head Lights|Renogy-20 Amp DC-DC Charger|Battle Born LiFePO4 Auxiliary Battery| Goose Gear rear drawer system (8")|National Luna 52L Legacy Fridge/Freezer| Alu-Cab tilting fridge slide (Small/Medium)| ROAM Adventure 8' Awning
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01-20-2020, 08:46 AM
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#12
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Join Date: Jun 2019
Location: Missouri
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Quote:
Originally Posted by jayhat
I’ve got a gobi rack and ladder. I’ve got a rotopax mount and a 2 gallon can. It’s ok’ish but I’d rather have ~5 gallons. Also all the added weight makes keeping the hatch open a *****. Constantly trying to keep it held with 1 hand or my head. In fact I keep an adjustable tent pole in the back when I’m running a rotopax for that reason.
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I'd take rotopax off the hatch if I wanted to open it.
How about mounting a 2nd 2 gallon (or 3 gallon) Rotopax to the ladder.
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2019 OR - LT285/70R17 Yokohama Geolandar MT, SPC UCA's, BMC, Eibach Pro Truck Lift, Warn VR10 Winch, Warn 100022 Winch Bumper, TRD Skid Plate, Cali Raised Light Bar, Shrockworks Sliders and Skids, LFD Ruggadized Cross Bars, Sprint Booster.
Last edited by Drobs; 01-21-2020 at 01:24 PM.
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01-20-2020, 12:27 PM
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#13
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Join Date: Mar 2017
Location: Canada
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The idea of being in a wreck and having a fuel bomb strapped to the roof is not appealing..all that liquid fire coming in sun roof.
Also it screws up center of gravity. Why not buy an actual fuel cell and mount it in the cargo area. Safe, reliable and low COG.
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01-20-2020, 03:17 PM
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#14
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Banned
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Quote:
Originally Posted by Grug556
The idea of being in a wreck and having a fuel bomb strapped to the roof is not appealing..all that liquid fire coming in sun roof.
Also it screws up center of gravity. Why not buy an actual fuel cell and mount it in the cargo area. Safe, reliable and low COG.
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Because we all know gasoline just ignites when shaken violently....
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01-21-2020, 01:16 AM
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#15
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Join Date: Mar 2010
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Quote:
Originally Posted by Grug556
The idea of being in a wreck and having a fuel bomb strapped to the roof is not appealing..all that liquid fire coming in sun roof.
Also it screws up center of gravity. Why not buy an actual fuel cell and mount it in the cargo area. Safe, reliable and low COG.
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People have been running fuel cans on their roof racks and rear bumpers for decades. I agree that it the perfect storm it could be dangerous but there is some degree of risk to everything.
Where would I mount a fuel cell and how much are those? Seems like there have been tons of people asking about second fuel tanks and I feel like it was as easy/safe as you’re saying, some folks would have done it by now.
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