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Dubro tank install

Old 06-09-2008, 08:18 PM
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monsterbrad
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Default Dubro tank install

I have a dubro tank in a Enforcer Revenge boat and I added the third line to fill the tank.
Anybody have any ideas for a one way valve so that air can get into the tank for venting and if the boat flips it won't spill fuel all inside the boat???
Old 06-09-2008, 08:36 PM
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Dreamin Hemi
 
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Default RE: Dubro tank install


ORIGINAL: monsterbrad

I have a dubro tank in a Enforcer Revenge boat and I added the third line to fill the tank.
Anybody have any ideas for a one way valve so that air can get into the tank for venting and if the boat flips it won't spill fuel all inside the boat???
Maybe this? All my tanks have screw caps and I just pour the gas into them. Just plug the 3'rd line into the exit of this valve.
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Old 06-09-2008, 08:48 PM
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monsterbrad
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Default RE: Dubro tank install

which side of the valve is the vent side?
The boat has one of these in it but I am not sure which side to plug it into????
Old 06-09-2008, 08:52 PM
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Dreamin Hemi
 
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Default RE: Dubro tank install

Well, there really ISN'T a vent side. This type valve is designed to go inline with your carb line. Basically........
FUEL TANK-VALVE-CARB
The end of the valve that sticks straight out goes to the carb. The angled end goes to the fuel pick up clunk in the bottom of your tank. Hope that helps.
Old 06-10-2008, 04:44 AM
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fuelman8
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Default RE: Dubro tank install

Your Dubro tank has a seperate vent line. There is no way that I know of to keep from leaking fuel when the boat is upside down. It's an open system and you can't have any restriction in the vent for it to operate properly.

If you're concerned with fuel leakage you may want to try a gas bag setup as it has no vent.
Old 06-10-2008, 04:51 AM
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martno1fan
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Default RE: Dubro tank install

I just coil up the vent line and zip tie it this works well,stops fuel spilling out yet vents the tank fine.Heres a pic the small clear line with the red zip tie is my vent line,yes its a gas line just ran out of tygon the other two lines arent connected to the carb in this pic but you can see the vent line ok.I also use the vent line to fill the tank using a fuel pump.
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Old 06-10-2008, 07:50 AM
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dannyual777
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Default RE: Dubro tank install


ORIGINAL: martno1fan

I just coil up the vent line and zip tie it this works well,stops fuel spilling out yet vents the tank fine.Heres a pic the small clear line with the red zip tie is my vent line,yes its a gas line just ran out of tygon the other two lines arent connected to the carb in this pic but you can see the vent line ok.I also use the vent line to fill the tank using a fuel pump.
I do the same thing as Mart does in my AM Avenger with a hard tank. I've got a gas bag in my scratch-built wood mono. I like it a lot better and won't be going back to hard tanks with vent lines .
Old 06-10-2008, 03:05 PM
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monsterbrad
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Default RE: Dubro tank install

Ok that is what I figured
I will try a coil of tubing and a zip tie!
Where can I get this gas bag if I decide to not have the hard tank?
Old 06-11-2008, 06:11 AM
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Thefarside
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Default RE: Dubro tank install

You need one of these, its a check valve that lets air in and won't lit fuel out. Very light and small, you just have to pull it off when filling your tank, they use them on weed wackers so nomatter right side up or upside down no gas leaks out
Item # 610-079 - Vent Assembly
Old 06-11-2008, 11:35 AM
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Krille
 
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Default RE: Dubro tank install

If you flip the boat and the tank is under water the water pressuar gone press water into the tank.
And if you flip with the tank above water the vacume inside the tank will do that only a small amount of fuel run out un the hull before its stop.
Old 06-11-2008, 11:37 AM
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Thefarside
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Default RE: Dubro tank install

Here is a picture of it and you can find it at most lawn mower shops or online.
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Old 06-11-2008, 09:26 PM
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monsterbrad
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Default RE: Dubro tank install

thanks the far side that is exactly what I was looking for
Thanks
a TON

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