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Old 31 January 2013, 11:38   #11
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Originally Posted by Locozodiac View Post
Which engine is it ? Have a open 420 rib, for long cruising activities have installed two 6 gal tanks, one located at bow, other at middle deck, each with it' own priming bulb connected to two independent fuel connectors located at front engine. There's a internal plastic Y that connects both rear connectors to fuel pump entrance.

For selecting tank, open any tank air vent and close the opposite, when engine starts to miss due to low fuel level, open second tank vent and close first. Will need to prime tank 1 till bulb is firm, prime tank 2 till you see fuel exiting FM connector (must keep valve open with finger, pen, point whatever when primming) then connect to second male connector so to have a filled fuel line for the engine to demand fuel inmediately from second tank.

This is a dual tank Tohatsu 18 horse, can use single or dual tanks depending on your outing. Being a open rib can't use a fuel selector.

Happy Boating
That makes sense...just use the Y-connector and close the air vents when not needed? Or alternatively leave both open the whole time, what would be the issue with that...?
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Old 31 January 2013, 11:51   #12
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That makes sense...just use the Y-connector and close the air vents when not needed? Or alternatively leave both open the whole time, what would be the issue with that...?
That sounds perfect, I can easily get to the vents.

So I will just need a new tube, Tank connector & Y connector.

Am right in presuming if I close the vent of one tank and open the other the fuel will only be taken from the open?

And is it possible just to leave both tank vents open? Will the engine just take fuel from both then until empty? That would be ideal!
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Old 31 January 2013, 11:54   #13
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And is it possible just to leave both tank vents open? Will the engine just take fuel from both then until empty? That would be ideal!
If both tanks have fuel it'd work, but once one runs out you'll be sucking air, maybe running lean and pop the motor.

Don't be cheap, do it properly!
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Old 31 January 2013, 11:59   #14
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If both tanks have fuel it'd work, but once one runs out you'll be sucking air, maybe running lean and pop the motor.

Don't be cheap, do it properly!
Good Point!

I just need to find one of these damn 3 way valves!

Help anyone?!
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Old 31 January 2013, 12:06   #15
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Good Point!

I just need to find one of these damn 3 way valves!

Help anyone?!
Try this
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Old 31 January 2013, 12:45   #16
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FUEL VALVES 2 / 3 PORT MANUAL & ELECTRICAL
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Old 31 January 2013, 15:08   #17
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Cheers for the links.

Is 1/4" diameter large enough?
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Old 31 January 2013, 17:11   #18
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Cheers,

Do you know where I could get one of these 8mm Valves?
You can get 8mm taps suitable for fuel from toolstation cheap.they have a base with two holes in them so you could fix them something on the inside of your bench.only problem is they are conpression fitting so you would have to put a stub of pipe in the comression fitting and slide you fuel tube over it with a clip.maybe you could make whole spliter bit in copper?
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