Hybrid Car – More Fun with Less Gas

Siphoning gas from your rolling gas tank

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Posted by mapsource on December 28, 2004, 1:50 pm
Had snow here in New England yesterday. I always fill the tank of my
Ford SportTrac and think of it as a mobile gas tank for filling the
snow blower and generator.

I made a hand pump this summer to get gas from the tank when needed.

Tried it today and could not get gas from the tank.

Is there some type of anti-siphon mechanism in the filler neck that
prevents a tube from entering the liquid? I noticed my rather large
hose (fits in the standard opening for a filler nozzle) did not get

I also thought this would be a good thing to carry to bail out people
who run out of gas on the road.

Any thoughts? The only thing I can think of is that the temp was about
20 degrees (f) and the Tygon tube may have been too stiff to fully
follow the neck of the tank.

Posted by 'Captain' Kirk DeHaan on December 28, 2004, 3:05 pm
mapsource@yahoo.com wrote:

Why not put a T and valve off of the fuel pump so you can use it to pump
the fuel.  Wouldn't take long to get enough for the small tanks on the
blower and genny.  Obvious safety issues here but they can be worked around.



"Moe, Larry, the cheese!", Curly

Posted by John Harlow on December 29, 2004, 4:36 am

Gas tanks usually have rollover valves which stop the tank from dumping fuel
in the event of a rollover.  They operate (and look) just like the tipover
ball valves in shop vacs.  You will have great difficulty getting a tube
past it.

Posted by harry k on December 30, 2004, 5:30 pm
 IIRC back when ?70s?) they installed screens to prevent siphoning.
Harry K

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