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siphoning easy

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Old Aug 10, 2010 | 01:29 PM
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siphoning easy

I have almost a full tank of very old gas in my 99 F350 super crew 5.4 and I am wondering if anyone knows the best way to siphon the gas out without getting a mouthfull of it?
 
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Old Aug 10, 2010 | 01:42 PM
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a cheap electric pump from autozone ..or wherever

Sam
 
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Old Aug 10, 2010 | 01:57 PM
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Disconnect fuel line, turn truck on? Not sure if that would work, seems like it would though.
 
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Old Aug 10, 2010 | 02:10 PM
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duh.. use the built in pump..

Sam
 
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Old Aug 11, 2010 | 10:33 AM
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Just don't run it dry if you're going to use the in-tank pump.

In your other thread, you mention a few problems with the way it runs. Check back there.
 
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Old Aug 11, 2010 | 11:32 AM
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It will take all day to use the fuel pump. Do you have an air compressor? Stick your siphon hose all the way in the tank and run it to a can on the ground, seal the inlet to the tank with a rag stuffed around the siphon hose and air nozzle and blow...will only take a second or 2 to get the fuel flowing up the siphon hose then you can cut off the air.
 
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Old Aug 11, 2010 | 11:55 AM
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Originally Posted by rotun
It will take all day to use the fuel pump. Do you have an air compressor? Stick your siphon hose all the way in the tank and run it to a can on the ground, seal the inlet to the tank with a rag stuffed around the siphon hose and air nozzle and blow...will only take a second or 2 to get the fuel flowing up the siphon hose then you can cut off the air.
Good idea. I would just suck on it. Not that big a deal. Done it more times than I can remember.

More importantly, figure out what you are going to do with 30 plus gallons of bad gas!
 
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Old Aug 11, 2010 | 01:07 PM
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Originally Posted by rotun
It will take all day to use the fuel pump.
A good stock electric fuel pump will pump at least 30 gallons per hour, if not more, like MUCH more. A quicky search at autozone shows a replacement pump for my V10 (probably the same as the 5.4L) as pushing 60 to 70 gallons per hour.
 
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Old Aug 11, 2010 | 01:12 PM
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Originally Posted by Krewat
A good stock electric fuel pump will pump at least 30 gallons per hour, if not more, like MUCH more. A quicky search at autozone shows a replacement pump for my V10 (probably the same as the 5.4L) as pushing 60 to 70 gallons per hour.
One nice thing about that is you could pump uphill into a drum. Downside is finding a suitable place to disconnect a fuel line and clamp on a hose.

I don't really believe it will do 60/gals/hour through a 1/4" fuel line, just as an aside. Rated flow is one thing.
 
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Old Aug 11, 2010 | 01:27 PM
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based on this chart, 1/4in tubing, (1/2 the smallest here) would be around 3 gallons per minute and 180-200 gallons per hour..
http://flexpvc.com/WaterFlowBasedOnPipeSize.shtml

easy to empty a 35 gal tank.. 10 mins..
sam
 
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Old Aug 11, 2010 | 01:36 PM
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I usually remove the Schrader valve from the fuel rail (bicycle/tire valve remover), and use a piece of 5/16" fuel line with a hose clamp. Then, pull the connector off the inertia switch, look at a wiring diagram to see which color wire it is, and energize the fuel pump with a FUSE (same amperage as the fuel pump fuse in the panel) on a piece of wire to the + side of the battery.
 
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Old Aug 11, 2010 | 01:38 PM
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ah, another cool approach!!..

sam
 
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Old Aug 11, 2010 | 02:57 PM
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Man these are all great ideas, Great thread.
 
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Old Aug 11, 2010 | 03:00 PM
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Originally Posted by sdetweil
based on this chart,
What chart?
 
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Old Aug 11, 2010 | 03:18 PM
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Originally Posted by bpounds
What chart?
doah.. if you don't paste it in.. harder to read!!.. see the prior post, now edited..

Sam
 
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