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Old 07-14-2009, 05:13 PM   #1
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Join Date: Sep 2000
Location: FL
Posts: 1,049
Default Maximum flow rate of gasoline through a 5/16" tube

I've wondering this question for a while now and no one on the other auto forums really knows the answer. Hopefully one of you engineers/students could answer it.

As one goes for higher horsepower, say 600whp+, they usually upgrade the fuel pump, hard fuel lines,injectors and fuel rail.
My question is solely about the hard fuel lines. My fuel lines are 5/16" and I have a fuel pump that will flow 200lph@ 72psi (and 6x 760cc/min injectors).
Ignoring the various couplings and the fuel filter how much can the 5/16th fuel line and gasoline with a density of 0.67 flow in volume/min?
Cyrix pr200/ 32MB ram/ STB velocity 3D/ 3GB HD/ W95 osr 2
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Old 07-14-2009, 06:46 PM   #2
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Default Maximum flow rate of gasoline through a 5/16" tube

Inside many liberals is a totalitarian screaming to get out. They donít like to have another point of view in the room that they donít quash and the way they try to quash it is by character assassination and name calling. - David Horowitz
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Old 07-14-2009, 07:11 PM   #3
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Default Maximum flow rate of gasoline through a 5/16" tube

see...i encounter this type of problem everyday at work....you know what I do as an Electrical Engineer? I ask the Process Engineer.
Well, now I am going to be flamed out of existance.

There's your sugar...and there's your culture.

"Getting enough idiots together to demonstrate consensus on a ludicrous idea in order to help justify it is for Congress not real life... "-MWilding

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Old 07-14-2009, 07:32 PM   #4
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Default Maximum flow rate of gasoline through a 5/16" tube

Why don't you set up a test and and measure it yourself? You will be more satisfied with the results than you would be with an analytical calculation. EE here.
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Old 07-14-2009, 08:34 PM   #5
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Default Maximum flow rate of gasoline through a 5/16" tube

I would go for the test idea...
I am thinking a fuel tank and pump on one side and a pilot flame on the output side
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