What is the best way to run fuel lines from a sump. - Hot Rod Forum : Hotrodders Bulletin Board
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Old 10-03-2005, 08:46 PM
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What is the best way to run fuel lines from a sump.

I have a question for any one that has installed a sump kit to a stock gas tank (perferably a nova, cause thats what I got ) but anything will work.

The probablem I'm noticing on my car, is the frame rails where I want to mount the electric pump and filter are much higher than the outlet of the sump.

Will this be a problem cause the pump is not gravity feed and the inlet to the filter or pump will go dry every time I shut off the car?

OR

Can I just run the fuel line up higher than the tank on the frame rail and then when it drops down below the level of the sump, can the pump and filter be mounted? If this is the case, then can the filter be mounted higher up on the frame rail above the level of fuel in the tank and then be routed down to the pump?

Also, If you have any pictures or know of any website that shows pictures of gas tank sumps installed and plumbed, please let me know, I want the car to run right and not have to worry about the pump running dry for a few moments while it draws the fuel to it.

Thanks for any information

Dan

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Old 10-03-2005, 10:10 PM
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I have only run basically stock type systems, but the last time I had an electric fuel pump on my Omega I located it on the frame rail foward of the rear end. It totally eliminated a vapor lock problem that I had every summer in AZ. I don't know if there is much of a difference in mounting the pump right out of the tank (higher) or putting it lower, as I did. Maybe these links will help some. http://www.motorcities.com/photo/vie...03821C.jpeg/0/
http://www.geocities.com/a55chevyowner/Engine.html
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Old 10-03-2005, 11:08 PM
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The fuel filter, pump, and lines must be mounted below the tank for garavity feed. I attached my filter and pump together with a nipple then I attached them to a piece of alum angle. They were then mounted to the trunk floor.
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