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Wiil it work?

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Old Jan 4, 2006 | 09:09 AM
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Wiil it work?

I'd like to get some folks to weigh in on this question.

Can I eliminate the need for a low pressure pump if I replace the gas tank such that the new tank is above the high pressure pump on the frame rail and the feed line is coming out the bottom of the gas tank (gravity feed)?

I know that there may be safety issues to consider with a system like this, but I'm looking to find out if a system like this could work.
 
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Old Jan 4, 2006 | 10:53 AM
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Originally Posted by netminder
I'd like to get some folks to weigh in on this question.

Can I eliminate the need for a low pressure pump if I replace the gas tank such that the new tank is above the high pressure pump on the frame rail and the feed line is coming out the bottom of the gas tank (gravity feed)?

I know that there may be safety issues to consider with a system like this, but I'm looking to find out if a system like this could work.
I didn't see a description of your vehicle so I am assuming you have fuel injection (EFI). No matter what you do with the gas tank(s) your EFI system needs to have a minimum amount of pressure to operate correctly, whithout this your engine will starve for fuel.

With EFI you have fuel rails that have an in and out end, what fuel isn't used is returned to the gas tank and recycled. Taking this into account, I would just go with a high pressure pump to make sure you have enough, you won't be wasting any gas and the extra expense for a high pressure pump is negligible.

Joe
 
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Old Jan 4, 2006 | 11:40 AM
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To answer your question, yes, it would work, but I can't figure out why you'd want to go to all that trouble. Also, you need to have a fuel return line in any case.
 
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