Fuel line question

This area is for those who need help modernizing their Lincoln for purposes other than strict restoration. Such questions can be about adding an electric fuel pump, adding fuel injection, boosting horsepower or gas mileage, or tightening or lowering the suspension. Body customizing and chopping can also be here (although this practice is not encouraged by the LCOC).

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Fuel line question

Postby jame04 » Mon Nov 30, 2020 9:09 pm

I am upgrading to Fitech EFI. It is basically a stock 460 (rebuilt) with edlebrock intake and MSD distributor. I installed a devious custom tank with built in fuel pump. In speaking with them, they said no need for return line as their pump has a built in regulator. My question is, can I use the stock fuel line? It is in good shape but looks to be 5/16 size. Is that too small? Has anyone installed 3/8 line in the stock location? I think I can remove the return vent line. Thanks
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Re: Fuel line question

Postby Dan Szwarc » Tue Dec 01, 2020 6:25 am

68 continental uses 3/8 line.
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Re: Fuel line question

Postby JimA » Tue Dec 01, 2020 9:10 am

When you say you're reusing the original lines, I hope you will replace any rubber lines with FI rubber lines to handle the increased pressure. Also, if you have any plastic in-line filters you should verify they can handle the higher pressure or eliminate them. And, use FI-rated hose clamps.
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Re: Fuel line question

Postby jame04 » Tue Dec 01, 2020 1:06 pm

Yes it is 3/8

Yes I am replacing all rubber hose with EFI. The pump has a filter and then I am running an in-line 40 micron filter. Think that should be sufficient.

JimA wrote:When you say you're reusing the original lines, I hope you will replace any rubber lines with FI rubber lines to handle the increased pressure. Also, if you have any plastic in-line filters you should verify they can handle the higher pressure or eliminate them. And, use FI-rated hose clamps.
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Re: Fuel line question

Postby bd94s10 » Sun Jun 06, 2021 2:58 pm

If you decide to replace the older hardline you can bend up a new one pretty easy. I'm not an expert and I was be to make an entire new run in a short amount to time. I recommend having the old line removed to be able to use it as a guide. See my build thread page 2. Speedway Motors is the best place to buy the aluminum line (price wise). Jeff is a great guy at Devious.

https://www.thelincolnforum.net/phpbb3/ ... 0&start=15
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