 Best way to cap the return fuel line at the fuel tank? |
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| Tdskip |
 Apr 22 2024, 08:23 AM
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Advanced Member  Group: Members Posts: 3,686 Joined: 1-December 17 From: soCal Member No.: 21,666 Region Association: None 
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Good morning – I hope everybody had a good weekend and got some driving in.
I was hoping to get some coaching and best practices on the best way to The return line on the fuel tank itself as part of a carb conversion. I have a low pressure rotary pump that I’ve used successfully elsewhere and while I know there is some debate on this when I went and checked one of my other cars has this exact set up and has been trouble free as far as fueling goes for the past several years. Ideally, perhaps, there would be an aluminum that screws right on, but I haven’t found that yet, and I am keen to hear how others have addressed this. Thanks! |
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| rhodyguy |
Apr 22 2024, 08:30 AM
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Chimp Sanctuary NW. Check it out. Group: Members Posts: 22,071 Joined: 2-March 03 From: Orion's Bell. The BELL! Member No.: 378 Region Association: Galt's Gulch |
A new piece of hose (rated for modern fuels), a appropriate sized shouldered bolt, and a couple of shouldered clamps. Stock Phenolic spacers under the intakes help with the heat soak and hot fuel. Service the in tank filter/sock while you’re in there.
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| brant |
Apr 22 2024, 08:49 AM
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#3
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914 Wizard Group: Members Posts: 11,618 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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Best way is with a working return line
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| Superhawk996 |
Apr 22 2024, 09:01 AM
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#4
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914 Guru Group: Members Posts: 5,771 Joined: 25-August 18 From: Woods of N. Idaho Member No.: 22,428 Region Association: Galt's Gulch
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QUOTE(brant @ Apr 22 2024, 10:49 AM)  Best way is with a working return line (IMG:style_emoticons/default/lol-2.gif) Love it! |
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| SirAndy |
Apr 22 2024, 09:05 AM
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#5
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Resident German Group: Admin Posts: 41,612 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(brant @ Apr 22 2024, 07:49 AM) Best way is with a working return line (IMG:style_emoticons/default/agree.gif) The return line is still beneficial on a carb conversion car. No need to cap it off. (IMG:style_emoticons/default/popcorn[1].gif) |
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| 73-914 |
Apr 22 2024, 09:12 AM
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Senior Member Group: Members Posts: 573 Joined: 24-April 10 From: Albany UpstateNY Member No.: 11,651 Region Association: None
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QUOTE(SirAndy @ Apr 22 2024, 11:05 AM) QUOTE(brant @ Apr 22 2024, 07:49 AM) Best way is with a working return line (IMG:style_emoticons/default/agree.gif) The return line is still beneficial on a carb conversion car. No need to cap it off. (IMG:style_emoticons/default/popcorn[1].gif) (IMG:style_emoticons/default/agree.gif) (IMG:style_emoticons/default/lol-2.gif) (IMG:style_emoticons/default/stirthepot.gif) |
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| Tdskip |
Apr 22 2024, 10:07 AM
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#7
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Advanced Member Group: Members Posts: 3,686 Joined: 1-December 17 From: soCal Member No.: 21,666 Region Association: None
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| ChrisFoley |
Apr 22 2024, 10:08 AM
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#8
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I am Tangerine Racing Group: Members Posts: 7,920 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None
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My carb fuel line kits include a special cap for the return fitting.
It consists of a 1/2" long piece of 5/16"od plated steel rod, a 1 1/2" long piece of fuel hose, and hose clamps. |
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| Superhawk996 |
Apr 22 2024, 10:13 AM
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#9
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914 Guru Group: Members Posts: 5,771 Joined: 25-August 18 From: Woods of N. Idaho Member No.: 22,428 Region Association: Galt's Gulch
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In full transparency - on my 1st teener, I ran a Facet pump and a capped return line. It works.
37 years later, knowing what I know now and having learned lessons via school of hard knocks, I wouldn’t do it again. Hopefully no offense taken, I was just having fun with the funny post. |
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