Gas line ????? |
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sourkraut
Member Joined: 26 Nov. 2017 Location: Moweaqua, Il Status: Offline Points: 23 |
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Posted: 05 July 2018 at 3:02pm |
What is the proper inside diameter of the fuel line? Also, can a rubber fuel line, or combination of metal & rubber, be used from tank to pump, instead of metal? Thanks....John/Sourkraut
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Rus Curtis
Member Joined: 25 Mar. 2010 Location: Alabama Status: Offline Points: 1733 |
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Modern vehicles have been using metal/rubber/plastic combinations for a while. I believe 1/4" tubes were standard for fuel.
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Rus Curtis
Alabama 1954 CJ3B Bantam T3-C |
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Steelyard Blues
Member Joined: 09 Oct. 2017 Location: Reno, NV Status: Offline Points: 1482 |
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John,
If you are looking to replace it, I recently installed the Omix fuel line kit. The fit was pretty decent and it came with clips as well as the short rubber hose to the fuel pump. The fit would have been even better if Summit didn't put a bend in it to ship it easier. Micah
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1947 CJ2A 106327, Engine J109205, Tub 97077. Luzon Red
https://www.thecj2apage.com/forums/steelyard-blues_topic41024_post397981.html?KW=micah+movie#397981 1965 Johnson Furnace Company M416 #6-1577 |
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wadoyado
Member Sponsor Member Joined: 29 Sep. 2016 Location: Mi. Status: Offline Points: 728 |
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For the long one piece from the gas tank(just replaced mine) I used 5',1/4 Ni,Cu brake line from Napa. About 15$ has the same flare fittings, and easy to bend Joe W
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"It's unbelievable how much you don't know about the jeep you've been driving all your life" (Mickey Mantle paraphrase)
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47 deuce alpha
Member Joined: 07 Aug. 2017 Location: Midland Texas Status: Offline Points: 655 |
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When I got my jeep awhile back it had all metal lines but a couple of the fittings were seeping fuel. There was no fuel filter installed. I added an in-line fuel filter just before the carb and replaced the metal fuel line. I could never get the reverse flare fittings to stop seeping (probably pulling in air when the jeep was running). I swapped over to rubber hose just before the fuel pump and between the fuel pump and carb. No more seeps. If you go with hose be sure it is rated for fuel and ethanol use (Gates Barricade is one type). I would also suggest installing a fuel filter just before the fuel pump and another just before the carb. This will catch any fragments that might flake off of the hoses.
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1947 CJ2A 90419
1947 CJ2A 127735 1949 Ford 8N 1955 Kaiser Willys Pickup Half the distance takes you twice as long. |
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wadoyado
Member Sponsor Member Joined: 29 Sep. 2016 Location: Mi. Status: Offline Points: 728 |
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"It's unbelievable how much you don't know about the jeep you've been driving all your life" (Mickey Mantle paraphrase)
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47 deuce alpha
Member Joined: 07 Aug. 2017 Location: Midland Texas Status: Offline Points: 655 |
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Excuse me, I believe inverted flare is the proper term.
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1947 CJ2A 90419
1947 CJ2A 127735 1949 Ford 8N 1955 Kaiser Willys Pickup Half the distance takes you twice as long. |
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sourkraut
Member Joined: 26 Nov. 2017 Location: Moweaqua, Il Status: Offline Points: 23 |
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Thanks for all the replies. However, no one actually said what the INSIDE diameter was. I put a 1/4" brake line on it last fall, but the inside diameter looked awfully small. I also put a fuel shutoff and an inline filter, cleanable, just after tank. I installed a regular filter just before carb. Overkill, don't think so. I've had too many roadside filter changes/cleaning over the years. Anyway, thanks for all the info. Love this site! John/Sourkraut
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wadoyado
Member Sponsor Member Joined: 29 Sep. 2016 Location: Mi. Status: Offline Points: 728 |
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I was taught years ago tube is measured by outside dia.,pipe by inside dia. 1/4 tube would be 1/4 minus 2X wall thickness, pretty sure 1/4" is stock. Joe W
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"It's unbelievable how much you don't know about the jeep you've been driving all your life" (Mickey Mantle paraphrase)
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47 deuce alpha
Member Joined: 07 Aug. 2017 Location: Midland Texas Status: Offline Points: 655 |
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The original metal fuel line on my jeep is 1/4" OD and 3/16" ID so that is nominally 1/4" tubing. I changed part of the fuel line over to hose which is 1/4" ID and 7/16' OD. That is considered 1/4" hose. The ID on some of the inline fuel filters appear very small. On another note my old 8N Ford tractor also has a 1/4" fuel line. No fuel pump, the tank is above the carb so it is gravity flow. You actually have to restrict the flow with a needle valve to keep it from getting to much flow through the 1/4" line. |
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1947 CJ2A 90419
1947 CJ2A 127735 1949 Ford 8N 1955 Kaiser Willys Pickup Half the distance takes you twice as long. |
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Cinnabear
Member Joined: 21 May 2018 Location: Montana Status: Offline Points: 111 |
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Question for you while we are this topic. My fuel line is rubber hose from the tank to the pump, theres a filter just outside the tank, and another right before the pump. My plan is to remove the tank and clean it out....I'm thinking of replacing the fuel line while I'm at it...would you guys do rubber or switch to that brake line?
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1947 CJ-2A Willys
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Ol' Unreliable
Member Joined: 25 Sep. 2016 Location: CO Springs CO Status: Offline Points: 4226 |
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Use actual steel fuel line.
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There's a reason it's called Ol' Unreliable
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64CJ5
Member Sponsor Member Joined: 15 Nov. 2013 Location: NE Wyoming Status: Offline Points: 941 |
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Recently the metal line from the fuel pump to the carb split. The fan was blowing the gas all over. Got a measurement and while I had gas on my hands I measured from the TK to the fuel pump. So now I have hose all the way through, with a filter before the fuel pump. Fewer places for leaks to occur. In the dark past I had installed a 1/4 turn valve under the TK. I think the hose may keep vapor lock from occurring.
Edited by 64CJ5 - 16 July 2018 at 6:20am |
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64CJ5 "Eeyore"
01TJ "Tigger" 52 M38 Severely demilitarized, "Popeye" The Coast Guard Jeep. 14 JK "Jake" To Trust Government Defys Both History and Reason. PUBLIC LAND Owner/User |
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