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[ 13 posts ] |
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Mr. Lav
Official CCB Member
Joined: Sun Apr 17, 2011 11:33 am Posts: 200 Location: yoder, colorado
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metal fuel lines
have a quick question on fuel lines. What is everyone running for fuel lines? Getting ready to replace and have seen people running metal looking for the size of line and where to pick up some at. I'm running the mustang EFI, so pressure and return Thanks Alex
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Tue Feb 26, 2019 11:46 am |
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B.O.B.
Official CCB Member
Joined: Thu Nov 11, 2010 10:31 am Posts: 770
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Re: metal fuel lines
I ran 3/8 stainless for both. Got it from Summit. Some say you can run a smaller return but it was just easier for me to run the same.
_________________ 71' bronco, np435 w/trailbanger, 302 efi, 35" KM3 on 17x9 Fuel Anza, warn xd9000i, cage arms, 5" lift
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Tue Feb 26, 2019 12:00 pm |
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Strike2
Joined: Mon Nov 28, 2016 11:34 am Posts: 808
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Re: metal fuel lines
I'm running a 96 Explorer EFI/fuel pump and PTFE hose from summit, although running hard lines is much cheaper. https://www.summitracing.com/parts/sum-220985
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Tue Feb 26, 2019 1:13 pm |
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cpldavis37
Official CCB Member
Joined: Sun Oct 16, 2011 7:45 pm Posts: 357 Location: Thornton, Co
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Re: metal fuel lines
I bought mine from BC Bronco's.
_________________ TJ "Everyone suspects himself of at least one of the cardinal virtues, and this is mine: I am one of the few honest people I have ever known." F. Scott Fitzgerald 1974 Ford Bronco 3 1/2 inch James Duff lift ,2 inch body lift, 351w Explorer EFI, Viper built c4, Viper built Dana 20 with wildhorses twin stick, Kinder built Dana 44 with 4.56 gears disc brakes aussie locker and knuckle over conversion, Kinder built 9 inch with grizzly locker 31 spline axles and 4.56 gear
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Tue Feb 26, 2019 1:41 pm |
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Viperwolf1
Official CCB Member
Joined: Tue May 07, 2013 10:37 pm Posts: 1485
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Re: metal fuel lines
Bought a roll of 3/8" steel tubing from napa.
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Tue Feb 26, 2019 6:50 pm |
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Digger
Official CCB Member
Joined: Fri Jun 21, 2013 8:53 pm Posts: 1276
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Re: metal fuel lines
3/8" steel hardline for pressure side, 5/16" steel hardline for return.
I used poly for the soft lines () and SAE J2044 quick disconnects () to make the jump from hardlines to filters, tank and engine.
_________________ Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc. Build Thread:
Average 23.5 mpg, Best tank: 25.1 mpg
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Tue Feb 26, 2019 8:10 pm |
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Gunnibronco
Official CCB Member
Joined: Mon Jan 03, 2011 6:07 pm Posts: 4074 Location: Gardnerville, NV
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Re: metal fuel lines
_________________ "America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe 74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges 72 U15- Explorer Sport-Candyapple Red (1 of 141)
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Wed Feb 27, 2019 10:23 am |
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Digger
Official CCB Member
Joined: Fri Jun 21, 2013 8:53 pm Posts: 1276
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Re: metal fuel lines
_________________ Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc. Build Thread:
Average 23.5 mpg, Best tank: 25.1 mpg
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Wed Feb 27, 2019 6:01 pm |
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Gunnibronco
Official CCB Member
Joined: Mon Jan 03, 2011 6:07 pm Posts: 4074 Location: Gardnerville, NV
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Re: metal fuel lines
Great thanks. We had a tool kit at the first body shop I worked at and made my brake lines for my full width axles. I can see getting a lot of use out of that.
_________________ "America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe 74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges 72 U15- Explorer Sport-Candyapple Red (1 of 141)
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Wed Feb 27, 2019 6:44 pm |
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Mr. Lav
Official CCB Member
Joined: Sun Apr 17, 2011 11:33 am Posts: 200 Location: yoder, colorado
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Re: metal fuel lines
ok so which is better steel or poly (I was told to stay away from poly) cause if poly will work I have the kit with gun at work, with the steel lines looking at the fittings they look like they go together like air brake lines. thanks Alex
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Thu Feb 28, 2019 10:53 am |
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Digger
Official CCB Member
Joined: Fri Jun 21, 2013 8:53 pm Posts: 1276
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Re: metal fuel lines
You want to use steel lines (stainless) as much as possible. They make up the majority of the run between the tank and engine, and attach to the frame rails. But you need to make connections between the rail and the tank and the rail and the engine. That's where poly or rubber comes in. Any time there is motion between two components, you need a soft line. I chose poly over braided rubber lines because it used OEM style connectors, it's tough and not very expensive. The OE's spend a lot of time proving something out, so if they are using push-to-connects and poly line, its good enough for my 50 yr old Bronco. Another ancillary benefit I had was being able to use off-the-shelf fuel filters from the parts store. (shown in the picture above) AN fittings are also good-to-go. They have a well established history in military and industrial applications. The least preferred option is hose barbs and hose clamps. They work okay, but hose clamp quality has gone way down with the flood of foreign produced parts, which can lead to leaks. I've started collecting hose clamps at the Pick-N-Pull because parts store stuff is pure garbage. Disassembly after time can be difficult and make necessitate cutting the line. Push-to-connects and AN fittings rarely leak, require minimum effort to install and are reusable. That's my sales pitch.
_________________ Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc. Build Thread:
Average 23.5 mpg, Best tank: 25.1 mpg
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Thu Feb 28, 2019 11:21 am |
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Mr. Lav
Official CCB Member
Joined: Sun Apr 17, 2011 11:33 am Posts: 200 Location: yoder, colorado
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Re: metal fuel lines
Thanks everyone for the info, I'm going to use stainless and then poly for the soft line part of it.
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Thu Feb 28, 2019 11:55 am |
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Gunnibronco
Official CCB Member
Joined: Mon Jan 03, 2011 6:07 pm Posts: 4074 Location: Gardnerville, NV
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Re: metal fuel lines
I like Digger's logic. I'm using steel line with rubber (not AN) hose. The EFI hose is expensive and very hard to disassemble from the barbs without cutting it off. I'll be doing it with the fittings & nylon next time for sure.
_________________ "America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe 74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges 72 U15- Explorer Sport-Candyapple Red (1 of 141)
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Thu Feb 28, 2019 8:11 pm |
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