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sjhenry1075
post Apr 18 2018, 09:21 AM
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So I have a dumb question, but as my wife (who is a teacher) always says, the only dumb question is the question not asked so here goes..

I recently replaced the fuel lines in my 71 with stainless and new braided hose in the engine compartment. My question is, the lines that I purchased from Pelican, the smaller ones, which I believe would be the return lines, would not fit over any of the fittings so I just used the larger line. Does it matter if I use the larger braided hose for both supply and return?

Thank you in advance for being patient and providing answers to my questions..
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76-914
post Apr 18 2018, 09:25 AM
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Won't matter unless you get them crossed. (IMG:style_emoticons/default/beerchug.gif)
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Amphicar770
post Apr 18 2018, 09:31 AM
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Should be fine. The bigger concern should be if the braided fuel line is E85 compatible. Those old school rubber fuel hoses do not like modern gasoline.
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mepstein
post Apr 18 2018, 09:34 AM
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QUOTE(76-914 @ Apr 18 2018, 11:25 AM) *

Won't matter unless you get them crossed. (IMG:style_emoticons/default/beerchug.gif)

If they’re not leaking, you are good.
I like them to have a snugg fit when you punch them on so the clamp just serves to secure the line, not crush it.
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sjhenry1075
post Apr 18 2018, 09:36 AM
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QUOTE(Amphicar770 @ Apr 18 2018, 11:31 AM) *

Should be fine. The bigger concern should be if the braided fuel line is E85 compatible. Those old school rubber fuel hoses do not like modern gasoline.


That's a good thought and something I never considered. How do I know if the new lines are E85 compatible?
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sjhenry1075
post Apr 18 2018, 09:37 AM
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QUOTE(mepstein @ Apr 18 2018, 11:34 AM) *

QUOTE(76-914 @ Apr 18 2018, 11:25 AM) *

Won't matter unless you get them crossed. (IMG:style_emoticons/default/beerchug.gif)

If they’re not leaking, you are good.
I like them to have a snugg fit when you punch them on so the clamp just serves to secure the line, not crush it.


Snug I understand, but I could not get the smaller lines over the fittings no matter how hard I tried. Thank you for your reply.
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Amphicar770
post Apr 18 2018, 09:54 AM
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QUOTE(sjhenry1075 @ Apr 18 2018, 10:36 AM) *

QUOTE(Amphicar770 @ Apr 18 2018, 11:31 AM) *

Should be fine. The bigger concern should be if the braided fuel line is E85 compatible. Those old school rubber fuel hoses do not like modern gasoline.


That's a good thought and something I never considered. How do I know if the new lines are E85 compatible?


If it was inexpensive it is not compatible.

Should be marked 30R9 or higher
http://ww2.gates.com/europe/brochure.cfm?b...cation_id=19079

http://www.914world.com/bbs2/index.php?sho...p;#entry2600523
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TheCabinetmaker
post Apr 18 2018, 01:42 PM
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I am unaware of any ethanol rated braided line. I will not use braided fuel line period. They will seep fuel
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Chris914n6
post Apr 18 2018, 03:11 PM
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Depending on year, it's either 2 same size lines (8mm I think) or an 8mm and 10mm. The fittings on the gas tank will match as well as the filter and fuel pump so not exactly an easy solution.
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sjhenry1075
post Apr 19 2018, 01:10 PM
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QUOTE(The Cabinetmaker @ Apr 18 2018, 03:42 PM) *

I am unaware of any ethanol rated braided line. I will not use braided fuel line period. They will seep fuel


Is this true? I was sold these lines from Pelican Parts. At no time did they say that they shouldn't be used with fuel.
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jcd914
post Apr 19 2018, 01:24 PM
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I don't know the rating of the fuel lines you have or what the line was marketed or sold as.
There is a difference between rated for gasoline and for gasoline with ethenol added to it.
There is fuel line on the market that is fine for pure gasoline (what ever that is) that is not rated for gasoline with ethenol. Most markets in the US now have ethenol added to the fuel.

Most flaps sell ethenol rated fuel injection hose that works on our cars.

Jim
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Jonathan Livesay
post Apr 19 2018, 01:28 PM
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QUOTE(The Cabinetmaker @ Apr 18 2018, 12:42 PM) *

I am unaware of any ethanol rated braided line. I will not use braided fuel line period. They will seep fuel

https://www.jegs.com/i/JEGS-Performance-Pro...111921/10002/-1
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sjhenry1075
post Apr 19 2018, 01:35 PM
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QUOTE(jcd914 @ Apr 19 2018, 03:24 PM) *

I don't know the rating of the fuel lines you have or what the line was marketed or sold as.
There is a difference between rated for gasoline and for gasoline with ethenol added to it.
There is fuel line on the market that is fine for pure gasoline (what ever that is) that is not rated for gasoline with ethenol. Most markets in the US now have ethenol added to the fuel.

Most flaps sell ethenol rated fuel injection hose that works on our cars.

Jim


Thank you for your response and your information. I called PP to get a quote about everything needed to replace my plastic tunnel lines and all other fuel lines and they sent me braided ones. I will check back with them to see if they are in fact compatible with gas with Ethenol. Thank you!
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sjhenry1075
post Jul 1 2019, 11:08 AM
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Well you were right, the braided lines seeped fuel. I thought you had included a link to a purchase location but couldn't find one. Do you have a link?

Thank you
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ChrisFoley
post Jul 1 2019, 11:20 AM
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jcd914
post Jul 1 2019, 12:41 PM
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(IMG:style_emoticons/default/agree.gif) Chris has everything you need including injector elbows.

When I redid my fuel hoses I was impatient and just went to the Oreilly's Auto Parts by my house and bought some Gates FI Hose with SAE Spec 30R14-2.
You need 30R9 or higher, the 30R14 handles the current fuel but the are 2 version of the Gates hose.
The -1 version is low pressure nit for FI, only 50PSI rating, this is what they brought out first to sell me.
The -2 version is rated at 225PSI which is what I used on my car.

I had to explain to them there were specs for fuel hose.
The AutoZone by me only had 30R7 spec hose and didn't know what it meant.

Jim
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Mark Henry
post Jul 1 2019, 01:05 PM
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QUOTE(jcd914 @ Jul 1 2019, 02:41 PM) *

(IMG:style_emoticons/default/agree.gif) Chris has everything you need including injector elbows.

When I redid my fuel hoses I was impatient and just went to the Oreilly's Auto Parts by my house and bought some Gates FI Hose with SAE Spec 30R14-2.
You need 30R9 or higher, the 30R14 handles the current fuel but the are 2 version of the Gates hose.
The -1 version is low pressure nit for FI, only 50PSI rating, this is what they brought out first to sell me.
The -2 version is rated at 225PSI which is what I used on my car.

I had to explain to them there were specs for fuel hose.
The AutoZone by me only had 30R7 spec hose and didn't know what it meant.

Jim

30R7 is low pressure hose, technically it can be used on the low pressure sections of a FI system but it's only a few 6" sections so I stick with the 30R9. After reading the technical data I use 30R9 even with carbs.

All braided hose I've used becomes brittle and obvious cracking can be seen on the cut (clamp) end of the hose in as little as 12-18 months.
It's OK for smog/vacuum lines but I refuse to use it for fuel.
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JawjaPorsche
post Jul 1 2019, 01:53 PM
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Contact Tangerine Racing. Explain what you have and he will hook you up with the correct fuel hose.
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JeffBowlsby
post Jul 1 2019, 02:07 PM
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7mm ID for the engine bay fuel hose. The original nylon tunnel tubing is 8mm and 10mm.
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VaccaRabite
post Jul 1 2019, 02:36 PM
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Fires suck. Get that braided crap off your car. :-)

When you put the real fuel line in, remember to use FI clamps, NOT worm gear clamps. They will eat up the fuel hose.

Best of luck!

Zach
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