That's some kind of snake oil marketing nonsense!!! Not saying it isn't true, but myself and many others here have been running regular ole braided lines for years with no issues.
Getting OCD with fuel line, go AN?
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Had that feeling about that. If it's not needed won't worry about it then.
I have only ever used steel braided hoses with synthetic rubber lining usually Earls or Russel on my fuel, oil and trans lines and have never had an issue with many years of use.
My 10 AN fuel line has been on my Monte for 20 years running race gas and pump gas and different mixes and a couple years ago I changed my Earls hose end to a different one because it had faded over the years and I had to cut the line to install it and the hose still looked like new on the inside. and I also use a AN end plugs on all my lines if I disconnect them.
My car is not a daily driver and spends the winters in a heated garage which may help the longevity of my hoses but I have yet to feel a need to use a Teflon lined hose.
The only hoses I have personally seen people have issues with were no name brands that just use a plain rubber lining that gets hard and loses it's flexibility.
My 10 AN fuel line has been on my Monte for 20 years running race gas and pump gas and different mixes and a couple years ago I changed my Earls hose end to a different one because it had faded over the years and I had to cut the line to install it and the hose still looked like new on the inside. and I also use a AN end plugs on all my lines if I disconnect them.
My car is not a daily driver and spends the winters in a heated garage which may help the longevity of my hoses but I have yet to feel a need to use a Teflon lined hose.
The only hoses I have personally seen people have issues with were no name brands that just use a plain rubber lining that gets hard and loses it's flexibility.
I would get Teflon at a minimum. I don't buy the carbon liner theory, though.
I think the only hose ends you have to be careful matching up are a cutter style like Earls swivel seal that need a certain thickness of the inner hose to seal correctly since it cuts into it. Tapered style ends should work with most brand hoses of the same AN regardless of actual dimensions.
That is interesting. The teflon hose I bought was not corrugated inside but smooth walled.
Definitely an odd phenom. The fuel is grounded in the tank and grounded at the engine end, but will arc to the braid on the way there.....
More things to look into. I'll check out more details on the PTFE hoses. Last night I was looking into life cycles of all braided hoses to make sure PTFE is the right/best way to go.
OK I hit the local mom & pop hardware store to get some aluminum hard line that I was surprised they had (& way cheaper than the copper-nickle I have) to work in with the AN stuff. One thing I'm thinking on doing is maybe minor "adjustment" bends in the hard line with major bends in AN bends. It'll still be cleaner than what I was trying to bend myself. Then I also came across NOS has PTFE pre-made hoses as short as a foot (should be the same PTFE hose as Earl's?) So there are more options to look at for this "over engineered" project. All in the name of a nice clean finshed line & OCD I will have this done. But I'm thinking I should look into meds too.
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