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Old 01-01-2019, 06:18 PM   #1
forestb
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Gas rotting rubber fule line

I heard that California gas causes rubber fule line to rot. Does anyone know if there is any truth to this. I have braded stainless fule line. Should I be worried?
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Old 01-01-2019, 07:14 PM   #2
vin63
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Re: Gas rotting rubber fule line

The gas with ethanol will speed up that process of breaking down rubber and other elastomers that it comes in contact.
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Old 01-01-2019, 07:34 PM   #3
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Re: Gas rotting rubber fule line

Ethanol-gas is known to do that.
Marvel Mystery oil added when you get home from a fill-up
or other equal gas additives
may help slow the process down.
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Old 01-01-2019, 08:39 PM   #4
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Re: Gas rotting rubber fule line

Yep...ethenal...every time...unless it's been treated
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Old 01-02-2019, 11:16 AM   #5
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Re: Gas rotting rubber fule line

I used PFTE lined braided fuel hose. *Supposedly* resistant to ethanol and other additives. Summit, and just about everyone carries it.
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Old 01-02-2019, 12:22 PM   #6
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Re: Gas rotting rubber fule line

You could use Nitrile, maybe that would help.
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Old 01-02-2019, 12:25 PM   #7
forestb
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Re: Gas rotting rubber fule line

I have not seen any leaking yet and have been using that fuel line for around 5 or more years. But I have heard stories so it made me nervous.
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Old 01-02-2019, 07:43 PM   #8
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Re: Gas rotting rubber fule line

This might be helpful :
http://67-72chevytrucks.com/vboard/s...d.php?t=773930
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Old 01-03-2019, 12:16 PM   #9
forestb
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Re: Gas rotting rubber fule line

I have Russell braided fuel line it has a CPE inner liner. Does anyone know what CPE is?
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Old 01-03-2019, 12:35 PM   #10
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Re: Gas rotting rubber fule line

chlorinated polyethylene

I would think all modern fuel hose would have to be resistant to Ethanol. It's been in the gas around here for at least 15 years.
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Old 01-03-2019, 01:27 PM   #11
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Re: Gas rotting rubber fule line

Quote:
Originally Posted by forestb View Post
I have Russell braided fuel line it has a CPE inner liner. Does anyone know what CPE is?
Ya, it's all very technical.
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Old 01-03-2019, 02:14 PM   #12
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Re: Gas rotting rubber fule line

Quote:
Originally Posted by rpmerf View Post
chlorinated polyethylene

I would think all modern fuel hose would have to be resistant to Ethanol. It's been in the gas around here for at least 15 years.
I have the owner's manual for my '87 and '88 model cars and they both state that it's safe to run 10% ethanol in them. Fuel line has been ethanol resistant for quite a while. Most of the "ethanol destroys" hype has been from people who leave ethanol gas in their cars/lawn equiptment/boats for long periods of time and the water absorbed by ethanol does damage. I've run e10 in everything I own since I started driving and have never had the first ethanol related problem. The carbs even look new inside 75k miles later...
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Old 01-03-2019, 02:50 PM   #13
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Re: Gas rotting rubber fule line

awesome thanks
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