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08-18-2016, 11:36 AM | #1 |
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Neoprene Fuel Seals? How?
Hey Guys,
I am rebuilding my '28 Fuel line from bulb to carb and planned on using the brass ferules, but now am considering the softer neoprene seal idea. I want to get it right, so what size hose and product have guys used to seal the ends of the fuel lines? Maybe someone could get me started with a type of hose to purchase? Thanks, Jim
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08-18-2016, 12:58 PM | #2 |
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Re: Neoprene Fuel Seals? How?
There is no neoprene in the fuel system, this line is all you need.
Bob |
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08-18-2016, 01:37 PM | #3 |
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Re: Neoprene Fuel Seals? How?
Bob,
I am aware of that but much has been written about using ferules and vibrations, some guys advocate for small neoprene seals at the fitting to avoid cracks and stress
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08-18-2016, 01:44 PM | #4 | |
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Re: Neoprene Fuel Seals? How?
Quote:
Go with the steel line as original with ferrules ... The seats are not designed for orings Last edited by Mitch//pa; 08-18-2016 at 01:54 PM. |
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08-18-2016, 02:16 PM | #5 |
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Re: Neoprene Fuel Seals? How?
X2 what Mitch said.
When you tighten the fittings with the built in ferrules, it's best to use oil on the fittings and threads, and you have to tighten them a lot to make the ferrule snap off the nut. I prefer the old standard parts with separate ferrules. |
08-18-2016, 02:32 PM | #6 |
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Re: Neoprene Fuel Seals? How?
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Sounds great- ferules it is then! Thanks guys!
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08-18-2016, 02:44 PM | #7 |
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Re: Neoprene Fuel Seals? How?
When you put the ferules on the line be sure to put them close to the end. If too much fuel line is showing past the ferule it may block the flow of fuel. Probably 1/16 inch is good.
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08-18-2016, 03:49 PM | #8 |
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Re: Neoprene Fuel Seals? How?
"much has been written about using ferules and vibrations"
where? never heard of this as a problem
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08-18-2016, 06:45 PM | #9 |
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Re: Neoprene Fuel Seals? How?
The original way has been good for 85+ years. Why change??
Paul in CT |
08-18-2016, 06:49 PM | #10 |
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Re: Neoprene Fuel Seals? How?
In the great book of wives (mechanics) tails, there is a lot of BS on the www
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08-18-2016, 08:43 PM | #11 |
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Re: Neoprene Fuel Seals? How?
Once we did 2 or 3 pages, dealing with ferrules!!!! It AIN'T ROCKET SCIENCE!!!----Unlike my Friend, who worked with Werner Von Braun, developing solid rocket fuels.
Bill W.
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08-18-2016, 08:51 PM | #12 |
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Re: Neoprene Fuel Seals? How?
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08-18-2016, 09:02 PM | #13 |
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Re: Neoprene Fuel Seals? How?
A couple of times I have had to much line beyond the ferule so I just grind it off to about 1/16th then clean up the line with a rat tail file. Never had a problem.
Sewall |
08-18-2016, 09:19 PM | #14 |
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Re: Neoprene Fuel Seals? How?
Yep, but a couple days later when the second distributor body was missing on #3 also, I discovered changing the oil made my points get out of adjustment.
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08-19-2016, 07:03 AM | #15 |
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Re: Neoprene Fuel Seals? How?
Also,when installing the line hold it in place and make sure it slides into both connections naturally.If you have to push or pull on it to slide it into it's spot you will be stressing the line.Just tweak it by hand until it pops right into place without any pressure.Then tighten the fittings.
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08-19-2016, 07:10 AM | #16 |
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Re: Neoprene Fuel Seals? How?
Thank you to those of you who constructively answered my question and offered your experiential advice, it is greatly appreciated and super helpful. You make this a great forum for Model A guys!
For the minority who questioned my statement - here is a link of some of the fuel line information as proof: http://www.mtfca.com/discus/messages...tml?1280793542
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08-19-2016, 07:20 AM | #17 |
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Re: Neoprene Fuel Seals? How?
Tom: Same thing happened to me, but the distributor caused a flat tire. Hee Hee ...
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08-19-2016, 02:28 PM | #18 |
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Re: Neoprene Fuel Seals? How?
Post 16's MAFCA discussion (what I read of it) seems to address the Model T...........
Paul in CT How many A's were made with ferruleies?? |
08-19-2016, 02:41 PM | #19 |
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Re: Neoprene Fuel Seals? How?
I saw that also yesterday...it was a Model T discussion. Lol
Last edited by Mitch//pa; 08-19-2016 at 02:57 PM. |
08-19-2016, 02:42 PM | #20 | |
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Re: Neoprene Fuel Seals? How?
Quote:
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08-20-2016, 03:02 PM | #21 |
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Re: Neoprene Fuel Seals? How?
Back to your fuel line. Make sure that when you come out of the filter assy. on the dash (firewall), steel line must aim slightly down from level to the floor. Same goes for the second curve at the bottom getting to the carburetor. Air can get trapped there and restrict the fuel delivery. Tough one to diagnose. The air needs to travel up to get back to the tank against the flow of the fuel.
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08-20-2016, 07:43 PM | #22 |
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Re: Neoprene Fuel Seals? How?
I use the cork with a little permatex.
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