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steelcomp was here
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If it's not using a two piece ferrule and nut, I wouldn't use it for fuel. Too much risk of cracking the flair on the tubing, especially with aluminum tubing.
 

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They are made by Russell and they use a ferrule deal not much different than a brass plumbing deal. Its nowhere the same a the nut a tube with a 37* flare like this


The problem I have with the ferrule type adators is that the ferrule isn't up to crimping SS, only fairly soft aluminum tubing, and the crimp from the ferrule kind of becomes a "break right here" on the tube. The fittings is fine, but the tube is in 2 pieces. I guess if you don't rough house your boat they are fine. Maybe in a 30ft deep V. In a small jet or flat bottom, I like hoses.



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fast guy
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not a big fan of alum tubing in a boat
personally i dont care for the ferrel ends but these guys are spot on
on alum the ferrel is less likely to crack than the flair end
imo.....stainless in more better
 

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They are as reliable as the hard line is. I HATE hard lines in a boat. Threw every single hard line out years ago.

But if you use them, the line will most like fail before the adaptor does.
Are you talking about using aluminum lines, stainless lines with flair or both?
 

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Are you talking about using aluminum lines, stainless lines with flair or both?
I don't like hard lines in a boat period. alum or SS. Flared or ferrule. I don't like hard lines in a boat. Specially a small boat that gets beat on. If the beating doesn't take them out, engine vibration will.
I prefer SS with a flare done on a GOOD flaring tool the rolls the flare like an Imperial Eastman at the very least. Flared alum or ferrule sleeve on alum. :))ThumbsDwn

On a relatively short line of a decent diameter like a oil line to a remote cooler or filter, I can deal with. But -6 fuel lines, no way.



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steelcomp was here
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26,512 Posts
They are made by Russell and they use a ferrule deal not much different than a brass plumbing deal. Its nowhere the same a the nut a tube with a 37* flare like this


The problem I have with the ferrule type adators is that the ferrule isn't up to crimping SS, only fairly soft aluminum tubing, and the crimp from the ferrule kind of becomes a "break right here" on the tube. The fittings is fine, but the tube is in 2 pieces. I guess if you don't rough house your boat they are fine. Maybe in a 30ft deep V. In a small jet or flat bottom, I like hoses.
That's what I was referring to Bob, not a compression fitting. :))THumbsUp
 

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Retired Air Force
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Discussion Starter #10
I installed the fuel pressure regulator near the carb with a carb bracket and need to connect the inlet lines and there is no room for hose ends and still have the hose make the bends it would need to make. That is why I am thinking to use hard line.
 

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I installed the fuel pressure regulator near the carb with a carb bracket and need to connect the inlet lines and there is no room for hose ends and still have the hose make the bends it would need to make. That is why I am thinking to use hard line.
Move the regulator. Why force the issue. I hate to use the words "piss poor planing", but if the shoe fits....

Did you buy this bracket or build it? Lots and lots of regulators near carbs out there with hoses. Lots!



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Well I just hard lined my motor in -8 polished SS line, I figured if they can build jet engines with this style fitting I would give it a shot just for the look. If you want to go this route, try these
guy's.
AN Adapters & AN Hose Ends and Hose | AN Plumbing
They have most all the fittings you will need and are very helpful on the phone if need be. Check out their "How to" videos, some good info.
I would recommend the flaring tool they sell. I tried a few others in the same price range and they all sucked when using on SS. The Parker Flaring Tool they sell works like butter. :wink2:
 

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Well I just hard lined my motor in -8 polished SS line, I figured if they can build jet engines with this style fitting I would give it a shot just for the look. If you want to go this route, try these
guy's.
AN Adapters & AN Hose Ends and Hose | AN Plumbing
They have most all the fittings you will need and are very helpful on the phone if need be. Check out their "How to" videos, some good info.
I would recommend the flaring tool they sell. I tried a few others in the same price range and they all sucked when using on SS. The Parker Flaring Tool they sell works like butter. :wink2:
You are correct. They do use ANNEALED SS on jet engines. And it properly routed and properly supported. AND is flared with the proper tool. Good annealed SS and a GOOD tool.

Not crimp style ala home depot plumbing department on aluminum line.

YES!!! the Parker flaring tool is another EXCELLENT 37* flaring tool.



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Retired Air Force
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Discussion Starter #14
Move the regulator. Why force the issue. I hate to use the words "piss poor planing", but if the shoe fits....

Did you buy this bracket or build it? Lots and lots of regulators near carbs out there with hoses. Lots!
OUCH!
I know a lot regulators near carbs have hoses. Many of these set ups have sharp bends in the hose which I was told was bad and would cause the hose to eventually fail yet as you have pointed out many people have it that way. The same could be said about hard lines, many people run them "lots!" but that may not be a reliable indication of how good of an idea it is for performance boats. So, which is the more reliable set up? GN7, I already know what you think.
 

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damn.. had to run out in the garage and make sure my hoses aren't kinked, or have sharp bends...



i was worried there for a minute...
 

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So, which is the more reliable set up?
not sure what you mean by "more reliable". i know that hard tube is going to be more prone to cracking than hose will be. whether one will outlast the other? who knows. i had braided ss on this deal for 12 years, over 100k road miles over shitty highways. water time is easiest on it. i changed to xrp because i hate braided stainless and wanted the whole boat the same. lot of guys do hardline and are very pleased with it, just not my deal...
 

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Retired Air Force
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Discussion Starter #17
I pulled this pic off the internet. It is similar to my set up, hoses are bent up a little but I am sure it still works fine.
 

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plenty of ways to mount a regulator near the carb. like mentioned above with AN fittings and braided you need to plan everything out. hard bends and coming 1/2" short doesnt work. take something hard that bends like a coathanger and bend it up and mock up your stuff before running out and buying a bunch of stuff that wont fit. no returns @ earls. :)

 
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