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Author Topic: Making auto brake lines.  (Read 1750 times)

Offline Tom

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Making auto brake lines.
« on: August 28, 2020, 04:57:30 PM »
Would you use brass, ss, copper or steel?  Would U single or double flare the ends? 
« Last Edit: August 28, 2020, 05:44:20 PM by Tom »
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Offline roadventure

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Re: Making auto brake lines.
« Reply #1 on: August 28, 2020, 05:09:55 PM »
Stainless steel tubing with flare fittings.  This is what I did for for hydraulic lines on industrial machinery, so it may be overkill for cars, but then again....maybe not.
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Online RinkRat II

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Re: Making auto brake lines.
« Reply #2 on: August 28, 2020, 05:27:24 PM »

      Steel or stainless, double flare.

      Paul B :boozing:
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Offline Perazzimx14

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Re: Making auto brake lines.
« Reply #3 on: August 28, 2020, 05:47:46 PM »
There are double rolled flares and bubble flares. Coated steel lines are fine.

Brake line flaring tools are avalaible at Autozone and the like for about $35 for the low end get it done model or you can borrow them for a $35 deosit and get it back when you return the tool. If this is a one time thing I'd not buy the tool.
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Offline Tom

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Re: Making auto brake lines.
« Reply #4 on: August 28, 2020, 06:02:14 PM »
Checking things out right now.  Thanks. :thumb:
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Offline wymple

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Re: Making auto brake lines.
« Reply #5 on: August 28, 2020, 06:10:40 PM »
Copper. Do it once & never again. Also easier to work with.
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Offline Chuck in Indiana

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Re: Making auto brake lines.
« Reply #6 on: August 28, 2020, 06:10:53 PM »
Quote
If this is a one time thing I'd not buy the tool.
This.
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Offline moto-uno

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Re: Making auto brake lines.
« Reply #7 on: August 28, 2020, 06:47:43 PM »
  Curious , when was the last time anyone supplied copper brake lines on an auto or m/c ?  Peter
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Offline oumigit2

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Re: Making auto brake lines.
« Reply #8 on: August 28, 2020, 07:14:37 PM »
European cars have for years (nickel copper commonly known as nicor) if you live in the rust belt  you use this or you keep fixing them steel and even coated lines will continue to rust and fail stainless is expensive and hard to work but is best bet for hotrod or resto daliy driver nicor you can buy it on Amazon
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Offline Matt Story

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Re: Making auto brake lines.
« Reply #9 on: August 28, 2020, 07:32:47 PM »
Faced the same question when I redid the lines on a junker a couple years back.  The flare type will depend on the connections that are designed into the car's components.  I used the nickel copper lines and I'm very glad I did despite it being more expensive.  The bubble flares were hard enough to form with a hand flare tool in the copper.  I wouldn't want to form those in steel or stainless.  Also since the lines are more flexible, I believe they were much more easy to weave around the undercarriage, forming the bends as I laced it through.  I don't think there is a disadvantage to longevity.  This tool was reasonably priced and had good quality.  https://www.amazon.com/gp/product/B000M61VE6/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1  It was important to lube the flare tool before each form.
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Offline dustybarn

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Re: Making auto brake lines.
« Reply #10 on: August 28, 2020, 07:55:02 PM »
Quote from: wymple on August 28, 2020, 06:10:40 PM
Copper. Do it once & never again. Also easier to work with.

I have used copper-nickel brake lines for years with good results:

www.cunifer.com

No affiliation, just a satisfied customer.
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Re: Making auto brake lines.
« Reply #11 on: August 29, 2020, 03:29:13 AM »
Never ever copper brake lines. Copper nickel yes  ...
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Offline lucky phil

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Re: Making auto brake lines.
« Reply #12 on: August 29, 2020, 03:44:07 AM »
Is aluminium not an option?

Ciao
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Offline huub

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Re: Making auto brake lines.
« Reply #13 on: August 29, 2020, 06:01:22 AM »
Depending on where you live, and if corrosion is a issue.
Over here it is , so I use copper or cunifer. 
Both are easy to work with.
If you live in a dry climate,  steel is probably ok.
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Online BMCMOTO

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Re: Making auto brake lines.
« Reply #14 on: August 29, 2020, 07:18:16 AM »
There are laws in the USA about brake line material and flare type used for road going equipment. Regular copper is a no-no, cannot handle enough pressure same with single flare. Flare angle is also of concern, 37 degree vs 45 degree etc..The copper-nickel stuff is nice in that it doesn't kink as easily as steel line. Ready made lines can be found in either material and flare style and are usually available in a multitude of lengths. Double flare for most American cars and bubble flare for most Asian and some European. It is worthwhile to know what you are working with and the type of fluid as well. Most parts houses (NAPA, Auto Value etc.) can help with proper choices.

Brian
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Offline Mike Tashjian

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Re: Making auto brake lines.
« Reply #15 on: August 29, 2020, 11:21:36 AM »
One more thing to remember is no compression fittings are allowed on brake fittings.
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Offline moto-uno

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Re: Making auto brake lines.
« Reply #16 on: August 29, 2020, 01:24:30 PM »
 Glad to see the "copper" brake line idea dropped in favour of Nickel-Copper . Peter
The devil is in the details  :evil:.
« Last Edit: August 29, 2020, 01:25:20 PM by moto-uno »
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Offline wymple

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Re: Making auto brake lines.
« Reply #17 on: August 29, 2020, 05:07:11 PM »
Quote from: moto-uno on August 29, 2020, 01:24:30 PM
Glad to see the "copper" brake line idea dropped in favour of Nickel-Copper . Peter
The devil is in the details  :evil:.

I may have been referring to copper-nickel. We just always called them copper.
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