Seeking advice for new brake pipes

Technical advice Q&A

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ManniB
Posts: 37
Joined: Sat Oct 17, 2015 9:01 am
Location: Pfaffenhofen/Germany
Germany

#1 Seeking advice for new brake pipes

Post by ManniB » Sun Jun 07, 2020 9:56 am

Hi,

I plan to replace all brake pipes as part of the restoration of my '72 2+2. Problem is, the usual suppliers only offer Cunifer brake pipes which (as I read) are not accepted by the German TÜV.

Does anyone know a supplier offering brake pipe sets made from steel pipe?

Thanks, Manfred
1972 E type 2+2 Willow Green

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Joes66
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Joined: Sun Apr 26, 2020 7:16 am
Great Britain

#2 Re: Seeking advice for new brake pipes

Post by Joes66 » Sun Jun 07, 2020 10:52 am

Buy a brake pipe making kit on e bay and do them yourself in copper pipe
All the correct unions are also available on e bay
Just did my 2+2
Never rust again
Joe
1969 series 2 2+2

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tim wood
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#3 Re: Seeking advice for new brake pipes

Post by tim wood » Sun Jun 07, 2020 11:16 am

I bought a roll of pipe from euro car parts and a cheapo flaring kit of eBay. Made my own, used some of the old nipples and some new ones. Forming the bends can be fun, I used various round objects ( some stolen from the kitchen).
No leaks and looks fine.
Use a mini pipe cutter- not a hacksaw

Don’t forget you will need some 1/4 inch pipe for the feeds from the reservoirs.
That’s my skinflint way of doing it. Of course you could buy a kit from Automec alongside one of their bending tools.
Series 1 FHC purchased 40 years ago. Courted my wife in it.
Series 1 2+2 when the kids were small now sold.
Series 1.5 OTS in opalescent maroon, Californian car. My retirement present.

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Topic author
ManniB
Posts: 37
Joined: Sat Oct 17, 2015 9:01 am
Location: Pfaffenhofen/Germany
Germany

#4 Re: Seeking advice for new brake pipes

Post by ManniB » Sun Jun 07, 2020 3:17 pm

Thank both of you for your replies! So it looks like building the lines myself is the way to go.
What confuses me is the necessary fittings and flare. As far as I understand, it is 3/8"-24 with SAE F flare. However, I have read that the DIN F flare which is more common here in Germany can also be used instead of the SAE F flare. Can someone confirm this?

Thank you, Manfred
1972 E type 2+2 Willow Green

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christopher storey
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#5 Re: Seeking advice for new brake pipes

Post by christopher storey » Sun Jun 07, 2020 4:38 pm

I don't think the previous posters have grasped the problem, which is that in Germany, copper or cunic is not acceptable. Apparently only steel will do . I certainly would not want to try and bend ( or for that matter flare ) steel tubes using a DIY kit

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abowie
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#6 Re: Seeking advice for new brake pipes

Post by abowie » Sun Jun 07, 2020 9:23 pm

The most sensible thing to do is to remove your old pipes and take them to a brake specialist and have them copy them for you in steel.

As Christopher says, bending and flaring steel pipes is beyond the capabilities of cheap E Bay tools.

Consider also that it is your braking system. It needs to work.

Caveat: I make all my own brake pipes at home but I use Cunifer. Copper is not legal in this country either.
Andrew.
881824, 1E21538. 889457. 1961 4.3l Mk2. 1975 XJS. 1962 MGB
http://www.projectetype.com/index.php/the-blog.html
Adelaide, Australia

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Topic author
ManniB
Posts: 37
Joined: Sat Oct 17, 2015 9:01 am
Location: Pfaffenhofen/Germany
Germany

#7 Re: Seeking advice for new brake pipes

Post by ManniB » Tue Jun 09, 2020 4:28 pm

Again, thanks for the replies so far. I have decided to fabricate my own lines since I have some experience from the past restoring my Mustang. I have even ordered a flaring tool that can do the required SAE bubble flares.

Next thing is to order the correct junctions/brake line nuts. I can find 3/8"-24 nuts, but they say type F DIN/ISO. Alternatively, I can get type E SAE. None of the available nuts say SAE bubble.

What would be the correct brake line nuts. A link to a product would be great.

Thanks, Manfred
1972 E type 2+2 Willow Green

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MichaelDesna
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Location: Rutland, Vermont, USA
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#8 Re: Seeking advice for new brake pipes

Post by MichaelDesna » Sat Aug 15, 2020 2:14 am

I watched a You-tube video where the guy use steel compression fittings to join the brake lines. Has anyone done this ? My rear brake line blew a hole when I drove it after sitting for 6 years and I applied the brakes. -Mike

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