Does anyone know if these are copper brake lines or kunifer? If they're copper I suppose they're illegal right? Thanks

http://www.minispares.com/product/Class ... |Back%20to

They are copper, it says so in the sales blurb.
I would be tempted to use it for the hydro lines (Minispares sells a 4 piece kit with 2 joiner sockets), but not brake lines...

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Is it possible some of these copper brake line kits are copper plated steel to stave off corrosion?

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

Copper tube is commonly used for brake piping in UK.
If you want the best brake pipe use cupro-nickel, available here. It won't rust and is way stronger than copper.
The problem with copper tube is it work hardens with age or movement, gets brittle then can break.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

is it illegal? Seems strange that the UK would allow it!

The UK covers its roads with salt, they would all die if they used steel brake lines. They commonly use copper, cupro nickel or cunifer brake lines, mainly for the corrosion resistance.

Tim

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1951 Morris Commercial J Type Van
1955 BSA C11G
1961 Morris Mini Traveller
1969 Triumph TR6R
1977 Leyland Moke Californian

OK, so I'm looking at getting some new brake lines and saw that some UK companies do copper and some do Cunifer (cupro-nickel)


This brings me to a few questions;
1: Is it Legal? (ADRs)
2: Does it work Harden?

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Justin

It is legal providing it meets adrs or equivalent ISO, SAE etc.
It does work harden but not in anyway like copper.

Its also very easy to work with. It doesn't need a heavy duty flare-ing tool like steel does.

Just go to your local enzed or similar hose shop and grab a roll of brake line. Make them yourself it is extremely easy to do. If you dont have a double flare tool or pipe cutter just take the old ones and get them to bend them up and put the ends on.

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1965 Riley Elf
1974 Ex Army Moke
1997 Rover Cooper
2002 JCW Cooper
2003 JCW Cooper S

that makes sense - I did wonder

my mate inspected a dodgy compliance/roadworthy on a UK import Maserati, looking underneath it when it was brought in and all of the brake lines were completely rusted (among lots of other nasties)

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did I tell you that I won a trophy?

Dumb question: but Doc, would copper stand the same pressures as steel? Remembering around 300-320psi (on first pump up)

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"Show me the Mini!"

Yes no problem.
You can also get a pipe kit in UK with plastic line instead.

Back in 1970 I used to plumb the brake lines on Formula Vees using 1/8" nylon line, and crimped brass end fittings. No rubber hoses. The nylon was rated for 2,500psi.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.