rear brake lines

Discussion in 'Technical' started by Racer_X, Dec 17, 2012.

  1. rickm

    rickm Member

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    I've used the copper stuff an I think it bends easy. I used it by the MC and the prop valve. On the axle I would go with the prebend for the perfect fit.
     
  2. rthomas771

    rthomas771 Member

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    THIS IS NOT SAFE...Copper is too soft...it will split open under the high pressure used in the brake system. Using copper fitting is a no no also. The pressure will wipe the threads off the fitting
     
  3. rickm

    rickm Member

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    It's copper and nickel, it's used by Audi,and alot of others. I think if it wasn't safe they sure wouldn't be selling it for brake lines !
     
  4. tody

    tody Member

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    the NiCopp stuff from jegs is what i used, too. it's an alloy with copper, nickel and iron. the name used over here is CuNiFer, derived from the chemical symbols for the three metals.
    it's easy to bend by hand, and easy to make flares.

    on my 4-lug mav rear, i used the pre-bent 65/66 mustang brake lines, which were an okay fit - but i used a 65 mustang rear brake hose, too.
    BUT what has to be considered is the position of the axle vent tube. it would be a waste of money to use mustang lines, just to find that they are made for an axle housing with a differently positioned vent tube.
    if i would use pre bnt stuff on a mav, i'd probably go with Right Stuff Detailing mentioned above!
     
  5. Dave B

    Dave B I like Mavericks!

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    Audi stuff on a Maverick!!! Shame on you!!! :D
     
  6. 71gold

    71gold Frank Cooper Supporting Member

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    or was it the ...copper, nickel and iron...

    ...:huh:
     
  7. rthomas771

    rthomas771 Member

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    You didn't say "copper/nickel"…you said “copper stuff”. Big difference between the two. Your post sounded like you went to Home Depot and bought a roll of copper tubing. I'm sure the original poster could have thought the same.
     
  8. Acornridgeman

    Acornridgeman MCCI Wisconsin State Rep Moderator Supporting Member

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  9. Joe Dirt

    Joe Dirt BBF life

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  10. Racer_X

    Racer_X Maverick Hugger

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    when it come to hoses and lines i buy more than what i think i will need just in case plus me or my dad may need some later on, i can use the extra on my other project if i need to, or pops can use some for his three projects. nothing goes to waste in the garage lol.
     
  11. rthomas771

    rthomas771 Member

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    As long as you know you're gonna use it then buy what you want :Handshake
     
  12. rickm

    rickm Member

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    OK my error when I said copper and didn't add the nickel. I know copper won't hold 3k psi. But hey if you get the good compression fittings:rofl2:
     
  13. 74LDO

    74LDO Member

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    copper

    I offered to help an elderly friend When he told me that a line broke on his 1929 Rolls Royce. When he showed me a roll of refrigeration tubing, I told him you cant use that! He said why not ( He was an combustion engineer from TRW) thats whats on the car! Needless to say we replaced the copper brake line with another.........All the lines were copper! The Secret he said is you MUST anneal( softening by very controlled heating) the tube before flaring or it will split. He did that with a propane torch and it worked as he said. I Have never used copper before or since for brake lines. I always thought the same thing copper wont hold the pressure! 1/4 Refrigeration tubing is rated for 980 PSI. 1/8 Refrigeration tube (1/4 Outside Diameter) is rated for 1400 PSI. Fittings is were it normally fails, most connections on refrigeration equipment is soldered.
     
  14. 71gold

    71gold Frank Cooper Supporting Member

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    enough said...:D
     
  15. 74LDO

    74LDO Member

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    copper

    Well actually copper was used as brake line on most early cars and even chrysler into the late 30's, MG's late 40's....AACA judges deduct points for not having the correct material brake lines.
     

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