Brake line creation

Discussion in 'Modifications And Maintenance' started by Colin, Jun 17, 2007.

  1. Colin
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    Colin Well-Known Member

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    So I'm about to start shopping for brake line. Not the chasis to caliper lines, but the lines running from the booster. I have no Idea what to look for.


    Suggestions? Thoughts? Help?

    also, anybody know if running uneven vs even line makes any difference?
     
  2. Colin
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    Colin Well-Known Member

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    Seriously, no one has any suggestions? this is open to any ideas. I haven't even started research yet.
     
  3. AWDimprezaL
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    AWDimprezaL has more posts than you

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    i think the length of it makes a difference, thats why on some cars its all spiralled up somtimes
     
  4. Colin
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    Colin Well-Known Member

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    out of the RS ABS the line is unequal between the drivers and passengers fron wheels. havent checked the backyet, but i'm pretty sure the same thing 'cause it's runn down the passengers side.

    I'm not sure what will happen now that i have no ABS thingy.
     
  5. istoptofly
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    istoptofly Well-Known Member

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    hydraulics 101, the lines have to be the same length. The car will pull/brake uneven with different legth lines.
     
  6. mlgez
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    mlgez Well-Known Member

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    Really, I must have missed that in brakes class at North Western Auto. Makes sense though. You could make your own lines. Pipe benders are not too pricey. Not sure about a double flaring kit though. Last I knew single flares are very bad for brakes but when I took brakes was back in '94 so it has been a long time. Someone else can tell you about flaring the lines. Brakes are easier than a lot of people think.
     
  7. istoptofly
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    istoptofly Well-Known Member

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    I should rephrase, the brake on the shortest line will engage first
     
  8. w_o_t_boy
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    w_o_t_boy Well-Known Member

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    Why? Liquids don't compress.
     
  9. istoptofly
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    istoptofly Well-Known Member

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    Making your own lines is not so much hard as it is time consuming. The lines are inexpensive and the tools can be rented. All flares will need to be double and try to keep the lines as similar in length as possible(side to side, not front to back), they don't have to be exact. Even though hydraulic fluid does not compress, and thus different lengths shouldn't matter, it does have an affect--as we discuss this I am going through my books trying to find the very easy to understand explanation of this. I had issues understanding why it mattered until I read this explanation. I'll post it when I find it(if I find it, I still live in cardboard boxes:roll: )
     
  10. Dynapar
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    Dynapar Well-Known Member

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    hmm interesting question. I would assume since the lines are filled completely with fluid that when the pedal is pressed there will be an equal amount of forced transfered through the lines. Perhaps its takes a fractio nof a second longr to transfer the force through a longer line since there is more fluid required to push?

    as for making them it is a fairly simple proccess. you just need something round to make your bends with to ensure that they dont flatten or crack. I have a tool for that its if pretty simple its just a grooved wheel about 2-3" diameter with a tab to hold one end of the line. I am not sure abou the double flares, but i know you can rent or buy flaring tools pretty cheap.
     
  11. TSTRBOY2004
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    TSTRBOY2004 Well-Known Member

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    doesnt make sense too me... seing as it is HYDRAULIC it has same pressure through whole system... it moves an inch one end it moves that same inch on the other regardless of length.. its moving volume/pressure... unless you have moisture in your system then there will be issues... thats my understanding from working in teh industry but I aint an engineer... and besides on Trucks the rears are usually out of one block and usually different lengths???
     
  12. Colin
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    Colin Well-Known Member

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    The making and flaring is not a problem. I have all the tools i need. What I'm looking for is more info on the Brake line material.What kind (material/brand) What diameter piping, does bigger = more immediate pressure, things like that.

    I will also be looking into the aspects of hydrolics flow.

    thanks for the input so far.
     
  13. istoptofly
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    istoptofly Well-Known Member

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    you really dont have a choice on line size, you get what has the right nut/thread for your application, ussualy in line size of 1/8" or 3/16", made of stainless steel or zinc plated steel. As far as pressure goes, the only gain to be had really is by installing braided steel brake hoses.