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Thread: Installing Rear Brake Lines around the IRS

  1. #1
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    Installing Rear Brake Lines around the IRS

    Guys,

    I am trying to install the FF supplied rear brake lines around the IRS shown below.

    Attachment 70572

    Attachment 70574

    I haven't figured out a way to route them around the upper, lower control arms and the CV axle . I am concerned that if I run them anywhere between these parts they could be smashed.

    Does anyone have photographs of a good way to route the rear brake lines around these parts.

    Thanks
    Damien

  2. #2
    Senior Member karlos's Avatar
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  3. #3
    2bking's Avatar
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    Here are a couple of pictures of the termination on the frame between hard lines and braided lines to the calipers.
    DSCF4380d.jpg DSCF4402d.jpg
    King
    Roadster #8127, ordered 7/12/13, received 9/11/13
    http://thefactoryfiveforum.com/showt...4-Coyote-Build

  4. #4
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    Guys,

    Thanks for the responses they were very helpful.

    Damien

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    4.6 litre and 2bking It looks like you both have run your lines very neatly, but I don't see the typical vibration coil in the hard metal brake lines. Are they not necessary?

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    2bking's Avatar
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    Quote Originally Posted by mosh1999 View Post
    4.6 litre and 2bking It looks like you both have run your lines very neatly, but I don't see the typical vibration coil in the hard metal brake lines. Are they not necessary?
    Not sure what vibration coils you are referring. I think the coils seen on some builds are the excess length in the kit lines wound into a coil and featured as vibration isolation. With the lines secured at the junctions, just like on production vehicles, there should be no vibration issues. The lines should be placed such that they don't become a structural connection due to some slight flexing of the frame. But that too is rarely an issue because of the many bends needed to run the lines through the chassis.
    King
    Roadster #8127, ordered 7/12/13, received 9/11/13
    http://thefactoryfiveforum.com/showt...4-Coyote-Build

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    2bking I didn't consider it might be excess line. I assumed most ppl coiled it just before the flex line to reduce vibrations that may cause hard metal line fatigue and fail. So you feel it is unnecessary with this frame?

  8. #8
    Senior Member 2FAST4U's Avatar
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    The coils on OEM cars is to allow for differences in manufacturing tolerances, like when mating the k member or subframe to the body. It allows for variations without having to make custom parts. They're not needed in these cars.
    Last edited by 2FAST4U; 07-20-2017 at 06:39 PM.

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    Guys,

    Great responses, you answered my next question in advanced.

    Thanks again,

    Damien

  10. #10
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    Yes, thank you.

  11. #11
    Member grluisi150's Avatar
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    If your running an ABS unit having the coils at the ABS is a good idea because the ABS has rubber isolation mounts and the brake lines are hard mounted.
    Gary
    Mark IV base kit, 2015 Coyote, Wilwood brakes, IRS-3.55 TruTrac, T56, ABS, PS, Nitto G2, Carbon fiber Dash

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