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  1. #1
    Veteran Member Three Rings kingofqueenz788's Avatar
    Join Date
    Jan 11 2007
    AZ Member #
    14805
    My Garage
    audi%20s4
    Location
    NewYork, NewYork

    replacing boost lines by n75 ?

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    yea so im adding a mbc on my car and i was wondering if i can replace all the boost lines from the waist gates up 2 the n75 with stronger lines. the lines that i have are all crispy and probly leaking :-) which is causing my boost gague 2 flutter back n forth :-X anyone did this or kno wheir 2 find a dyi

  2. #2
    Veteran Member Four Rings
    Join Date
    Apr 05 2007
    AZ Member #
    17019
    Location
    SoCal

    Re: replacing boost lines by n75 ?

    it's a bitch. a few have done it with silicone hose and re-routing the lines (good luck running original position behind motor).

    biggest pain is getting the hose on the wastegate nipple, i've read from other's experience. long pliers wrapped in duct tape were used to not damage the line while trying to force it over the wastegate.

    Search AW for more information..

  3. #3
    Veteran Member Three Rings DefiantS4's Avatar
    Join Date
    Jul 30 2004
    AZ Member #
    2946
    Location
    Houston, TX

    Re: replacing boost lines by n75 ?

    Those hoses are a total pain to get to. Even with the transmission out of my car, I couldn't touch the rear of the block where the stock hoses are routed. A popped stock hose was the likely demise of the first pair of K04s on my car. Unless you want to pull the motor, the easiest way to do it will be to route new 1-piece heat-shielded hoses between the wastegates and the N75, bypassing entirely the stock plumbing (combination of hard lines and hose).

    Past - '01.5 S4, APR Stage III

  4. #4
    Veteran Member Three Rings kingofqueenz788's Avatar
    Join Date
    Jan 11 2007
    AZ Member #
    14805
    My Garage
    audi%20s4
    Location
    NewYork, NewYork

    Re: replacing boost lines by n75 ?

    yea i saw them when i had the motor out of the car i waas thinking abt replacing them but didnt, so not i have a bigger problem on my hands do you think the tubing from ecs is ok > the colored blue tubing they sell.. bec most likely this is my problem

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