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  1. #1
    Veteran Member Three Rings Monkey77's Avatar
    Join Date
    Oct 30 2007
    AZ Member #
    22197
    My Garage
    2005 Audi A4, Tiptronic.
    Location
    new jersey

    Question n75 valve..worth it or don't bother?

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    Was looking into an N75 valve, wanted some feedback if anyone was running it, and if it is worth it or not.???????
    " You can't be lucky all the time, but you can be smart everyday."

  2. #2
    Veteran Member Three Rings khj677turbo's Avatar
    Join Date
    Dec 25 2007
    AZ Member #
    23620
    Location
    Tampa

    Re: n75 valve..worth it or don't bother?

    Almost night and day on my k04 system. I could swear that I read someplace that b6's may have problems with upgrading this valve. But performance wise, J, and H would be your best choices.
    Current: 13 A4 P+ Sport, K04 etc, 18 SQ5
    Gone: 04 A4 1.8t USP 6-speed Avant
    Gone: 00 A4 1.8t K04'd

  3. #3
    Veteran Member Three Rings jm121189's Avatar
    Join Date
    Jun 05 2007
    AZ Member #
    18585
    Location
    Portland, ME

    Re: n75 valve..worth it or don't bother?

    I know on the b5 the H valve often puts people in limp mode but the J is a good compromise since it doesn't do it and still gives you a few psi.
    2000 1.8t A4 qtm gone but not forgotten
    2008 R32
    2015 S4

  4. #4
    Established Member Two Rings
    Join Date
    Apr 20 2007
    AZ Member #
    17446
    Location
    Long Island, New York

    Re: n75 valve..worth it or don't bother?

    Anyone know which one ecs carries? I just ordered one but I'm thinking about returning it.

  5. #5
    Veteran Member Three Rings khj677turbo's Avatar
    Join Date
    Dec 25 2007
    AZ Member #
    23620
    Location
    Tampa

    Re: n75 valve..worth it or don't bother?

    H i believe.
    Current: 13 A4 P+ Sport, K04 etc, 18 SQ5
    Gone: 04 A4 1.8t USP 6-speed Avant
    Gone: 00 A4 1.8t K04'd

  6. #6
    Active Member Four Rings A4ringedONE8T's Avatar
    Join Date
    Feb 17 2005
    AZ Member #
    5337
    Location
    Sarasota, FL

    Re: n75 valve..worth it or don't bother?

    Dont waste your time, the tiny little K03/K04's can't make anymore boost than your already asking them to. All your doing is blowing worthless hot air

  7. #7
    Veteran Member Four Rings initiala4's Avatar
    Join Date
    Feb 24 2004
    AZ Member #
    838
    Location
    Land of the smiles

    Re: n75 valve..worth it or don't bother?

    stick with the F valve...
    2019 B9 RS4 - O.CT Tuning Stage 1 | Wagner Intercooler / Radiator | Ohlins R&T DFV | 034 Motorsports Dynamic + Sway bars | 034 Motorsports Transmission mount | Ignition Projects Coilpacks | HHC Rear rotor upgrade 370mm + Endless MX72 brake pads

    Formerly - 2003 Audi B6 A4 1.8T QM, 2013 VW Passat Variant 2.0 TSI

  8. #8
    Veteran Member Four Rings SeKKeY's Avatar
    Join Date
    Mar 06 2005
    AZ Member #
    5576
    My Garage
    MKVI GTI (dd), DTM S4, B6 USP (sold), B5 1.8T (RIP)
    Location
    San Jose, CA

    Re: n75 valve..worth it or don't bother?

    i heard the H valve puts the car into limp mode
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    Stage 2++++++++ JHM B7 S4

  9. #9
    Veteran Member Three Rings audi314's Avatar
    Join Date
    Oct 22 2007
    AZ Member #
    21991
    My Garage
    06 A6 C6 Avant, 12 F-150 FX4 Twin Turbo
    Location
    ATL

    Re: n75 valve..worth it or don't bother?

    Look at Autotech, they have the N75J for $89. Not a bad deal. I need to replace mine anyway, so I think I am going to g try the J valve.
    I had a BT Audi!****> Lost at Barber MSP 11/1/09

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  10. #10
    Established Member Two Rings michpan's Avatar
    Join Date
    Mar 15 2007
    AZ Member #
    16449
    Location
    Athens, Greece

    Re: n75 valve..worth it or don't bother?

    It won't offer anything significant. You may notice a slight psi increase at first but as the ecu adapts the difference performance-wise with a regular N75 would be non-existent.


    Michael
    - Audi A4 1.8T B7 FWD+GT2x+carbonio
    + milltek exhaust+neuspeed xtreme tip
    + APR fmic+hofele bumper+ bilstein/h&r
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