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Car back but I have a boost problem

Discussion in 'A4/S4 forum(B5 Chassis)' started by docurley, Sep 15, 2008.

  1. docurley
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    docurley Moderator Staff Member Moderator

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    Well I got the car back and the oil pump has resolved my Tapping issue at start (Thank good) new cam belt is on and so is the SB stage III clutch which feels like stock I have to say.

    The New Scroll Outlaw turbo is in and working, well I know it is but I have a major boost issue in that it will not boost beyond 5.1 psi.

    I know I don’t have a boost leek as my mate clamped off one of the boost pipes coming off my EBC solenoid pipe and when I took her up the road she boosted to 17psi with no issue at all and that was not even under fall load.

    My conclusion is it may be the solenoid or may be a lack of power getting to the solenoid; I will have another look tomorrow to try and work it out.

    One thing I will say is that the car feels so smooth now.
    #1
  2. dappadan786
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    dappadan786 Member

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    cool! Doc when you say solenoid do you mean the N75 Valve? it connects to the Turbo inlet pipe?

    if so i may have a spare one you can have.

    id love to see your car in the flesh! truly one of the best B5 RS outlaws! with a outlaw turbo! :icon_thumright:

    when you going to get the custom remap?
    #2
  3. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator

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    it does sound like its your EBC playing up mate, is it connected the right way? maybe they reversed it ?

    You cant even stick the N75 back in as yours has gone hasnt it?
    #3
  4. docurley
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    docurley Moderator Staff Member Moderator

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    Well I have Alpines old unit which I have no idea if it worked correctly as it's only connected to prevent codes.
    #4
  5. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator

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    It should do as it was mine and i bought it new, i just didnt like the way the boost spiked and surged (quite common on mapped cars) so i swapped it out for an F valve
    #5
  6. docurley
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    docurley Moderator Staff Member Moderator

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    Nah it's his old unit that he replaced with yours.
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  7. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator

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    Bugger, I would look at the EBC then if bypassing that makes boost, as the wastgate must work as it made boost ok.

    I am glad its fitted matey, and you may have time to get the mapping done yet for Audi driver

    PS Dan, mine is the bestest std arched Outlaw turboed 2wd B5,lmao:eyebrows:
    #7
  8. ALPINE
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    ALPINE Yes its diesel, now cry u lost

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    i do have another 1 kicking about somewhere if ya wanna try that dave?
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  9. dappadan786
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    dappadan786 Member

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    thats for sure mate! lol and mines the bestest non working most expensive turbo 2WD!!! lol
    #9
  10. docurley
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    docurley Moderator Staff Member Moderator

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    :blahblah1: Time will tell:)


    Sounds good my man
    #10
  11. AUDI TURBO
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    AUDI TURBO Member

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    I have a n75 brand new if that any good..............
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  12. Andy.B
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    Andy.B Member

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    Is you EBC solonoid 2 or 3 port? I had issues with my apexi once when it was flowing the wrong way round. Check the hoses are the right way round. Was like the car was in safe mode...
    #12
  13. docurley
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    docurley Moderator Staff Member Moderator

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    Car fixed aaaaaaaaaaaaaaaaaaaaaaaaand

    WOW

    Problem was a broken wire going to the solenoid quick repair quick run up the road and 17psi is easy thing pulls by 2000rpm and by 2500rpm I'm getting full boost (well within 200 yards).

    I have a car to VAGCOM later to clear an airbag light so I will get a better run then but now I'm getting torque steer which I have never had with this car.
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  14. Andy.B
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    Andy.B Member

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    Good man, my god i wish i had a bit more power it must be great... Oh well only a few more weeks till a new turbo is on the cards :yahoo:
    #14
  15. docurley
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    docurley Moderator Staff Member Moderator

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    But did you not slap on a bigger turbo a few months ago?
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  16. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator

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    Good news Dave, Torque steer on a quattro ???

    Mine isnt that bad, but then its usually spinning.lol Will be better once i fit the Racelogic TC
    You gonna get her chipped before Audidriver?
    #16
  17. dappadan786
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    dappadan786 Member

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    :applaus:well done mate! sounds rapid!

    right then its Mark VS Dave Friday night! outlaw vs outlaw! FWD vs 4WD

    tickets starting from £20! Proceeds will go towards fixing my car!
    #17
  18. docurley
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    docurley Moderator Staff Member Moderator

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    Funds permitting as I need an exhaust to complete the project and fit the MAF


    LOL
    #18
  19. Soupie69uk
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    Soupie69uk Owner

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    Glad you have the bits all on Doc. Look forward to the next updates!!
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  20. docurley
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    docurley Moderator Staff Member Moderator

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    Just came back from a spin in the car and the thing keeps spiking to 22psi, I need to turn it down as it is I can feel the EBC fighting with the boost.
    #20
  21. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator

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    I think i need to watch out now !!!
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  22. docurley
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    docurley Moderator Staff Member Moderator

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    Not yet my son but soon my child.....soon :eiertritt:
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  23. dappadan786
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    dappadan786 Member

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    thats devious! :eyebrows:
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  24. docurley
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    docurley Moderator Staff Member Moderator

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    This is funny
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  25. dappadan786
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    dappadan786 Member

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    lol Doc, we all know its a GT28RS in there! :angrymod:
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  26. docurley
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    docurley Moderator Staff Member Moderator

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    I wish but then this turbo may be all I need for know.
    #26
  27. docurley
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    docurley Moderator Staff Member Moderator

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    I need to control this boost, thing was hitting 24psi last night when I went for another drive and at one point the car did not like it and would hesitate giving me boost, sort of feels like the EBC is fighting with the turbo.

    People have said on other forums that K03s and K04-15 where so similar in power it was not worth doing but this Outlaw K04 is way different, It just produces way more boost than my K03s. Can’t wait to get this mapped with the other parts I need to put on as right now it’s just crazy quick and all on a chipped K03s map.
    #27
  28. Lee Goodall
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    Lee Goodall ..got my head together!

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    Sounds good mate.. be really interested to see what figures you get after the remap. Who you going with?

    Should be getting mine done soon but other jobs keep popping up!! Gotta stick a new radiator on now as it's developed a leak:sob:
    #28
  29. docurley
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    docurley Moderator Staff Member Moderator

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    Well like you things keep popping up and I still need an exhaust to complement the whole thing and untill I can sort that out the maps on hold you never know thing always turn up.
    #29

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