1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

SERIOUS UPGRADE QUESTION

AUDI TURBO Apr 5, 2008

  1. AUDI TURBO

    AUDI TURBO Member

    577
    0
    16
    WOULD I FEEL ANY DIFFERNCE GETTING A NEW KO3 TURBO?? AND IF I GET JUST A UPRATED EXHAUST MANIFOLD WHAT BHP INCREASE WOULD I EXPECT??
     
  2. AUDI TURBO

    AUDI TURBO Member

    577
    0
    16
    found a good manifold on ebay for about £200.00. and checked turbo last night where my acuator rod joins to turbo it loose hte washeres etc knackered so no way is that tubo
     
  3. AUDI TURBO

    AUDI TURBO Member

    577
    0
    16
    so no way that turbo giving full power. grrrrrrrrrrrrrrrrr good excuse for upgrade though
     
  4. macca

    macca Member

    525
    0
    16
    with a ko3 not sure any other manifold will see much benefit.

    i think i'm right in saying that it's preferble, but not always possible, to get a equal length manifold.

    usually going for a really free flowing larger ported manifold isn't always desirable as i think you need to keep the air pressure/flow higher through the exhaust system to the turbo. (imagine a river that narrows, the water flow will speed up throught he narrow section, which when applied to air in a turbo system, means the air will speed up and drive the turbo)

    any way i'm in no way a fluid dynamics expert and i'm sure someone more knowledgable will make a comment.

    the biggest concern on manifolds i think on the a4 turbo is that they are prone to cracking.
     
  5. docurley

    docurley Moderator Staff Member Moderator

    4,060
    82
    48
    if you upgrade to a K03 then you want the K03s as you could yeild about 210-220bhp with the correct map but to be honest it not worth it just go bigger or have the K03 upgraded or just fix the Actuator rod and see how you get on from there.
     
  6. AUDI TURBO

    AUDI TURBO Member

    577
    0
    16
    ok ko4 it is thanks chaps. and yes injectors and remap.
     
  7. AUDI TURBO

    AUDI TURBO Member

    577
    0
    16
    or if im low on cash ill get a ko3s turbo i dont want HUGE power. any links for a ko3s turbo?? and would that turbo be straight swap?? and would new manifold benifit more on ko3s?
     
  8. billybravo

    billybravo Active Member

    1,045
    0
    36
    what about that guy in poland who does the better housing on your std turbo?? think Byans had one.??


    that might be a way of going?
     
  9. Broken Byzan

    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User quattro Audi A4

    13,224
    464
    83
    Unless you are going to get a Huge turbo, a manifold will not yield any increases, in fact it will probably lose you torque and power as its the turbo that runs out of puff long before the manifold becomes a problem. If you contact Mark @ backdraft motorsport he can do you a ko3s for around £299 brand new iirc, that and a new map will net you around 220 i would think. If you do not get it mapped, it will feel faster but will actually only nett a small increase. I put a K04-15 on a K03 map and only gained 6 bhp
     
  10. docurley

    docurley Moderator Staff Member Moderator

    4,060
    82
    48
    Will this help

     
  11. jcb

    jcb Active Member VCDS Map User

    4,132
    12
    38
    I would have thought 475cc injectors would be stretched with a 3071 (and I wouldn't use them personally on a 28rs either) go with 550cc or 630cc for some scope to up boost
     
  12. docurley

    docurley Moderator Staff Member Moderator

    4,060
    82
    48
    This info may help

     
  13. macca

    macca Member

    525
    0
    16
    damn looks like i'll be maxing the 1680cc injectors out at a 100% duty cycle with my setup then :racer:

    just kiddiing.
     

Share This Page