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Thread: ko3 turbos

  1. #1
    the matrix is comin

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    ko3 turbos

    does anyone know if the ko3 turbo is the same for all the vag group. the one i've found is off a AGU engine. would the make any diff to fitting.
    built in germany caressed and loved in england.

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  3. #2
    6th Gear

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    AGU is transverse set-up, so is unsuitable for your B5.

  4. #3
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    does that mean i've got to find one off a a4 b5. why wouldn't it fit as same ko3
    turbo
    built in germany caressed and loved in england.

  5. #4
    "Stick a V8 in it!"

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    K03 is just the model name, the bit after that tells you exactly what model it is.

    for instance it might say K03-025

    Any K03 from a longitudinally mounted 1.8T will fit, this means any A4, A6 or Passat

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  6. #5
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    would it be poss just to change the casing on it as the one i've seen has a longer pipe also a elbow on it. surely they can't be that much diff to them
    built in germany caressed and loved in england.

  7. #6
    "Stick a V8 in it!"

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    if it was ludicrously cheap to take a chance on it then perhaps.

    You'd have to strip both housings off, ensure the turbine and compressor are the same as whats currently on the turbo, and then refit the core to your existing housings.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  8. #7
    6th Gear

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    ^^^ And you'd need to get the whole assembly balanced.

    Get the right one, otherwise I wouldn't bother.

    If the turbine wheels contact the housings at high rpm, your engine would likely ingest bits of metal, and you'd need a new intercooler, as you'd never be able to get all the particles out.

  9. #8
    "Stick a V8 in it!"

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    well it only needs balanced if you touch the rotating assembly, ie the shaft or turbine/compressor,

    I've never actually seen a K03 in bits, but some turbos you can unbolt the compressor and turbine housings without touching the shaft or turbine etc meaning you can swap housings without having to rebalance the shaft...

    As i said though, it would only be worth messing with if the A3 turbo was ludicrusly cheap

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  10. #9
    the matrix is comin

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    found a turbo and it shuld arrive today or tomorrow with any luck. got it off a passat aeb engine. so fingers ccrossed we get it running again
    built in germany caressed and loved in england.

 

 

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