Will a K03s turbo bolt onto a K04 exhaust manifold??

Discussion in 'Turbocharged, Supercharged or Nitrous !' started by Peewee01, Nov 30, 2018.

  1. Peewee01 New Member

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    I've recently purchased a 2005 vw polo 1.8t gti which is fitted with the K03 turbo I think and the only affordable manifold upgrade atm I can find is a K04 manifold... Now I know it will bolt onto the engine perfectly but my question is will it bolt onto the turbo or will I need to modify a few things??
     
    Last edited: Nov 30, 2018
  2. Richi New Member

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    Hey! I recetly bought a turbocharger , it will be bolt onto the turbo, so u dont need anything to modify. By the way,K04 is a great solution, congratulations on your purchase. :thumbup:
     
    Last edited: Mar 28, 2019
  3. welly24 Forum Member

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    k04 manifold only fits k04 turbo ,the k03 bolt pattern is different you will also need all the pipes and downpipe
     
  4. AnthonyWooten New Member

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    Search around on the ko4 swap and you will find most of your questions out. The exhaust manifold is required to mate to the ko4 along with a lot of other parts u will need. Like injectors and fuel pump and more.

    From his other thread he HAS a full k04 already bolted onto his car but the turbo failed in some way.

    I really don't know what he is trying to accomplish by putting the k03 into the k04 manifold/housing as he should have his stock turbo and just bolt it all back up.

    Anyway point is he understands everything required in a k04 swap from what I Can tell because he has already done one... this isn't about putting a k04 on it is about going back to a k03 since his k04 is busted.



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