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ko3 to ko4???

Discussion in 'A4/S4 forum(B5 Chassis)' started by spnorris, Nov 4, 2007.

  1. spnorris
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    spnorris New Member

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    [Nov 4, 2007]
    is it possible toswap the origanal turbo on my b5 1.8t quattro for a ko4 turbo? if is, how difficult?
    #1
  2. Markey
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    Markey Active Member

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    [Nov 5, 2007]
    yes not that much i just done it see my "bit of a project going2 on thred in this sub forum
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  3. macca
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    macca Member

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    [Nov 5, 2007]
    make sure you geta k04-015, someone please confirm, as the others won't fit!
    #3
  4. jcb
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    jcb Active Member VCDS Map User

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    [Nov 5, 2007]
    think you need a different manifold...or maybe I am thinking about the transverse engines.

    but yes, you need a XX15 version for longitudinal engines.
    Try German eBay
    #4
  5. Soupie69uk
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    Soupie69uk Owner

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    [Nov 6, 2007]
    The standard manifold fits the K04-15. Just need to get the new gaskets and the turbo.
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