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  1. #1
    johnyj's Avatar
    1st Gear

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    Smile whats the difference?

    have just noticed (yeah i know) that the s3 is a 18t what is the difference between that and the 18t a4
    is it turbo ecu or something else?

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  3. #2
    jcb
    6th Gear

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    about 45 bhp in quattro form

  4. #3
    "Stick a V8 in it!"

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    the turbo is the KKK04 as fitted to the TT225 and the ECU map is different to suit. The injectors will also likely be larger than the A4 engines.

  5. #4
    Markey's Avatar
    6th Gear

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    Not 100% correct above, depending on year etc.

    The TT and S3 use the K03s turbos and have very different maps with steel pistons and i think the crank as well.
    A4 Avant project now started ! see this thread ! http://www.audi-sport.net/vb/a4-s4-forum-b5-chassis/43296-bit-project-going.html
    If you think my post had a usefull purpose please say thanks

 

 

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