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  1. #1
    "Stick a V8 in it!"

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    A4 KKK Turbo Specs

    Okies, theres been a bit of misinformation bandied around on here my myself and others regarding the k03 turbos and what they're fitted to, and i've just come across a really good thread over on the 'zine so i thaught i'd summarise the data here.

    I'm going to list each turbo model, what its fitted to, and its compressor/turbine specs along with maximum power (although these figures are probably in silly nonsense US wheel power, or perhaps borg-warners recommended power output, its still useful for comparison)

    K03-005 - Standard fit on ALL cable throttle B5 1.8T's INCLUDING the 180hp AJL engine.
    K03-029 - Standard fit on Drive-by-wire B5's and most B6 1.8T's bar the "190" model. Similar in specifications to the normal K03 fitted to Golf/A3's
    K03-073 - Standard fit on B6 190 model. Similar in specifications to the K03s fitted to Golf/A3's
    K04-015 - Not standard fit, Borg Warner turbo designed to be a direct replacement upgrade for the longitudinal 1.8T.
    K04-020 - Standard fit on the TT/S3
    FrankenTurbo F4h-l - hybrid, see 'zine thread.

    K03-005
    Compressor Size: 36/50mm
    Turbine Size: 36/45mm
    Approx Power Rating: 150HP

    K03-029
    Compressor Size: 36/50mm
    Turbine Size: 40/45mm
    Approx Power Rating: 160HP

    K03-073
    Compressor Size: 38/51mm
    Turbine Size: 40/45mm
    Approx Power Rating: 190HP

    K04-015
    Compressor Size: 38/51mm
    Turbine Size: 42/46mm
    Approx Power Rating: 210HP

    K04-020
    Compressor Size: 42/56mm
    Turbine Size: 42/50mm
    Approx Power Rating: 260HP

    Franken F4h-l
    Compressor Size: 40/51mm
    Turbine Size: 42/50mm
    Approx Power Rating: 240hp


    So there we have it. Shows us the reasonably readily available k03-073 turbo is a nice upgrade without going to the expense of a new k04-015 too.

    References:
    http://www.audizine.com/forum/showthread.php?t=339475

    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


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  3. #2
    Lee Goodall's Avatar
    ..got my head together!

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    Very informative mate.. well done. Puts a few myths to bed lol.

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

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    Aye, just shows that the standard crappy 005 turbo we get is a puny little thing!

    Also shows why the A3/Golf crowd always seem to get more power, even on standard K03 cars.

    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


  5. #4
    2000 a4 1.8tqs-yellow

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    Good info. so going by this its hardly worth trying to find a k04 as its barely better than the k03-73? Cant be much hp to be had between them.

  6. #5
    gaz71's Avatar
    1.8T Quattro Sport AJL

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    Thanks for the info

    Just one question, are all the turbos listed interchangeable?

    Could I swap a K04-015 or K04-020 for my puny K03-005? (Obviously a bit of software tweaking and FMIC would be required)

  7. #6
    docurley's Avatar
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    You would not be able to fit a K04-020 to an A4 only the K04-15 will fit our cars.
    Black Audi RS4 2006 Exclusive edition, Black optic option (stock for now)

  8. #7
    "Stick a V8 in it!"

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    Yer the 020 is a transverse turbo, should have made that clear, its only there for comparison.

    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


  9. #8
    gaz71's Avatar
    1.8T Quattro Sport AJL

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    Thanks for that.....Right I know what I want for Valentines Day then, a nice shiny K04-15, lol

  10. #9
    Broken Byzan's Avatar
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    Scroll SP1rR will be close enough or a frankenTurbo !

  11. #10
    "Stick a V8 in it!"

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    ye Franken is $1k, but that comes with a manifold and things, so works out better value as i'm sure the 015 is around 700quid new.

    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


 

 

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