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  1. #1
    Active Member Two Rings
    Join Date
    Aug 04 2015
    AZ Member #
    My Garage
    2004 A6 2.7T/5HP19, 2006 A4 2.0T K04/01E, 2009 A4 2.0T Stock
    New Windsor, New York

    2004 2.7T -> 2000 4.2L Widebody car.. easy? Or just find an 03-04 V8 car?

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    So, as the post says.. I'm looking at swapping my engine into a widebody car. I found a 2000, but I know '03-'04 was partially CAN bus.

    What are my options? BEL engine with K04s.. I doubt my XS Power downpipes will clear the 5HP26, but can someone say for sure? I don't mind bending them if I have to.. or even putting some 'clearance' into them, 3" is overkill anyway.

    Will my ECU talk to the 2000 TCU or ABS computers? Any other pitfalls in using the 03-04 ECU?

    Any other pitfalls I should watch out for at all?

    Current garage:
    2004 A6 2.7T/K04/3" Catless DPs/550cc injectors
    2006 A4 2.0T/K04/factory HID/manual trans (Prestige car? Has wood trim, memory seats, and HIDs)
    2009 A4 2.0T Stock

  2. #2
    Veteran Member Four Rings JPJ2007's Avatar
    Join Date
    Apr 15 2009
    AZ Member #
    Middle TN

    You're in the wrong sub forum. You're looking for C5, and this is C6 for 2005-2011
    2006 A6 3.2L Quattro S-Line (got my baby back)

  3. #3
    Veteran Member Four Rings Nollywood's Avatar
    Join Date
    Nov 03 2011
    AZ Member #
    My Garage
    B6 Avant 420-R, Toyota Runx 1.4 16V
    Manitoba, Canada.

    Those downpipes won’t clear the tiptronic transmission. You won’t be bending them to clear either, they’re so far out.

    You’ll need the correct pipes, C5 A6 2.7T tip. items.
    2003 B6 Audi A4 Avant Quattro Sport | 3.0 V6 | 6MT | Denim Blue Pearl | B6 S4 “Black Optik” Grille | Votex Kit | Black Leather - Part Out.

    2012 B7 Seat Exeo ST Sport Tech | 2.0 TDI 170 | 6MT | Phantom Black Pearl | LED DRL’s | Bi-Xenons | AFS | LED Tails | LED RNS-E | AUX / iPod Input | Black Leather | Multi-Function Steering Wheel | Rear PDC.

    2002 Toyota Runx |1.4L DOHC 16V Auto.


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