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c5 s6 4.2 manual swap ecu tuning?

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  • c5 s6 4.2 manual swap ecu tuning?

    hello all! i just completed my 6 speed swap in my 2003 4.2l s6. currently running oem euro manual file. i find the file a bit flat. Previous, when automatic, it was MTM tuned and was quite a bit snappier. But, they wont update my file for me. Does anyone tune these any more? would really like the car tuned again........ and, I'm in the usa..... no one here does anything for this car anymore...... thanks all!

  • #2
    Have you tried Marc at EFI express?
    It's a love/hate relationship with the S2,i love it,it hates me

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    • #3
      i havent..yet. was going to send an email manana!

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      • #4
        Marc, definitely.

        Greg W.
        They can have my car when they pry my cold dead fingers from the steering wheel.

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