Fuel mods to run a turbo?

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  • ajd_no1
    S2Forum Tinkerer
    • Nov 2009
    • 3
    • Country: New Zealand

    #1

    Fuel mods to run a turbo?

    Do I need to do any fuel upgrades to run 5psi of boost in a 2.3l 5 cylinder from a 1995 Audi A6 c4
  • 20vQC
    S2Forum Maniac
    • Aug 2007
    • 684
    • Current: Italy

    #2
    of course... maybe bigger injectors, retard just a bit your ignition to avoid knock, and then during tuning reach 12:1 A\F ratio under boost
    - Looking for a S2
    - Lancia Dedra HF turbo i.e. (4sale)
    - Typ89 Coupè quattro, 20Vt AAN, VEMS, K24-7000@1.3bar (scrapped )

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    • K Simmonds
      S2Forum Zealot
      • Dec 2007
      • 7627
      • Country: Wales

      #3
      If I'm not mistaken that would be the 10V NG motor. Which is K Jetronic so you can alter the fuelling by adjusting the metering head as opposed to changing the injectors, especially if your only planning on running 5psi or so of boost. As 20vQC pointed out you will need to retard the ignition timing.
      1990 B3 2.0 80 quattro.
      1992 C4 2.8 Avant quattro
      1994 MTM RS2.
      1998 B5 TDI quattro Sport.
      2000 B5 TQS.

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