Quick wastegate spring question!!

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  • merlin's S4
    S2Forum Extremist
    • Jan 2005
    • 1539
    • Country: United Kingdom

    #1

    Quick wastegate spring question!!

    Hello guys! I'm desperately trying to investigate the problems with my S4 today (what a way to spend your day off!) and all I need to know is should a stiffer wastegate spring make more boost on a standard ecu or would the ecu have to have a different chipset to allow more than the standard max boost? I'd be very grateful for an answer asap thanks!!
    '93 S4 Avant now back on the road complete with new shiny go faster bits.
  • Ski
    S2Forum Fiend
    • Jan 2004
    • 2591
    • Home: Poland Current: United Kingdom

    #2
    I tried a harder spring on standard ecu and all i got was overboost protection kicking in. You will need your ecu mapped to allow more b00st.

    wait a minute, did u say s4? who let you in here? (jk)
    ABY Coupe
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    • martinjs
      S2Forum Possessed
      • Jul 2003
      • 3205
      • Country: England

      #3
      Yes it may give slightly more boost, but should be mapped to suit whatever spring your using. I saw a rise of about 0.3bar but it ran like c**p.

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