throttle butterfly

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  • cooperquattro
    S2Forum Maniac
    • Jan 2011
    • 815
    • Country: United Kingdom

    #1

    throttle butterfly

    Inside the throttle body on the butterfly there is a portion of metal that screws onto the butterfly itself,what affects will this have on the engine if it was removed,it looks like it stops the airflow or does it deflect it in some way??
  • quattrostyle
    S2Forum Zealot
    • Oct 2006
    • 6229
    • Country: Netherlands

    #2
    Wondered when this question would come along, had the same question but never asked about it. Removed it on my old S2 though.

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    • Ryss
      S2Forum Addict
      • Nov 2009
      • 233
      • Country: South Africa

      #3
      I think, it's there to smooth airflow between idle and throttle starting to open.

      I further believe that in a NA motor, throttle body makes no difference. I am running a twin throttle body system on a 7A and it gives 2.5 Kw.

      On A turbo set up with forced air induction, and unless you plan on running to 10000rpm, throttle body makes very little diff. But thats just my logic at play and it may be way off.
      Regards
      Ryss
      www.autostart.co.za

      Comment

      • G60Rallye
        S2Forum Extremist
        • Dec 2006
        • 1321
        • Country: United Kingdom

        #4
        The wedge acts to reduce airflow when the throttle is just opened. It smooths out the throttle so its not as jerky at the top of the pedal.

        I have removed it on a few different cars and it does make the throttle more jerky when you are on and off.

        Comment

        • cooperquattro
          S2Forum Maniac
          • Jan 2011
          • 815
          • Country: United Kingdom

          #5
          Ok thanks guys,I thought it might be some kind of restrictor,I will leave it alone

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