Vems Help....

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  • Tuna
    S2Forum Fanatic
    • Jun 2008
    • 80
    • Country: Sweden

    #1

    Vems Help....

    Hi.

    I've just begun to familiarize myself with VEMS.

    could anyone help me with a starting map that is suitable for a audi S2 (3b) with the RS2 setup and the orange porsche injectors (511ccm) ?

    how can I change the flow to the injectors in vemstune ?

    Regards
    Johan
  • Bram
    S2Forum Fiend
    • Aug 2006
    • 2582
    • Country: Netherlands

    #2
    Originally posted by Tuna
    Hi.

    I've just begun to familiarize myself with VEMS.

    could anyone help me with a starting map that is suitable for a audi S2 (3b) with the RS2 setup and the orange porsche injectors (511ccm) ?

    how can I change the flow to the injectors in vemstune ?

    Regards
    Johan
    With the parameter req_fuel you can dial in the general flow of fuel from the injectors according to the fuel pressure regulator you use. My engine has a 3.8 bar FPR and the req_fuel setting is now on 4.2 using 630ccm injectors. I think on the VEMS site or on EFIexpress.com there are some calculation methods to define the VE value. If the car starts, idles and cruises fine (check lambda all the time) you can start fine tuning the fuel tables.

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