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  1. #1
    hkss's Avatar
    Join Date
    Oct 2014
    Germany Karlsruhe

    A question arises about fuel consumption

    I want to build my ski for rec and fun racing with a littel nose up from the stock ones.
    I have stock fuel pump and stock fpr.
    To hold the tunes on the safe side, I mount the vt1100 in
    and I will be start and going on with a 8375 vt11xxxxxx tune file.

    At the moment I start with all the mods (see in my signature) in the new season.
    I do auto datalogging all the time - maybe later I have other questions....
    ...but at the moment a question arises about fuel consumption with vt11 injektors and Impeller.

    In my vacation late summer we want to do some long distance rides about 90miles.
    Last year all bone stock - I can do this easy with one fuel tank (RXT-Xas = 18gal).
    I drive all the way with ECO around 6000 - 6.500rpm and the stock impeller 14/25.

    This year with the 15/20 and vt11, I guess I will need much more fuel at the same rpm and distance.

    What do you think?

    (to ignor water/wave conditions)

  2. #2
    boost junkie skidoochris's Avatar
    Join Date
    Mar 2012
    Davison, Mi
    if the vt1100 tune is correct it should not use any more than the stock tune did in eco mode
    when your at low rpm you have low/no boost and the motor can run very lean with out damage
    bigger injectors can flow more fuel at lower fuel psi but that does not mean they have to

  3. #3
    Branden's Avatar
    Join Date
    Aug 2014
    Cape Coral, Fl
    I can still get my ski to run that far if I absolutely keep it out of boost the whole time And I have a 16 gallon tank.

  4. #4
    In eco mode the ski runs a LOT leaner then it does in normal mode.
    So if you gonna use it for long trips, LOG it , this goes for stock and tuned machines.

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