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  1. #1

    which best rxpx s/c impeller

    rotax 11.2 @ 8100
    riva 11.7 @8100
    Engin tech 12.5 @ 8100

    engin tech impeller and spacer is more psi
    but no side effect of engin tech impeler

    so what impeller do you Recommend

    if i install engin tech sc impeller and spacer or other to my rxpx

    do i need 50 injector with stock ecu
    or need rrfrr
    or need both injectors & rrfrr


  2. #2
    rxpxseadog's Avatar
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    Quote Originally Posted by forman View Post
    rotax 11.2 @ 8100
    riva 11.7 @8100
    Engin tech 12.5 @ 8100

    engin tech impeller and spacer is more psi
    but no side effect of engin tech impeler

    so what impeller do you Recommend

    if i install engin tech sc impeller and spacer or other to my rxpx

    do i need 50 injector with stock ecu
    or need rrfrr
    or need both injectors & rrfrr
    This link may help you: http://greenhulk.net/forums/showpost...4&postcount=39

  3. #3
    any one can help

  4. #4
    SeaGoat's Avatar
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    Very few people have modded the SC on their X ski's. The few that have posted about it are running the Riva from what I can tell.

  5. #5
    thanks SeaGoat

  6. #6
    Antiguan FZR's Avatar
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    The X charger creates good boost but put in the Riva X charger upgrade and you will have noticeable results. You could also go Rude 2 for even more, either way you will need to ensure you have proper fuel requirements or your engine may break.

  7. #7
    but engin tech empeller & space is much cheeper than 2 rude super charge
    and i will stay with the stock ECU

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