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Thread: Boost question

  1. #1
    2008 RXT outonalimb's Avatar
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    Boost question

    I have a RR charger wheel. I need to know if the X Charger wheel has bigger boost? And what would be the next step up from a RR wheel? I currently have a 4" intake 14/19 r prop, and the RR wheel. GPS is 68mph.

    What is the biggest wheel with 42lbs injecters and no rrfpr? By the way I have a 215 RXT...

    Thanks for your help.... BOB


  2. #2
    Moderator Snoman's Avatar
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    If you have the first generation 127mm RR wheel then youll see right around 9 lbs of boost were on my wifes ski with an X charger,shes seeing 11.2 lbs of boost at 8040..The next step up would up would be the X charger..IF your running with no external ICer then you can run 42s without a RRFPR..BUT i would still check your AFRs...

  3. #3
    westy's Avatar
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    Heres a thread with a few comparisons on chargers

    http://www.greenhulk.net/forums/show...OST+COMPARISON

  4. #4
    2008 RXT outonalimb's Avatar
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    Smile

    Thanks for great info.....bob

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