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  1. #1

    Exclamation ran my rxp with x charger and 42's with stock impeller in salt water only 8100 rpm

    i was told with my stock impeller from a 07 rxp i will be on rev limiter with the x charger an the 42's.... im barely getting to 8100 rpm?


  2. #2
    b_dolla44's Avatar
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    Quote Originally Posted by bksbigboy69 View Post
    i was told with my stock impeller from a 07 rxp i will be on rev limiter with the x charger an the 42's.... im barely getting to 8100 rpm?
    More info please....
    What were your previous rpms with oem charger?
    what intake are you running?
    My guess is, you have a boost leak.....

  3. #3
    previous oem charger was at 7800 rpm. stock intake . EVERYTHING on the ski except the x charger and the 42s is bone stock its an 07 btw

  4. #4
    Everthing louder than everything else! sHALlow's Avatar
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    good news is that you went up 300 rpms so something is working, me thinks your stock air intake system is severly choking your boost potential/rpm

  5. #5
    Fastest in my cove sfackett0's Avatar
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    could be humidity/heat

  6. #6

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    300 RPM is more than I got-- sounds like you got something right.

  7. #7
    !!!! wave jumper !!!! 05_RXP's Avatar
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    My guess would be humity/heat and the stock air box is reducing air flow

  8. #8
    Water4fire's Avatar
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    You could have got away with your stock 38's/! We used to run stg III SCers with External IC's with stock 38's. SO why the need to up to 42's with just a SCer swap?

    /

  9. #9
    because everyone on the forum said to run the x charger i needed the 42 lb injectors

  10. #10
    Fastest in my cove sfackett0's Avatar
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    Quote Originally Posted by bksbigboy69 View Post
    because everyone on the forum said to run the x charger i needed the 42 lb injectors
    if you are also running a 4" intake and a external innercooler

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