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  1. #1
    pedro15's Avatar
    Join Date
    Jul 2014
    SW florida

    rxp impeller question

    my rxp has a solas 14/19 @ 7700rpm with intake and exhaust. I will be installing over the weekend 42lb injectors and an ET 127. My question is, If that mod will bring my rpms to 8100 or i will turn much more and hit the rev limiter. i know it has been said that with that set up i need a 15/20 but since my rpms are soo low with my current set up im thinking it could work. What do you think??? thank you

  2. #2

    Join Date
    Mar 2006
    you will not pick up 400 rpm with the 42s and et 127. Don't even think about the 15/20 until you add an external intercooler.

  3. #3
    ncdoo's Avatar
    Join Date
    Nov 2007
    Eastern NC
    What other mods do you currently have? You should be turning 8100 if your setup is close.

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