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  1. #1
    Turbofab's Avatar
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    Need your opinions on Supercharger

    Hey guys I have a 05 rxp with a factory 215 charger. Should I upgrade the wheel or should i get an X charger and then go from there??? also if

    I do decide to go X charger should i get 42lb injectors with it.


  2. #2
    Mothman's Avatar
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    The x charger, 42s and a decent ic. Also, a 4 inch intake will really help it breathe. You'll need a new impeller with these changes though.
    The x has a few wheel and spacer options for (possible) future upgrades!
    I cannot remember if the 05s' valves were problematic. If so, it's worth tearing down and replacing them before bad things happen.

  3. #3
    Turbofab's Avatar
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    Quote Originally Posted by Mothman View Post
    The x charger, 42s and a decent ic. Also, a 4 inch intake will really help it breathe. You'll need a new impeller with these changes though.
    The x has a few wheel and spacer options for (possible) future upgrades!
    I cannot remember if the 05s' valves were problematic. If so, it's worth tearing down and replacing them before bad things happen.
    Yea the ski has a few mods already, riva intake, 14/19 repitched, OPAS block offs. Valves are getting done next. will 42s with a stock computer be ok? I plan to upgrade to a 4in intake.

  4. #4
    Boost-A-Holic's Avatar
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    Quote Originally Posted by Turbofab View Post
    Yea the ski has a few mods already, riva intake, 14/19 repitched, OPAS block offs. Valves are getting done next. will 42s with a stock computer be ok? I plan to upgrade to a 4in intake.
    as long as a you have a way to monitor your AFRs and adjust the fuel youll be fine. AFR gauge and a fuel pressure regulator along with the 42s would be a solid setup for the X-charger with stock wheel. Im runnin 50s on my ET-137 set up and im lovin it.

  5. #5
    pete71's Avatar
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    Save your cash and just buy the ET 127 wheel , better than x charger

  6. #6
    monaroman76's Avatar
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    Depending on how many hours your supercharger has done, I would do one of the following:
    If it is low hours, less than 50 or so, buy the et127.
    If it is nearing 100 hours, just buy a brand new x charger.

    With either one, 42# injectors will be fine. No need to monitor afrs, this setup has been done a 1000 times.

  7. #7
    monaroman76's Avatar
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    And yes, 42's and your stock Ecu will be fine, it will idle a little rich is all.

  8. #8
    Turbofab's Avatar
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    supercharger was rebuilt 12hours ago so she pretty much new. so et127 wheel. later on don the road is there anywhere to upgrade or would i need to get a xcharger then.

  9. #9
    monaroman76's Avatar
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    The et127 is the best charger you can get for a 127mm housing, if you are thinking future upgrades, the x charger may be a better option. Otherwise down the track you could just buy a complete charger with 140mm housing, ie rude2, et68-140, etc.

  10. #10
    RXPJAY's Avatar
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    ET127 wheel!! 42's, 4" air and you will need to pitch or buy 15/20. EXT IC should be on your list too!!! Just put this set up on my ski.

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