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Thread: x charger

  1. #1

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    x charger

    a buddy of mine has a bone stock 07 rxp with metal washers added, he is nearing 100 hrs and is contemplating supercharger upgrade to x charger rather than rebuild his with the oem rebuild kit, if he does upgrade charger is stock injectors ok and will stock prop be ok,


  2. #2
    Eric Ocman's Avatar
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    He will need 42lb injectors and prob have to tweak his prop.

  3. #3
    PHONE BOY2369's Avatar
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    Yes the stock injectors are fine but he will have to add some pitch to the prop.

  4. #4
    Moderator Snoman's Avatar
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    Quote Originally Posted by Ocman View Post
    He will need 42lb injectors and prob have to tweak his prop.
    +1.....

    Quote Originally Posted by calendine2369 View Post
    Yes the stock injectors are fine but he will have to add some pitch to the prop.
    Im pretty sure hes gonna need 42s..38s will be to lean especially at WOT..

  5. #5
    TheElite0ne's Avatar
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    Quote Originally Posted by calendine2369 View Post
    Yes the stock injectors are fine but he will have to add some pitch to the prop.


    False.

    x-charger on a 215 motor with stock 38lb injectors will run lean.

    He doesn't have to re-pitch the prop... he'll be on the rev limiter some and will just be leaving some speed on the table. Yes its ideal to tweak the prop to get the most speed out of it... but the ski will still be rideable

  6. #6
    mini73's Avatar
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    I did this same exact thing not to long ago and rode all day Saturday last weekend with no problems. I know it was probably not running as fast as it could with the stock injectors but it still ran pretty fast. I change out my SC with a new X-cahrger also. I am going be putting on a XS intercooler, Riva intake grate, 42 injectors, rear air intake, 15/22 prop (tweaked to get good RPM) and a RRFPR. I have been told that this is a good setup and it is the direction that I am going in to modding my RXP.

  7. #7
    TundraLu's Avatar
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    Quote Originally Posted by mini73 View Post
    I did this same exact thing not to long ago and rode all day Saturday last weekend with no problems. I know it was probably not running as fast as it could with the stock injectors but it still ran pretty fast. I change out my SC with a new X-cahrger also. I am going be putting on a XS intercooler, Riva intake grate, 42 injectors, rear air intake, 15/22 prop (tweaked to get good RPM) and a RRFPR. I have been told that this is a good setup and it is the direction that I am going in to modding my RXP.
    Wow you took a chance. That mistake could have cost you thousands of dollars over a few hundred on injectors. Rememeber Lean is Mean and Rich is a B.tch .

  8. #8
    b_dolla44's Avatar
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    I have personally never ran this set up...
    But according to jerry you can run a x charger with 38s as long as evrything else is 100% stock...meaning stock air box and all...
    I would also like to say I would never chance it though...

  9. #9
    Moderator Snoman's Avatar
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    Quote Originally Posted by b_dolla44 View Post
    I have personally never ran this set up...
    But according to jerry you can run a x charger with 38s as long as evrything else is 100% stock...meaning stock air box and all...
    I would also like to say I would never chance it though...

    +1...Not something i would want to chance either...Especially in cooler temps..

  10. #10
    Sturm215's Avatar
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    at least purchase a Rrfpr but if you do that might as well get 42's cheaper. I do know that if you do go x charger and 42's and 4 inch intake.. it will start to lean out too much.. at least thats what I am witnessing. Play it safe brother.

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