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  1. #1

    Which brand of turbo?size?

    Hi guys!
    i just bought a used '06 rxp with a low hour rebuild motor.The motor is upgraded with the following parts:

    Rotax racing lightweight crank and balancer

    Wiseco pistons

    Rotax racing thermo

    Rotax racing chain tensioner

    Rotax racing 61mm throttle body

    Aluminum Intake Manifold

    60 lbs injectors

    Rotax racing 8800rpm ecu

    Walbro 255 pump

    I already have a 14/19 3blade and a 15.5/22.5 3blade skat trak.Which impeller should i use?

    I want to go turbo and i would like to know which brand should i choose and why.I want a zero lag motor!

    Please give me your experienced opinions!

    Thank you!

  2. #2
    Eric Ocman's Avatar
    Join Date
    Aug 2008
    Cataula, Georgia, United States
    Precision 5830 is what several run. You can search here and find all the info bro.

  3. #3
    83.0 @ 8400 jhill19's Avatar
    Join Date
    Jul 2010
    Teays Valley, West Virginia
    And you'll prob end up using the 15.5/22.5 skat.

  4. #4
    Orlando Shark's Avatar
    Join Date
    Mar 2009
    Miami, FL
    Borg Warner EFR 6758, read up on it.

  5. #5
    Autism Speaks. Its Time To Listen gOt BoOsT's Avatar
    Join Date
    May 2011
    Quote Originally Posted by ImAShark View Post
    Borg Warner EFR 6758, read up on it.
    +1 efr units are top notch, but turbos have to be spooled by exhaust gasses so you will always have lag.

  6. #6
    home of the dislexic fingers breon's Avatar
    Join Date
    Aug 2007
    port st lucie fl
    it is all in my buiild thread...gtx 30 76 r

  7. #7
    So my choices are precision 5830,borg warner efr 6758 and garrett gtx 3036r.The advantage of the efr is that i don't need an external wastegate.
    For everyday use which range of psi do you advise to run the turbo without sacrifying the health of the motor?
    For the tubing should i give attention to something?The exhaust for example that will be a straight pipe could possibly cause the entrance of water when a give up the throttle?
    The 60lbs injectors and rotax ecu will run ok without the need of a riva rrfpr or a begi?Should i change something?I have also one set of 75lbs injectors.

    Thank you for the support!

  8. #8
    home of the dislexic fingers breon's Avatar
    Join Date
    Aug 2007
    port st lucie fl
    you need to go look through some of the build threads on the prodject threads..i think it will answer alot of your questions..
    there are 3 or 4 other than mine...

    forget the begi ect power comander will have a fuel tuner avalible befor you have the turbo set up done..

    and i miss typed ..i do that ..i am running a garrett GTX3076R with a tial ss housing..and a tial waist gate

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