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  1. #1
    rick xp's Avatar
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    Supercharger sizes for 4-TEC's

    I got bored and have made a list with supercharger sizes and approx boost pressure on stock intake manifold, cams, etc.

    If anybody has some more reliable results that are not showing on here speak up.

    Thanks Blue Thunder will add shortly..

    Mini Rude = 12 @ 8100 RPM



  2. #2
    idoodou's Avatar
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    nice chart very helpful have you tested glen perry's stock unit coated internally with his specail coating it works great on my ski added about 1.5 mph over stock the mid range responce is quick

  3. #3
    KC Blue Thunder's Avatar
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    +1 on the chart. Little info. Mini Rude 8100 = 11.9. 8140-8160 = 12.5 stock ECU

  4. #4
    danieletrono's Avatar
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    Lease add tese...

    Rotax racing high boost with space offshore 137 mm @8800 15,60 psi *
    Rotax racing high boost wheel for cc 140 mm * * * *16.95 psi *at 8800 rpm

    thanks

  5. #5
    sp_RXP_GR's Avatar
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    Quote Originally Posted by danieletrono View Post
    Lease add tese...

    Rotax racing high boost with space offshore 137 mm @8800 15,60 psi *
    Rotax racing high boost wheel for cc 140 mm * * * *16.95 psi *at 8800 rpm

    thanks
    There is not rotax racing 140mm impeller!!!

  6. #6
    Eric Ocman's Avatar
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    Re: Supercharger sizes for 4-TEC's

    Blue, how much of a difference could you feel when you put the minirude in?

  7. #7
    KC Blue Thunder's Avatar
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    Quote Originally Posted by Ocman View Post
    Blue, how much of a difference could you feel when you put the minirude in?
    I like the Mini Rude I have a stock ecu and seen solid 12.5 at 8140-8160. Doel had one too and his was bossting to 14.00 with aftermarket ecu. I believe the Mini Rude deserves a spot between the Rude 1 and 2. Great upgrade from the X wheels.

  8. #8
    danieletrono's Avatar
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    Quote Originally Posted by sp_RXP_GR View Post
    There is not rotax racing 140mm impeller!!!
    Yes there is. It is a new product for cloused corse. Also possible to have watercooled. Psi are written. I am sure. I have prixes here inmy email

  9. #9
    sp_RXP_GR's Avatar
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    Quote Originally Posted by danieletrono View Post
    Yes there is. It is a new product for cloused corse. Also possible to have watercooled. Psi are written. I am sure. I have prixes here inmy email
    you re wrong...the new RR is 139mm with new blade desigh
    and its not out yet...

  10. #10
    danieletrono's Avatar
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    My info are from jean marc easy ryder..... I have the excel prices and it is written140 , clouswd corse and psi as before. Give me pm your email and i will send you. I do not bs!

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