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  1. #1

    rxt still to slow

    rxt 06 rdpowershot 42s xs c5 14/20 rdgrate riva 3inc air 8000revs 69 as advissed repitched prop and set back 3mm reduced revs by 200 added42s and riva air gained 2mph this cant be right i thought i wood see 70+ any help doods


  2. #2
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    Quote Originally Posted by seadoo rxt View Post
    rxt 06 rdpowershot 42s xs c5 14/20 rdgrate riva 3inc air 8000revs 69 as advissed repitched prop and set back 3mm reduced revs by 200 added42s and riva air gained 2mph this cant be right i thought i wood see 70+ any help doods

    Have you checked your SC slip? If you lost RPM's by adding a prop you need to repitch for 8150RPM.. Did you add a Riva rear air or 3" kit? If your still running a 3" you need to ditch and go up to a Riva rear 4" intake

    Speed comes with tuning

  3. #3
    Focker Foggy's Avatar
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    I think the 06 you want to prop for about 8100-8120 ..
    THink the soft rev limiter is kicking in by 8150-8160.

    The 69 mph speed sounds about right for
    your mods. Might get another 1+ when rpms on correctly

    added; if that's the C5 charger, then you might need more air into it.
    also, have read the powershot not that great.. maybe just use
    a rising rate fuel pressure regulator with the 42's.. Also check for boost leak maybe
    Last edited by Foggy; 05-26-2009 at 06:41 PM. Reason: adding info

  4. #4
    Prohibido usuario
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    How you checking the speed? Just curious since the speedo doesn't go above 69.

  5. #5
    with gps ithink i had a boost leek or heat fade went out after tightning up nd got 8120 didnt gps so i should gain a 1mph +

  6. #6
    runing mates riva three inch air what would 4inch give me

  7. #7
    bigbubba1989's Avatar
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    more air gain in rpm's

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