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  1. #16
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    The 300x is for sure more powerful. Shauns reads definitly make more power on top i gaind 400 rpm on top from stock 250 reed cages the throttle body doesnt make that much difrence on its own being that the reeds on a stock motor just cant swallow the (cfms) extra air. The most bang for your buck that will blow your mind will be a lightend flywheel and a hydrotech tuner shaun can get all of that done for u also very important to get the most from the tuner u need a simon poppet diverter u will remember me once u do these 3 things
    [IMG]pictures[/IMG]
    21 stallion 300x (sold) 92 mph
    21 spectre twin 2.4 efi ( R.I.P.) 106mph
    21 xtreme cat 300x ???
    24 pantera open fish twin 2.4 efi ??

  2. #17
    Join Date
    Apr 2001
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    Daytona Fl.
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    I've had dozens of 300's on 21 Liberators. They both run well, but I get another 1-2 mph out of the 300xs. The midrange seems stronger on the 300xs. The 300x turns more rpm, so you can run a smaller prop which may give you more acceleration. If you run the same prop on both, the XS will be a bit faster. That's on a 21 Liberator. On other boats it may be different.
    " IT'S NOT HOW FAST YOU ARE, IT'S HOW COOL YOU LOOK!!! "

    Check out my new website. (IN PROGRESS) liberatorpowerboats.com



    Things owned. NOTHING!!
    Ain't got no toyz, Ain't got no money! I is jus a poor Florida boy!

    Visit My Liberator and Checkmate Boats Website

    Rent our Log Cabin in Pigeon Forge, TN. http://www.vrbo.com/419205

  3. #18
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    Shaun is building me pair 3 litre with 3.2 xs cranks , close to 370 hp , will keep posted as my 32 skater will be ready spring 2011

  4. #19
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    I went from '98 Pro Max 300's to '03 300X motors on a heavy MAGNUM Sedan 71 GPS to 79GPS Guido

  5. #20
    Join Date
    Feb 2004
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    Palm City Fla
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    Quote Originally Posted by Liberator*21 View Post

    Wonder if anybody has been playing with reed cages trying to get a little more past them

    There's probably a guy in Key Largo thats smart enough to bring the reed valve into the next phase of development ..
    Lets say there were some flow bench developed , billet blocks available , do you think there would be a market for them ?
    The stock blocks with every other rib removed have proven to pick up airflow on the bench , but in the real world there may or may not have the time to open and shut the larger , heavier and stiffer reed to take advantage of the added volume of media ( air / fuel and oil)they have the potential to blow once open and stable ...
    Once winter is over in a few weeks .. maybe we can have some solid data to bring to the table ...


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