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  1. #1

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    New mods, no increased performance.

    Put the scom on, pump seal kit, and anti cavitation cone on my 300 and actually saw slower speeds. 68.5 to start the day on a full tank, and 69.8 almost on empty. 69.5 stock. Pretty calm, but the water and air temps are both in the 90's so Im wondering if that has something to do with it?? Also, does the anti cav cone hurt your top end? I also didnt see any gains on holeshot either. Everything is tight, and connected and looks fine. Thoughts??


  2. #2
    97modman's Avatar
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    The Temps are killing your performance..

  3. #3

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    Quote Originally Posted by 97modman View Post
    The Temps are killing your performance..
    Yeah, thats what I was thinking, but just wanted some feedback. Its freaking hot as heck!!!!

  4. #4
    97modman's Avatar
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    Quote Originally Posted by spinaker View Post
    Yeah, thats what I was thinking, but just wanted some feedback. Its freaking hot as heck!!!!
    your not kidding, i walk out onto my boat dock to fire up the boat and it feels like a Sauna..not jumping in my lake either to many gators lately..

  5. #5
    Take the time to smile sirbreaksalot's Avatar
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    Quote Originally Posted by spinaker View Post
    Put the scom on, pump seal kit, and anti cavitation cone on my 300 and actually saw slower speeds. 68.5 to start the day on a full tank, and 69.8 almost on empty. 69.5 stock. Pretty calm, but the water and air temps are both in the 90's so Im wondering if that has something to do with it?? Also, does the anti cav cone hurt your top end? I also didnt see any gains on holeshot either. Everything is tight, and connected and looks fine. Thoughts??
    what RPMS are you seeing

    NO the heat is not the full problem !!!

    i was just in the states , all over as well , and rode modules 300x in that climate that still do 8100rpm and 73mph

    i think your module is working correctly or its not connected right


    Waz

  6. #6

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    Quote Originally Posted by sirbreaksalot View Post
    what RPMS are you seeing

    NO the heat is not the full problem !!!

    i was just in the states , all over as well , and rode modules 300x in that climate that still do 8100rpm and 73mph

    i think your module is working correctly or its not connected right


    Waz
    Its a pretty straight forward plug in you know? Not much to screw up really. Seeing 7700 rpms, same rpms. and speed as stock. Ever heard of a bad scom?

  7. #7
    I'm running about 7700-7800 rpms and best speed is 72.1 but it was also fairly warm.

    Quote Originally Posted by spinaker View Post
    Its a pretty straight forward plug in you know? Not much to screw up really. Seeing 7700 rpms, same rpms. and speed as stock. Ever heard of a bad scom?

  8. #8
    my 300 is pretty much stock, and in 80 degree low humidity i'm seeing 72 at 7,950, in 100 degree high humidity, i'm seeing 70+ at 7,850.

  9. #9

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    Go back to scrom only and re-test.

  10. #10

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    Ok, I went and added the washer mod today and retested. Saw 8000 rpms for a few seconds but really held steady at about 7850- 7900 rpms. Speed was 69.8 which is still same as stock, but saw higher rpms. Cruise control still works also, but the speedo is way off now as I expected. Same water and air temps so im not sure if the scom is not working properly or what the deal is. If the scom is not working properly, would the ecu produce a code of some kind? 7 hrs on ski, and the ski is runnung fine, just low on top end. Could the anti cav cone cause a drop in top end? Thoughts??? Thanks fellows

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