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Thread: Prop?

  1. #1
    Ramps's Avatar
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    Exclamation Prop?

    Hey Guys,
    Had the ski out yesterday and ran great, felt like pulling my arms off. I think I finally have carbs dialed in pretty close. My RPM's were at about 7150. My question is can I repitch my 13/19 solas to a 14/20. How many RPM would I lose and is it worth it?? I guess that is more than one question.


  2. #2
    Altezza01's Avatar
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    with the cooler weather coming in i would recommend staying with the 13/19. in the summer heat you will lose some rpms. also i wouldn't recommend going to a 14/20 until you get some more mods to push that prop

  3. #3

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    prop

    You should be able to get that thing spinning 7250 to 7300 with that prop. Get or borrow a pitch gauge. Then let us know where your at. Or spend the $50 plus shipping and send it to impros and if your willing to go that far have him set it back as well. TCR

  4. #4
    Altezza01's Avatar
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    TCR is right. With your mods you should be turning that prop at least 7200.

  5. #5
    Ramps's Avatar
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    Exclamation Prop/RPM

    I have tried and tried but I seem to be stuck at 7110 to 7140. I have adjusted PV's, Carbs, etc... I have a feeling it is in my PV's but I am just not getting them right. Any suggestions as to where I could be losing 60 RPM's?
    I know that is a tough one and one that maybe only I or a tuner could get to the bottom of. I am in Bradenton FL, their should be someone close by that could offer a helping hand??? If you guys know of anyone please let me know....

  6. #6

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    Cool

    take the pump cone off,go back to stock cone and see what rpm's you get then + see if can get some speed # with gps before & after

    later cd

  7. #7
    WATER WOODY's Avatar
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    Whats your squish and compression with 1 layer?

  8. #8

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    Cool

    Quote Originally Posted by Ramps View Post
    I have tried and tried but I seem to be stuck at 7110 to 7140. I have adjusted PV's, Carbs, etc... I have a feeling it is in my PV's but I am just not getting them right. Any suggestions as to where I could be losing 60 RPM's?
    I know that is a tough one and one that maybe only I or a tuner could get to the bottom of. I am in Bradenton FL, their should be someone close by that could offer a helping hand??? If you guys know of anyone please let me know....
    bud,jim is right at your town go see him
    JIM OR MIKE
    PERFORMANCE
    36258 US 19 N. PALM HARBOR, FL 34684
    BUSINESS # (727)786-1177
    CELL # (727)365-5132
    later cd

  9. #9
    Duke's Avatar
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    Quote Originally Posted by chip View Post
    bud,jim is right at your town go see him
    JIM OR MIKE
    PERFORMANCE
    36258 US 19 N. PALM HARBOR, FL 34684
    BUSINESS # (727)786-1177
    CELL # (727)365-5132
    later cd
    Chip is right!! With Jim right down the street its worth a call!

  10. #10
    Ramps's Avatar
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    Thanks you guys I will give a call. One of them can probably help me dial in a little better and give me some advice and look at the bottom of boat, pump grate, etc...

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