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  1. #1

    Prop question on 2006 Speedster 200 430

    I have some questions about props

    I bought my boat used, it has come kind of aftermarket props on it. They are high polished and have a green nose cone other then that I have no idea what they are. Here is my problem I'm at high altitude about 4500ft, and despite my boat not having X chargers on it I still cant get over 7100rpm when it's cool, and as it warms up out side I cant even get past 7000rom under load. 58mph is the BEST mpg I have seen on GPS and that was when it was cool outr and on total glass water. When the water is "normal" I only get 55-56 mph. It seems like I am way over propped. Any recommendations on what props would work for me?

    I would like to see over 60mph.


  2. #2
    what are you looking for...more top end speed?? to be honest, your speeds listed are pretty good!!

  3. #3
    Quote Originally Posted by Thor7000 View Post
    what are you looking for...more top end speed?? to be honest, your speeds listed are pretty good!!
    Ya I want more Top speed, these boats were listed as doing 63-64mph stock at sea level, I would at least like to get over 60. here at my altitude. only turning 7000-7100 rpm sounds like too much prop right?

    Also the green Nose cones on the Props that are on there I cant seem to keep on. I can reach up there and twist them on as tite as I can, then drive the boat for a wile and they will be off again and be up on the shaft 6" or so.

  4. #4
    b_dolla44's Avatar
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    If your in fresh water remove the nose cones completely...
    AlsoPull the impeller and look at the stamping on it... Im betting they are solas 15/20s...
    If they are, depitch them 2mm roughly... Or add x chargers and 42s...
    Also check the supercharger slip and adjust if needed...

  5. #5
    Quote Originally Posted by b_dolla44 View Post
    If your in fresh water remove the nose cones completely...
    AlsoPull the impeller and look at the stamping on it... Im betting they are solas 15/20s...
    If they are, depitch them 2mm roughly... Or add x chargers and 42s...
    Also check the supercharger slip and adjust if needed...
    Yes I am in fresh water

    I just installed NEW X-chargers, But with only getting to 7000rpm I bet I'm not making more then 5psi of boost. (dont have a gauge just guessing).

    How do I "depitch" the impellers?

  6. #6
    TheElite0ne's Avatar
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    Quote Originally Posted by FastMatt View Post
    Yes I am in fresh water

    I just installed NEW X-chargers, But with only getting to 7000rpm I bet I'm not making more then 5psi of boost. (dont have a gauge just guessing).

    How do I "depitch" the impellers?
    What were your RPM's before the X-Chargers?

    You'll have to remove the props and send them off to a professional... either speedfreeks or greenhulk. You want to be at least 8000rpm

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