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Thread: Questions?

  1. #1
    just GOT TO DO IT! great lakes gpr 1200's Avatar
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    Questions?

    Hi impros thanks for being here for US ALL.

    I was just at your site but have some questions:

    I have a 14/20 impeller that is on a yami gpr 1390.
    I do not know what pich it is at now,
    I KNOW what speed I am running and rpms.

    1. What is the best info to give you so you can pitch it to what my ski needs?

    I am looking for max high speed and hole shot. as what elts is there?

    Thanks again for your time.


  2. #2
    Impros's Avatar
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    Hi there. Thank you for the kind welcome. It's my pleasure.

    The best way to nail down the ideal impeller in the ski is to provide current engine rpm's with the impeller in the state it is currently. Also let us know how the ski is modified. We have impeller specs that work well with Harry's kits, but if you have changed anything else, it can also affect where to go with the impeller. Your main riding elevation is also helpful, as higher elevation lakes will require different impellers than sea-level.

    Take care,
    David

  3. #3
    just GOT TO DO IT! great lakes gpr 1200's Avatar
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    What if some DORK like me has been pitching it? just kidding.

    You can still make heads or tails of it?

  4. #4
    Impros's Avatar
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    Sure . We'll check out what you did and go from there...
    D

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