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  1. #11
    GLH is offline
    Platinum Member Platinum Member GLH's Avatar
    My Boats:
    Join Date
    Dec 2002
    Burlington, VT
    For the Boat I stated;
    I used the constant (225) that made it for that boat go 70 with 500EFI's 470HP at the prop. That is the information I had on speed with that power package from many sources.

    Marc, Thank you for a very helpfull website, both for knowledge and parts.

  2. #12
    Registered Tricky919's Avatar
    My Boats:
    I Have No Boat
    Join Date
    May 2003
    Port Chester, NY.
    Goodfella, that formula hit my speed right on the money..............

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