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  1. #1
    Join Date
    Jul 2020
    Posts
    3

    Default 06 21v launch 5.7 Indmar Engine upgrade

    Looking for help on improving torque or more power out the hole with riders and a few people on the boat.

  2. #2
    Join Date
    May 2019
    Location
    Arizona
    Posts
    169

    Default

    Quote Originally Posted by Artbjj View Post
    Looking for help on improving torque or more power out the hole with riders and a few people on the boat.
    Might want to start out with a different prop. That would be a lot cheaper than a engine. The 5.7 320hp or 340hp Indmar Assault should be adequate for that boat.


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  3. #3
    Join Date
    Aug 2019
    Location
    St. Louis , MO
    Posts
    133

    Default

    Quote Originally Posted by Turbinesurgeon View Post
    Might want to start out with a different prop. That would be a lot cheaper than a engine. The 5.7 320hp or 340hp Indmar Assault should be adequate for that boat.


    Sent from my iPhone using Tapatalk
    Absolutely right.

  4. #4
    Join Date
    May 2019
    Location
    Arizona
    Posts
    169

    Default

    Quote Originally Posted by secondsupra2004 View Post
    Absolutely right.
    Yes, yes just like my wife says


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  5. #5
    Join Date
    Jul 2020
    Posts
    107

    Default

    Quote Originally Posted by Artbjj View Post
    Looking for help on improving torque or more power out the hole with riders and a few people on the boat.
    A full rebuild and new prop made mine feel a lot more powerful


    Sent from my iPhone using Tapatalk

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