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  1. 05-18-2021, 10:09 PM #1
    Artbjj
    Artbjj is offline Junior Member
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    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.
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  2. 05-18-2021, 11:10 PM #2
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    Turbinesurgeon
    Turbinesurgeon is offline Senior Member
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    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. 05-26-2021, 03:32 PM #3
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    secondsupra2004
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    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.


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    Absolutely right.
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  4. 05-27-2021, 10:16 AM #4
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    Turbinesurgeon
    Turbinesurgeon is offline Senior Member
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    Quote Originally Posted by secondsupra2004 View Post
    Absolutely right.
    Yes, yes just like my wife says


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  5. 07-01-2021, 10:32 PM #5
    Brian_289
    Brian_289 is offline Senior Member
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    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


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