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  1. #1
    Member
    Join Date
    Mar 2008
    Location
    KINGSPORT, TN
    Posts
    3,079

    How much to plug

    I have a 21XD with 250xs and 1:62 gears. I am running a 26 Pro max 3/4 below the pad. Yesterday was just the 3rd time out with this prop. Until yesterday it did pretty good out of the hole. I was fishing a tourney and I guess the extra weight of the live well made a difference. It spun out pretty bad before breaking over and I had to Ease it off a little then go again. I am running 3 of the 4 holes open. Should I just plug another hole?
    2005 21XD W/ 2005 MERC 250XS BULLET TOTAL PERFORMANCE BOAT!!

  2. Member crank68's Avatar
    Join Date
    Mar 2011
    Location
    Kenly, NC
    Posts
    17,435
    #2
    Have you tried that prop with a cav ring..
    BULLET 20 XRD/250 Merc Sport XS
    www.ncboatguy.com

  3. Member
    Join Date
    Nov 2015
    Location
    Greensburg KY
    Posts
    892
    #3
    What lower unit?

  4. Member
    Join Date
    Mar 2008
    Location
    KINGSPORT, TN
    Posts
    3,079
    #4
    No on the cavitation ring. Torque master lower unit.
    2005 21XD W/ 2005 MERC 250XS BULLET TOTAL PERFORMANCE BOAT!!

  5. Member
    Join Date
    Jun 2008
    Location
    Benton, Ky
    Posts
    731
    #5
    Just try plugging another hole. When I tried the cavitation ring, it blocked way too much exhaust.

  6. Member
    Join Date
    Nov 2015
    Location
    Greensburg KY
    Posts
    892
    #6
    I have not had good luck with rings, play with the plug setup and report back.