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  1. #1
    JOHN SPY's Avatar
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    Block Guard for 4techs

    Hi guys,
    what do you think about block guards,have you ever tested it?
    the link is...http://www.4-tecperformance.com/inde...roducts_id=494

    Cheers from Sunny Greece!


  2. #2
    RXP rider's Avatar
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    Cant see how it could preventing the sleeves from moving ?
    Sorry for asking in your thread

  3. #3
    JOHN SPY's Avatar
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    ????

  4. #4
    Orlando Shark's Avatar
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    These work great in high RPM/Power motors.

    It prevents the sleeves from moving at high RPM. It closes the gap between the Cylinder walls and the rest of the block.

  5. #5
    RXP rider's Avatar
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    So the block guard fits tight ? or said another way it must fit tight if it going to support the cylinder wall ? Pleace correct me if Im wrong.

  6. #6
    Orlando Shark's Avatar
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    Quote Originally Posted by RXP rider View Post
    So the block guard fits tight ? or said another way it must fit tight if it going to support the cylinder wall ? Pleace correct me if Im wrong.
    Yes, you are better off taking it to a good machine shop so they can istall it correctly because it actually fits so tight that the cylinders might need some honing due to the blockguard not letting the cylinder walls expand when it becomes extremely hot.

  7. #7
    JOHN SPY's Avatar
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    Thanks mate!

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