Comments by "Martin Matias" (@Lordosvk) on "Repair Geek" channel.

  1. Problem is of this test is the valve inside the engine shaking a lot also there is lots of moving air. Thats help a lot.
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  2.  @RepairGeek  yes right. In running engine also valves hammering really hard so its much more effective. Anyways thank you for test.
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  3. @repair geek you also can try wrap outside of car it will also helps.
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