Loudest injectors--louder than a TDI

[pell16]

My Mazda3 2.3L manual has the noisest gasoline engine injectors I've ever heard. Noisier than my Focus, which I called my little "tractor" because they were noisy too. Would some injector cleaner or Seafoam help this out? My friend's 2008 MS2 2.3L manual does not sound half as loud

 

[pell16]

Update: It's not the injectors that are so noisy, it's the valvetrain. I will upload a video, but it is ridiculously loud compared to my friend's 2008 2.3L

 

[pell16]

please close this thread and see my latest thread instead.

http://www.mazdas247.com/forum/showthread.php?123802843-HELP-What-is-this-noise-(Video-inside)-VVT

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