hey guys i have an ls vtec with a b16 head so i got to the source of the noise that im always hearing that sounds like a knock lol. well i used a sethoscope to hear whats going inside my motor and everything inside sounds very melow and nice and so do the vlaves i dont hear anything unsual.... and now the wierd parts when i put the scope on the cam gears i hear a loud clicking its so strange because there arent any valves there..... so guys let me know