Need help identifying ticking noise

[Vortex56]

The noise is most apparent when at idle and when under load, i used a tube and rested it on each value cover and no ticking was heard.
Injectors <—
The first video is sound from the first 3 injectors
Oil pan <—
The second video is the sound heard from oil pan

 

[franklin2]

When I have a sound I can't pin point, I just keep driving it, till it gets loud enough to be more apparent. Your noise is not very loud yet.