Can all detonation be heard ?

[Lucky90]

Is it possible to have detonation and not even know it? If you are having silent detonation, how would you know?

[We Gone]

You need a scan tool to observe it, some you will hear some not.

[Lucky90]

Is the non audible detonation harmful?

[We Gone]

Here are some good reads for ya.

http://zr1specialist.com/HAT%20Web/articles/knock%20sensor.htm

http://zr1specialist.com/HAT%20Web/articles%20index.htm

Of course there are others if you do search for them.

Steve