I first would like to know why I cant see my post (this) in General Topic.

OK. I ask how can I know if my car have bad detonations (knock).
So people say to use Deltadash, but I woul like to know if I can do it whitout some "dials" (deltadash, Knock-Link, etc). I can ear it, I can feel it.

Thank you for or answers.

 

A little confused by your question mate.The options are a Knock Link made by Link electrosystems,this depicts knock as a series of lights.HKS make a system that you can connect to your car stereo or can connect to headphones and represents det as noises.