SFAC-II knock level

[Flybert]

Originally Posted by PS13SILVIA

On a cold night average knock on my S13 KA24DE with almost 190k is 0 to 13 and on a hot ass day it can go to 38 or so, my timing is set at 22 degrees BTDC and I mostly run 91 octane.

These numbers sound about right for my SR as well.

Any unusual spikes over the normal amount usually means it's knocking. Numbers are usually 50+ when that happens.