help with knock question

[skala308]

I read that the knock retard figures logged in the scanner for Ford/GM have a different meaning to the Chrysler/Dodge/Jeep figures.

Attached is a scan for my Jeep 5.7hemi, showing negative spark retard numbers, on Part Throttle/Cruising with a bit of full throttle and thus Open Loop. Do these negative numbers indicate timing knock and that I have to reduce the timing in the Editor table, or does this indicate that I can add these amounts to the Editor table?

Please clarify for me.

[hussainsrt]

reduce the timing

[skala308]

thanks will do

[HaasExp]

Yes this numbers indicates how much timing the ECU is pulling (due to perceived knock) at that certain rpm/load cell.