The KR pid on my ScanGauge shows 0 except at heavy throttle openings where it will go up to a max of 2.4 degrees. The heavy throttle openings is usually around 2000 rpm. I use regular fuel.
Yeh, sorry about that. Guessed as much, but I've never had OBD, much less a scantool, and after I posted I realised I was pointlessly parading my ignorance.
Continuing that theme, 2.4 degrees retardation doesn't seem very much, but I suppose it must be enough.
If you are a performance nut then I wouldn't worry about KR. I've got the KR pid programmed on my SGII and I would get brief flashes of ~2 degrees when doing WOT pulls but I'm not a hardcore tuner working with a high strung engine. Mines an LM7 w/ 4L60E slushbox running 92 octane.
Originally Posted By: George7941
The KR pid on my ScanGauge shows 0 except at heavy throttle openings where it will go up to a max of 2.4 degrees. The heavy throttle openings is usually around 2000 rpm. I use regular fuel.
Normal?
Quite normal if we're talking about your sig truck. Just electronics adjusting to poor fuel as required to control knock. You can eliminate KR with the right fuel additive.