What Constitutes Knock in Logs
#21
I was looking at the adaptive knock retard table in the picture you posted. I said that table sets the maximum amount of retard it will allow. We are saying the same thing. But it doesn't persist after key-off.
#22
When you're looking in your log, try to find a spot where it's not in between cells. For example, 60kpa @ 3500rpm. You can directly compare to that intersection of the spark table and I'll bet you it's right on. Unless of course you're showing spark knock retard in that spot, in which case it should be whatever is at that spot in your spark table minus the degrees of retard.
#23
Wow, yeah the M8 logs are significantly different from mine. It's weird that there are fields for advance and retard at the same time and those numbers don't seem to correlate to the knock events. The Twin Cam logs are much simpler. I think I read that the M8 uses a totally different method for detecting knocking, so that could have something to do with it. Really curious what the KnockInt field is.
But the good news is it seems like you've got it pretty dialed in. The only knocks you got were near WOT, and it was only 3 on the rear cylinder.
One thing I found curious about your spark tables is that your idle advance is different for each cylinder, and the rear is more advanced. I wonder if they did that to try to keep the rear pipe cooler at idle.
But the good news is it seems like you've got it pretty dialed in. The only knocks you got were near WOT, and it was only 3 on the rear cylinder.
One thing I found curious about your spark tables is that your idle advance is different for each cylinder, and the rear is more advanced. I wonder if they did that to try to keep the rear pipe cooler at idle.
#24
Wow, yeah the M8 logs are significantly different from mine. It's weird that there are fields for advance and retard at the same time and those numbers don't seem to correlate to the knock events. The Twin Cam logs are much simpler. I think I read that the M8 uses a totally different method for detecting knocking, so that could have something to do with it. Really curious what the KnockInt field is.
But the good news is it seems like you've got it pretty dialed in. The only knocks you got were near WOT, and it was only 3 on the rear cylinder.
One thing I found curious about your spark tables is that your idle advance is different for each cylinder, and the rear is more advanced. I wonder if they did that to try to keep the rear pipe cooler at idle.
But the good news is it seems like you've got it pretty dialed in. The only knocks you got were near WOT, and it was only 3 on the rear cylinder.
One thing I found curious about your spark tables is that your idle advance is different for each cylinder, and the rear is more advanced. I wonder if they did that to try to keep the rear pipe cooler at idle.
#25
Actually, this log is from a program I wrote that reads the PV log. I did it to get the RPMs , MAP, and TP normalized It also creates the retard fields using the original log and the PV tables. I am guessing my actual log file from the PV is similar to your. Anyway, thanks for your help!
#26
#27
#28
Here is a screen shot of knock retard with the adaptive table zeroed out. If the adaptive table was enabled chances are these wouldn't show up. Your choice on how you do it but this is the correct way.
#29
No we aren't saying the same thing. The table you're talking about sets how much the bike will learn. There is another table that sets the amount of knock the bike can pull. All I can say is when working your spark tables the adaptive one should be zeroed out.
Here is a screen shot of knock retard with the adaptive table zeroed out. If the adaptive table was enabled chances are these wouldn't show up. Your choice on how you do it but this is the correct way.
Here is a screen shot of knock retard with the adaptive table zeroed out. If the adaptive table was enabled chances are these wouldn't show up. Your choice on how you do it but this is the correct way.
#30
It has stock plugs and wires. I enabled knock control over the weekend and ran a few datalogs. It only pulls a few degrees when I get on it hard, but I figured that was to be expected on a 100 degree day. I don't know why he disabled it.