KR increases as I decrease the timing tables
#21
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Dr. X, increase that KR recovery rate. Change it to 0.2, it will look a lot better on your scan that way, easier to read too. How are your BEN's 1.0 when you are 4 tenths away from your commanded AFR? Your actual vs. commanded seems to be kind of all over the place in that scan.
Get rid of that metric junk.... I like to leave my VSS metric and change the name to "MPH", looks like Im flyin!
Get rid of that metric junk.... I like to leave my VSS metric and change the name to "MPH", looks like Im flyin!
Last edited by Whippled 496; 10-27-2006 at 05:58 AM.
#22
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Originally Posted by Whippled 496
Dr. X, increase that KR recovery rate. Change it to 0.2, it will look a lot better on your scan that way, easier to read too.
Originally Posted by Whippled 496
How are your BEN's 1.0 when you are 4 tenths away from your commanded AFR? Your actual vs. commanded seems to be kind of all over the place in that scan.
The best option is to just avoid the lugging in the first place via trans tuning.
Originally Posted by Whippled 496
Get rid of that metric junk.... I like to leave my VSS metric and change the name to "MPH", looks like Im flyin!
#26
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Here's the new unfiltered BEN Map(should have left the idle portion of the VE table alone). No more lean cells 1800-2000 RPM.
But there is still KR here even when rich with pretty low timing and under steady state conditions. So that even rules out the .2-.4 sec lag between commanded and WB AFR as being an issue.
I don't think running off the MAF would help this. Probably best to just avoid boost in 4th gear(low RPM)/high load situations. Too much air with nowhere for it to go, resulting in excessive cylinder pressures/temperatures or whatever for street gas. 4th is for cruising, boost is not. Might be better off with no boost and more timing in 4th.
But there is still KR here even when rich with pretty low timing and under steady state conditions. So that even rules out the .2-.4 sec lag between commanded and WB AFR as being an issue.
I don't think running off the MAF would help this. Probably best to just avoid boost in 4th gear(low RPM)/high load situations. Too much air with nowhere for it to go, resulting in excessive cylinder pressures/temperatures or whatever for street gas. 4th is for cruising, boost is not. Might be better off with no boost and more timing in 4th.
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