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TSIkw

15+ Year Contributor
129
1
Aug 31, 2005
Central NY, New York
I've been trying to tune my car for the past few days with dsmlink. I am getting about 1.5 counts of knock at WOT usually btween 3000- 4500rpm. I don't get the knock all the time and when i do it spikes to 1.5 or so and then steadily declines.

I can't post a log or anything right now, but here is my question...what are good numbers to by getting at WOT for O2, AFR, Airflow?

I have Denso 660's and right now i have to have my RPM fuel values at +25 and 26 from 3000-7000 to keep the knock down. Is this normal or should i be changing some other values instead of adding fuel. (I have my timing down 2 degrees at 3000, 3500, and 1 degree at 4000)
 
TSIkw said:
When i'm running 15 to 16lbs of boost with all sliders at 0...i get 3.5 counts of knock which steadily declines like it does with the sliders up high. I only get 1.5 counts with the fuel sliders at +16.

My O2 readings are around .86 with sliders at 0

Well o2 sensor readings are not exactly the most accurate things if they are stock. Does the car sound like it is running ok with the sliders at zero? Did you get your lo and hi ltfts as close to 0 as possible, and what values are they at? Post your data log up with the sliders zeroed out with lo and hi ltfts, boost, knock, and est. air/fuel ratio. Make sure the values for the global and deadtime are added into the window for the preferences of air/fuel. Have it read the o2 sensor value also.
 
I was away for the weekend and haven't been online.

I checked my Fuel Trims they are both at 10% with my global at -32. Do i need to take the global towards -33 or up towards -30 to bring them down closer to 0?

Once i get them close to zero i will check my readings and post a log if things are right still. I have the sliders zero'd out now running 11lbs of boost and it feels like its running good and i'm not getting knock.
 
TSIkw said:
I was away for the weekend and haven't been online.

I checked my Fuel Trims they are both at 10% with my global at -32. Do i need to take the global towards -33 or up towards -30 to bring them down closer to 0?

Once i get them close to zero i will check my readings and post a log if things are right still. I have the sliders zero'd out now running 11lbs of boost and it feels like its running good and i'm not getting knock.

I am not sure, it has been a while since i have messed with it, but lower the global and if it lowers the value then you are good. If it raises it just adjust it the opposite direction.
 
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