PROcede v3.2 2-19 map datalog

jpsimon · 02-20-2009, 03:25 PM

I'm loving the latest maps Shiv! The boost is so nice and steady even after zero adaptation time.. this log was done immediately after loading the map (nonDD stage 2, default settings).

next pull:

cn555ic · 02-20-2009, 03:30 PM

i know the user software is different, but whats different about these new maps??

jpsimon · 02-20-2009, 03:31 PM

Quote:

Originally Posted by cn555ic

i know the user software is different, but whats different about these new maps??

from the documentation:

Quote:

What's New:
These beta maps incorporate significant off-boost mapping changes to the ignition advance curve. You will experience very enhanced off-boost torque. Which also translates into better drivability and improved transient response Not to mention measurably better fuel economy during cruise. We've even seen as high as 40mpg during steady state 2500rpm cruise! Actual ignition advance control is a marvelous thing. Another change is the activation of new User Adjustable paramters!

I just haven't had a chance to do any datalogging with any of the recent v3.2 map revisions.. so i was curious

cocoturkey · 02-20-2009, 03:57 PM

boost went over 20 psi on the datalog????

jpsimon · 02-20-2009, 03:58 PM

Quote:

Originally Posted by cocoturkey

boost went over 20 psi on the datalog????

ugh... no. This needs to be a sticky. When the throttle closes there is a small pressure spike in the intake where the sensor is located... this spike is not seen by the turbos. It is common in every datalog.

munters · 02-20-2009, 04:04 PM

Quote:

Originally Posted by cocoturkey

boost went over 20 psi on the datalog????

I think we don't need to explain this again. search about trottle closure and boost and you will find the answer. if you wanna talk about overboost, being stupid or what ever negative imagination, go to the other forum!

cn555ic · 02-20-2009, 04:05 PM

Quote:

Originally Posted by cocoturkey

boost went over 20 psi on the datalog????

here we go again!!! lol

Noize · 02-20-2009, 04:16 PM

Quote:

Originally Posted by jpsimon

ugh... no. This needs to be a sticky. When the throttle closes there is a small pressure spike in the intake where the sensor is located... this spike is not seen by the turbos. It is common in every datalog.

LOLerskates. I remember the first time I saw this. I almost pooped myself until I saw the corresponding throttle percentage was way down. Then I realized it wasn't real.

Prince ///M · 02-20-2009, 06:02 PM

The graph does not seems so good to me...

3psi of overshoot (and oscillation) respect to the target after gear change; maybe, in order to acheive fast response, PID parameters are set a little bit on the "aggressive" side.

In addition, 3deg of spark retardard with boost over 18psi are not so "conservative".

The time lag between full throttle and full boost in very "interesting": 0.5s (not so fast). I'm curious to how much time is needed at stock boost levels... could you please repeat the same test in valet mode?

Bye.

jpsimon · 02-20-2009, 06:18 PM

Like i said, the log i posted above was the very first pull after loading the map. Next pull it hits the target with no overshoot:

Quote:

Originally Posted by Prince ///M

The graph does not seems so good to me...

3psi of overshoot (and oscillation) respect to the target after gear change; maybe, in order to acheive fast response, PID parameters are set a little bit on the "aggressive" side.

In addition, 3deg of spark retardard with boost over 18psi are not so "conservative".

The time lag between full throttle and full boost in very "interesting": 0.5s (not so fast). I'm curious to how much time is needed at stock boost levels... could you please repeat the same test in valet mode?

Bye.

Prince ///M · 02-20-2009, 06:28 PM

Ok, this one is way better, also in terms of boost response (much faster).

What happens after the gearchange?

P.S.
Timing correction is still negligible.

OpenFlash · 02-20-2009, 06:35 PM

Quote:

Originally Posted by Prince ///M

Ok, this one is way better, also in terms of boost response (much faster).

What happens after the gearchange?

P.S.
Timing correction is still negligible.

That's not the total timing correction. Just one component of it.

Shiv

Prince ///M · 02-20-2009, 06:38 PM

Quote:

Originally Posted by shiv@vishnu

That's not the total timing correction. Just one component of it.

Shiv

Interesting.

Which are the other ones Procede (not DME) induced?

OpenFlash · 02-20-2009, 06:48 PM

Quote:

Originally Posted by Prince ///M

Interesting.

Which are the other ones Procede (not DME) induced?

That just represents the integer offset in the timing table. That is why it is rounded to the nearest digit and not in tenths. Nore does it represent the timing offset that is induced by IAT. Or the instantaneous retard induced during the upshift (for torque smoothing).

Shiv

OpenFlash · 02-20-2009, 07:05 PM

Quote:

Originally Posted by Prince ///M

P.S.
Timing correction is still negligible.

No, it's not. When an engine is direct injected and is only running single digits of advance, 2-3 degrees of ignition retard is very significant. It's not like we are talking about an NA engine that runs 25-30 deg of advance at WOT. This engine, when stock, only runs 5-12 of timing at WOT. And only above 10 when engine speed is greater than 6000rpm. 2-3 degrees of retard represents a huge relative change of absolute spark advance.

Shiv

Prince ///M · 02-20-2009, 07:08 PM

Quote:

Originally Posted by shiv@vishnu

That just represents the integer offset in the timing table. That is why it is rounded to the nearest digit and not in tenths. Nore does it represent the timing offset that is induced by IAT. Or the instantaneous retard induced during the upshift (for torque smoothing).

Shiv

Is IAT induced retard loggable?

OpenFlash · 02-20-2009, 07:11 PM

Quote:

Originally Posted by Prince ///M

Is IAT induced retard loggable?

It used to be a debug word. But it was replaced a few months back by something else. But the IAT retard component is pretty small. Less than 1 degree until IATs go above 60F. But for the time being, to get a more granular log of actual ignition retard, view "ign cor (maps)" not "ign cor". It will be to the 1/10th deg.

Shiv

cn555ic · 02-20-2009, 08:22 PM

Quote:

Originally Posted by jpsimon

Like i said, the log i posted above was the very first pull after loading the map. Next pull it hits the target with no overshoot:

Damn it took two pulls and its already adapted nicely....first pull was definitely some overshoot of the target, but wow that second log is niiiiiice and smooth!

ericsmc83 · 02-20-2009, 09:22 PM

My experience so far is similar with the Stage 1 DD map. The very first hard pull on the new map was very inconsistent. Looked like a sine wave undulating about +/- 2psi. The second, third, and fourth pulls got smoother and smoother until it was almost flat. Same 20+psi spikes at TC as well.

Looking good!

Kbueno · 02-20-2009, 10:56 PM

Stage 1 Doomsday here...anyone have logs at WOT from 2000rpm on up. Seems there is a surge at 4k with mine. Is that the doomsday limiting boost/fuel down low?

badass335 · 02-20-2009, 10:59 PM

Just to clarify here. The idea is to keep the Ign Correction to 0 or as close to it as possible? How does this look to you guru's out there?

OpenFlash · 02-20-2009, 11:01 PM

Quote:

Originally Posted by badass335

Just to clarify here. The idea is to keep the Ign Correction to 0 or as close to it as possible?

Where did you get that? Ign correction is a component of the tune. It's there for a reason and you don't want to get rid of it.

Quote:

does this look to you guru's out there?

Looks fine.

shiv

02-20-2009, 03:25 PM	#1
jpsimon Team Zissou 3200 Rep 10,200 Posts Drives: 2022 AWD M3 Comp - SMB Join Date: Dec 2006 Location: CT iTrader: (7)	PROcede v3.2 2-19 map datalog I'm loving the latest maps Shiv! The boost is so nice and steady even after zero adaptation time.. this log was done immediately after loading the map (nonDD stage 2, default settings). next pull: Last edited by jpsimon; 02-20-2009 at 06:26 PM..
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02-20-2009, 03:30 PM	#2
cn555ic 485 Rep 18,331 Posts Drives: 335i Join Date: Jun 2007 Location: US iTrader: (6)	i know the user software is different, but whats different about these new maps??
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02-20-2009, 03:57 PM	#4
cocoturkey Lieutenant 28 Rep 441 Posts Drives: 08' e92 335i Join Date: Jan 2008 Location: Taipei iTrader: (0)	boost went over 20 psi on the datalog????
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02-20-2009, 06:02 PM	#9
Prince ///M Second Lieutenant 4 Rep 200 Posts Drives: Join Date: Dec 2007 iTrader: (0)	The graph does not seems so good to me... 3psi of overshoot (and oscillation) respect to the target after gear change; maybe, in order to acheive fast response, PID parameters are set a little bit on the "aggressive" side. In addition, 3deg of spark retardard with boost over 18psi are not so "conservative". The time lag between full throttle and full boost in very "interesting": 0.5s (not so fast). I'm curious to how much time is needed at stock boost levels... could you please repeat the same test in valet mode? Bye.
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02-20-2009, 06:28 PM	#11
Prince ///M Second Lieutenant 4 Rep 200 Posts Drives: Join Date: Dec 2007 iTrader: (0)	Ok, this one is way better, also in terms of boost response (much faster). What happens after the gearchange? P.S. Timing correction is still negligible.
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02-20-2009, 09:22 PM	#19
ericsmc83 Captain 67 Rep 986 Posts Drives: 08 E92 335i MT Join Date: Sep 2007 Location: Las Vegas, NV iTrader: (9)	My experience so far is similar with the Stage 1 DD map. The very first hard pull on the new map was very inconsistent. Looked like a sine wave undulating about +/- 2psi. The second, third, and fourth pulls got smoother and smoother until it was almost flat. Same 20+psi spikes at TC as well. Looking good! __________________ 2008 E92 MT \| VTT Stage 2+ 20T \| VTT Inlets \| JB4 MHD E85 \| Fuel-It Stage 3 LPFP w/FPR and Return \| BMS PI \| AR DP \| AE Quad Exhaust \| Helix FMIC \| ER CP \| Tial BOV \| DCI \| AR OCC \| Spec Stage 3+ \| SMFW
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02-20-2009, 10:56 PM	#20
Kbueno Lieutenant Colonel 102 Rep 1,712 Posts Drives: F82 Join Date: Jan 2007 Location: California iTrader: (5)	Stage 1 Doomsday here...anyone have logs at WOT from 2000rpm on up. Seems there is a surge at 4k with mine. Is that the doomsday limiting boost/fuel down low?
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02-20-2009, 10:59 PM	#21
badass335 Lieutenant Colonel 119 Rep 1,948 Posts Drives: 2017 540i Xdrive Join Date: Jul 2007 Location: Surrey, BC iTrader: (10)	Just to clarify here. The idea is to keep the Ign Correction to 0 or as close to it as possible? How does this look to you guru's out there?
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