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Default 11-05-2017, 11:08 AM

Get it... tks terry!

On 6th gear fpH goes down to 10.... how many pressure is the minimum value to it?

The car has IC, chargepipe and ********.... w/o

on mao 6 how many boost you sugest to use for something like 360whp?


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Default 11-05-2017, 11:09 AM

Normally misfires start around 6-7, and the JB4 fuel pressure safety is set to around that level too.


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cnm135i cnm135i is offline
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Default 11-05-2017, 06:29 PM

Quote:
Originally Posted by Terry @ BMS
ECU_PSI is boost reported back to the DME, boost is boost as read at the TMAP sensor.
The MAP sensor is not logged? Ohhh wait, you said that the MAP is only used when the car is running vacuum. I'd still really like to know how load is measured then? Or is it calculated from IAT, TMAP and Throttle Angle?


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Last edited by cnm135i; 11-05-2017 at 06:35 PM..
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Sicmadek Sicmadek is offline
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Default 11-14-2017, 05:07 AM

Which would cause overboost on spool up, dwp or pedal aggressiveness?


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bobbyggx bobbyggx is offline
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Default 11-14-2017, 09:27 AM

Hi Terry,

I've been adjusting the ISO firmware and it seems that I cannot get it right.

Now, with suggested settings the FF is again way off from the WGDC, the car runs a bit lean (FOL = 60 would fix this most probably) and again I am not meeting the targets.

Last night I did a trial run with PID 35 and FOL 50 and more drastic settings in Duty BIAS and the results seemed fine with small over boost (which I can consider as a small feature as long as the throttle is not closing much).

Enclosed I am attaching the logs from today and last night with the different settings.

I would very much appreciate your feedback and suggestions what should be pushed within the parameters.

P.S. The car was hitting 11.8 in DME_BT which is the first time I saw such a high values as I was always thinking that my DME_BT is requesting too less.
Attached Files
File Type: csv 171113_2306.csv (6.5 KB, 3 views)
File Type: csv 171114_1254.csv (4.7 KB, 2 views)
File Type: csv 171114_1255.csv (3.4 KB, 3 views)
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Sicmadek Sicmadek is offline
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Default 11-14-2017, 09:54 AM

Anyone have the firmware that was posted before t12? I think it was t6


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zole2112 zole2112 is offline
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Default 11-14-2017, 10:14 AM

Quote:
Originally Posted by Sicmadek
Anyone have the firmware that was posted before t12? I think it was t6
I may have it at home, I can check this afternoon if nobody else has it.


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Sicmadek Sicmadek is offline
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Default 11-14-2017, 10:19 AM

Quote:
Originally Posted by zole2112
I may have it at home, I can check this afternoon if nobody else has it.
Thanks


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bobbyggx bobbyggx is offline
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Default 11-14-2017, 01:03 PM

Hi Terry,

I think I made some progress with the PID/FF/FOL stuff. Please have a look at the attached logs.

I have one question regarding the pedal. I noticed that if I am not in WOT mode but pressing the pedal 85-95% the car seems to be running better and faster, at least it pulls like a trane while in WOT I don't have the same feeling.

Another interesting thing is that one of my runs the car felt weak, but looking in the logs everything seemed fine, good boost, meeting targets etc.

P.S. I've changed the 6-cyl Timing to 30, but didn't noticed any pedal aggressiveness.
Attached Files
File Type: csv 171114_2042.csv (6.1 KB, 6 views)
File Type: csv 171114_2039.csv (3.2 KB, 4 views)
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Sicmadek Sicmadek is offline
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Default 11-14-2017, 04:18 PM

Quote:
Originally Posted by bobbyggx
Hi Terry,

I think I made some progress with the PID/FF/FOL stuff. Please have a look at the attached logs.

I have one question regarding the pedal. I noticed that if I am not in WOT mode but pressing the pedal 85-95% the car seems to be running better and faster, at least it pulls like a trane while in WOT I don't have the same feeling.

Another interesting thing is that one of my runs the car felt weak, but looking in the logs everything seemed fine, good boost, meeting targets etc.

P.S. I've changed the 6-cyl Timing to 30, but didn't noticed any pedal aggressiveness.
Your duty dias is all over the place which is why your boost is up and down


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bobbyggx bobbyggx is offline
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Default 11-14-2017, 11:55 PM

What do you mean all over the place? In my latest logs my boost is going UP when I shift and then gets a peak which is handled by the throttle.

The other time, when the boost spikes is when I do WOT at around 2,5k rpms (this might explain the better acceleration with 85% of the pedal). This I am not sure how I can handle as the DB in that area is 50 and 52 with PID 20. I am open to suggestions.
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cnm135i cnm135i is offline
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Default 11-15-2017, 12:50 AM

Quote:
Originally Posted by bobbyggx
Hi Terry,

I think I made some progress with the PID/FF/FOL stuff. Please have a look at the attached logs.

I have one question regarding the pedal. I noticed that if I am not in WOT mode but pressing the pedal 85-95% the car seems to be running better and faster, at least it pulls like a trane while in WOT I don't have the same feeling.

Another interesting thing is that one of my runs the car felt weak, but looking in the logs everything seemed fine, good boost, meeting targets etc.

P.S. I've changed the 6-cyl Timing to 30, but didn't noticed any pedal aggressiveness.
Hi

Please update to latest FW. I can email the T3 if you want the CEL auto-clear. You are not logging gear and 6-cyl timing. Would be great if you got that working. Next time try to do a 4th gear 2000-7000rpm shifting into 5th. From my experience setting DB to 45 from 3500rpm and down will reduce tip-in over boost. You can try that.


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Sicmadek Sicmadek is offline
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Default 11-15-2017, 04:42 AM

Quote:
Originally Posted by bobbyggx
What do you mean all over the place? In my latest logs my boost is going UP when I shift and then gets a peak which is handled by the throttle.

The other time, when the boost spikes is when I do WOT at around 2,5k rpms (this might explain the better acceleration with 85% of the pedal). This I am not sure how I can handle as the DB in that area is 50 and 52 with PID 20. I am open to suggestions.
Update firmware as recommended because your log doesnt even show what gear youre in


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bobbyggx bobbyggx is offline
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Default 11-15-2017, 06:11 AM

As far as I know Terry uploaded the latest FW before shipping the JB4 to me. I will drop you a PM with my mail so you can send the FW.

All my logs start from 3rd gear I am shifting before 6k usually.
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zole2112 zole2112 is offline
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Default 11-15-2017, 06:35 AM

Quote:
Originally Posted by cnm135i
Hi

Please update to latest FW. I can email the T3 if you want the CEL auto-clear. You are not logging gear and 6-cyl timing. Would be great if you got that working. Next time try to do a 4th gear 2000-7000rpm shifting into 5th. From my experience setting DB to 45 from 3500rpm and down will reduce tip-in over boost. You can try that.
Does the T6 have the auto clear, I thought it did.


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Sicmadek Sicmadek is offline
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Default 11-15-2017, 12:34 PM

Quote:
Originally Posted by bobbyggx
As far as I know Terry uploaded the latest FW before shipping the JB4 to me. I will drop you a PM with my mail so you can send the FW.

All my logs start from 3rd gear I am shifting before 6k usually.
Terry sends out f series iso boards now? I thought everyone had to cut out the diode at their own risk.


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bobbyggx bobbyggx is offline
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Default 11-15-2017, 03:05 PM

Of course it is the owner’s risk, I just wanted it like this.
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Default 11-15-2017, 03:12 PM

Quote:
Originally Posted by bobbyggx
As far as I know Terry uploaded the latest FW before shipping the JB4 to me. I will drop you a PM with my mail so you can send the FW.

All my logs start from 3rd gear I am shifting before 6k usually.
We normally don't ship boards with F ISO loaded. If a request was made at order time one of the guys may have done that at the office.


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bobbyggx bobbyggx is offline
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Default 11-15-2017, 03:51 PM

My question is an I runnig the latest FW or I should update?

@Terry, I would appreciate your feedback on the logs with any remarks/suggestions.
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cnm135i cnm135i is offline
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Default 11-15-2017, 05:56 PM

Quote:
Originally Posted by bobbyggx
My question is an I runnig the latest FW or I should update?

@Terry, I would appreciate your feedback on the logs with any remarks/suggestions.
Your log says 16/7//1 = so that should be ISO_7_T1 (I assume).

16/7//3 (ISO_7_T3) is from around late May according my logs and the last revision supporting CEL auto-clear.

All following ISO_7_Tx's I have used are also called 16/7//3 in the .csv so this makes it a bit difficult to tell them from each other.


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bobbyggx bobbyggx is offline
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Default 11-18-2017, 01:46 PM

The firmware is uploaded and now I can see timing and gear.

With the same settings (only lowered the FF at 2.5k-3k) I am getting oveboost, thus I would have to play with the settings to match them.
Attached Files
File Type: csv 171118_2104.csv (7.2 KB, 8 views)
File Type: csv 171118_2105.csv (3.2 KB, 8 views)
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(#447)
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Default 11-18-2017, 02:10 PM

Duty bias changes should be smoothed from one RPM break to the next, unless you want your boost contort to also resemble a staircase.
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bobbyggx bobbyggx is offline
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Default 11-18-2017, 02:16 PM

How can I achieve that? For sure I don’t want a staircase :D

I would reset the DB to the auggested starting point and start from there to adjust, unless of course you can suggest another approach.

P.S. From timing perspective how does it looks like?

Thanks!
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Default 11-18-2017, 02:55 PM

It's easier to dial in dutybias when you have a long run from low RPM to high, so you can see what sort of WGDC curve your turbo is looking for. So I'd reset to the default duty bias settings and then log say 1500rpm to redline in 5th gear.


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bobbyggx bobbyggx is offline
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Default 11-18-2017, 03:03 PM

Will do that and teport back! Thank you!

EDIT:
Here are the results -> 5th gear, 1500rpms, DB is all the way 50, FOL 50, PID GAIN 25, FuD 174 (because of FuD settings the system is not logging gear and all cylinders, when I answer the questions I have value 174 which is again not logging the gear and the timing, but if the value is 99 everything is fine).

The real (JB4) boost seems to be fine until 4700rpms and then it starts dropping.

The next steps for me are:
1. To figure out the right FuD value; (I would appreciate some help, as when I press Bits and answer the questions I am not getting the desired results. From what I read bit6 is the one responsible for the timing, but there the question is different).
2. Adjust DB starting from 3000rpms to try to have the FF and WGDC as closer as possible; (Am I wrong or this sounds a feasible start?)
3. FOL 50 seems to be a good much in high revs, but in but 3000-5000 the car seems to be running on the lean side. Adjust to 60 may be?
4. I am thinking of raising the FUA above 30 so I would get less throttle movement. Would this be a good idea? Currently I see exactly .8psi difference all the way.
-> Looking at my log from 2000-3500 rpms there is higher than 20% throttle movement which I cannot explain. Boost (DME_BT/ECU_PSI) is .8psi off, the JB4 Boost/Target is near even a bit on the lower side, but still the throttle is closed. At 2000 rpms there is .9psi overboost (above JB4) which can explain the throttle being closed about 40%, but afterwards everything seems fine while the throttle remains half closed.
5. ... @Terry, anything else?

P.S. I would assume, now when I have the WGDC demand, it would be fine to log in 3-4th gears as in 5th I am reaching quite a high speed which is a bit illegal
Attached Files
File Type: csv 171118_2335.csv (10.7 KB, 11 views)

Last edited by bobbyggx; 11-18-2017 at 05:02 PM..
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