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Author Topic: Anti-lag launch and no-lift-shift secrets inside  (Read 490200 times)
prj
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« Reply #270 on: January 15, 2013, 11:06:51 AM »

Gents, is this code not already present in some form or another in the tiptronic engine binaries? Certainly looking at the traces from my car, ignition timing is retarded to TDC on shifts to cut torque while maintaining boost pressure. Throttle plate angle isn't touched at all really.

No, this is just fast path torque intervention.
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nautica
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« Reply #271 on: February 08, 2013, 06:05:28 PM »

I can't find in my .ecu file wped addres, can I use wped_w?
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astrahaizer
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« Reply #272 on: February 09, 2013, 06:09:07 AM »

Can you help me, please?

I'm from Germany and I have a Opel Astra OPC 2 with me1.5.5.

I don't unstand.

I want you to change my file?

My File
https://www.dropbox.com/s/yj3cit1ue1rmn82/AZ_PHASE_3.5_310PS_460NM_LEH-all



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littco
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« Reply #273 on: February 09, 2013, 06:58:56 AM »

I can't find in my .ecu file wped addres, can I use wped_w?
yes. All it needs to activate the NLS is the % of the accelerator pedal to make sure its over the threshold set point. Wped_w will achieve this.
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phila_dot
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« Reply #274 on: February 09, 2013, 08:13:08 AM »

yes. All it needs to activate the NLS is the % of the accelerator pedal to make sure its over the threshold set point. Wped_w will achieve this.


I'm not familiar with this routine or the context that wped is being used, but 8 bit and 16 bit variables are handeled differently. If the code is written for 8 bit wped the wped_w will not work.
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nautica
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« Reply #275 on: February 10, 2013, 08:37:24 AM »

Tryed today on my 1999 A3 1.8TQ but car won't start Sad ECU has disappeared, flashed back on the bench.
Can someone take a look? it seems everything is ok, it's not for the first time for me.
Or maybe function it's not compatible with pre 99 ECU with 400B flash?
Here is attached flashes and txt file with functions. Thank you.
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phila_dot
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« Reply #276 on: February 10, 2013, 09:51:23 AM »

Tryed today on my 1999 A3 1.8TQ but car won't start Sad ECU has disappeared, flashed back on the bench.
Can someone take a look? it seems everything is ok, it's not for the first time for me.
Or maybe function it's not compatible with pre 99 ECU with 400B flash?
Here is attached flashes and txt file with functions. Thank you.

Did you read this:
I'm not familiar with this routine or the context that wped is being used, but 8 bit and 16 bit variables are handeled differently. If the code is written for 8 bit wped the wped_w will not work.
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catbed
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« Reply #277 on: February 14, 2013, 02:30:12 PM »

No, this is just fast path torque intervention.

The Bosch ms-4 utilizes a gear cut and blip system for shifting. Just skimming through it, it says that engine torque is cut using the ignition angle map. Since the Motorsports ECU and the me7 ECU are very similar, you don't think this should be looked into?

Pg 62 in the ms-4 data sheets btw.
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lulu2003
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« Reply #278 on: February 17, 2013, 04:12:38 PM »

latest possible ignition angle in ME7 still would be to much torque to rev down the engine...
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maZer.GTi
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« Reply #279 on: March 26, 2013, 07:42:19 AM »

Tryed today on my 1999 A3 1.8TQ but car won't start Sad ECU has disappeared, flashed back on the bench.
Can someone take a look? it seems everything is ok, it's not for the first time for me.
Or maybe function it's not compatible with pre 99 ECU with 400B flash?
Here is attached flashes and txt file with functions. Thank you.

I compared many files and noticed that wped is always 2 bytes after DWPED.
Example:
0x380ABC dwped
0x380ABE wped

Im not 100% sure but maybe this will help you Smiley
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fluke9
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« Reply #280 on: April 03, 2013, 06:06:43 AM »

This mod hits a variable called Tsrldyn which is used to generate a coil dwell. The dwell time is used to charge the coil. Without the charge time it can't fire.
Are you sure ?

Could the burnt fuses in some cars mean that tsrldyn=0  actually powers the coils permanently ? 
It will actually work too, as a coil only sparks after you remove the power to its primary winding.

Maybe someone can find a better way to interrupt spark.
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catbed
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« Reply #281 on: April 03, 2013, 10:48:57 AM »

Are you sure ?

Could the burnt fuses in some cars mean that tsrldyn=0  actually powers the coils permanently ? 
It will actually work too, as a coil only sparks after you remove the power to its primary winding.

Maybe someone can find a better way to interrupt spark.

Yes, in some ECUs tsrldyn -> 0 is bad news. I think there was talk a few pages back of finding writing an alternate routine, but I'm not sure anything came of it.
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Jason
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Breaks everything!


« Reply #282 on: April 06, 2013, 07:00:24 AM »

Has anybody made any progress on the correct way to do this?

I'm convinced we're having issues with the knock control intervening on flat gearchange because the engine IS knocking.

Back when this was first implemented I had a slight idle misfire which was due to a broken plug insulator.  I didn't really think much of it at the time.

Fast forward to now - I put the quiet exhaust back on my car to diagnose a drivetrain noise, and can definitely hear it knocking when the NLS is active between gear changes.  There is no question in my mind it's knock.  I think the issue is the coils are discharging randomly and knocking the motor.  I am going to see if I can put a microphone under the hood to capture it.  It is audible, and it is knock.

I know MRC appears to have this working perfectly, so I'm curious to know how they are doing it.
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phila_dot
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« Reply #283 on: April 06, 2013, 07:18:09 AM »

It's really just a matter of someone sitting down and actually doing it.

I think a fresh thread hashing out the conditions, features, and functionality would be a step in the right direction.

It's on my list, but not a high priority. Anyway, my computer's down and my car needs attention, so I'm regretfully not making progress on anything ATM.

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pedrosousa
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« Reply #284 on: April 06, 2013, 01:42:42 PM »

Today I tested this and, when I hit the clutch the engines shuts down and the EPC and MIL light start to blink.
What's the problem???

I'm using:

AccPedalThreshold:90
RPMThreshold:5500
IgnitionCutDuration:200
LaunchRPM:4500
SpeedThreshold:3.30

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