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Author Topic: Nefmoto community project: Stage1 2.7t ME7.1 S4 (APB 8D0907551M-0002)  (Read 461580 times)
FlyboyS4
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« Reply #90 on: September 22, 2014, 08:14:01 PM »

Back to logging the car.  This is with the first modified boost profile.

http://www.myaudis4.com/2014/09/22/nef-stage1-modified-boost/
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vwaudiguy
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« Reply #91 on: September 22, 2014, 08:17:14 PM »

How does the car feel? Thanks for the logs  Smiley
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nyet
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« Reply #92 on: September 22, 2014, 08:27:40 PM »

Back to logging the car.  This is with the first modified boost profile.

http://www.myaudis4.com/2014/09/22/nef-stage1-modified-boost/

Please post raw csvs! At some point we need to add graphing instructions as well.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
FlyboyS4
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« Reply #93 on: September 22, 2014, 09:05:56 PM »

I'll work on posting the csv after I pare it down a bit.  Updated the post with a pic of timing, looks like that'll need some attention.

How does the car feel? Thanks for the logs  Smiley

Not bad, but the timing drop is noticeable.

Here's the csv file data.

http://www.myaudis4.com/tuning_images/me7log_20140922_pared.csv
« Last Edit: September 23, 2014, 05:12:38 AM by FlyboyS4 » Logged
vwaudiguy
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« Reply #94 on: September 22, 2014, 09:23:51 PM »

Not bad, but the timing drop is noticeable.

Is that because of timing being pulled? How does one figure to lower boost, or lower timing in this situation?
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nyet
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« Reply #95 on: September 22, 2014, 09:25:59 PM »

Is that because of timing being pulled? How does one figure to lower boost, or lower timing in this situation?

Or add fuel. Tough call. The only real way to know is a dyno.

You can try to measure acceleration with road logs, but you have to be scrupulous about keeping variables to a minimum.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
phila_dot
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« Reply #96 on: September 22, 2014, 10:18:56 PM »

Timing drop?

If you are talking about the curve from 3600ish it looks like the switch from KFZW2 back to KFZW.

Some of what you may be feeling is also cam changeover.
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Lost
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« Reply #97 on: September 22, 2014, 11:25:07 PM »

Is that because of timing being pulled? How does one figure to lower boost, or lower timing in this situation?

You always log the CFs as well
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vwaudiguy
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« Reply #98 on: September 23, 2014, 11:50:57 AM »

You always log the CFs as well

Of course. But this still does not point to whether the timing pull should be resolved with less boost, less timing, or more fuel.
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« Reply #99 on: September 23, 2014, 12:04:40 PM »

Of course. But this still does not point to whether the timing pull should be resolved with less boost, less timing, or more fuel.

No it doesn't, but obviously it tells us if timing has been pulled.
One step forward Smiley
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FlyboyS4
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« Reply #100 on: September 23, 2014, 04:37:46 PM »

I added a couple more charts.  Suggestions on the way forward or is this good enough for Stage 1?

http://www.myaudis4.com/2014/09/22/nef-stage1-modified-boost/
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ddillenger
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« Reply #101 on: September 23, 2014, 04:48:53 PM »

I say we pull some timing and smooth the curve Smiley

Then I'd say we call it good!

I will post some screenshots tomorrow.
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FlyboyS4
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« Reply #102 on: September 23, 2014, 07:18:23 PM »

Here's camshaft angle overlayed with the timing curve.  Rest of the charts and csv file are in this folder:

http://www.myaudis4.com/tuning_images/k03_me7x_nef3_files/

« Last Edit: September 23, 2014, 07:58:23 PM by nyet » Logged
ddillenger
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« Reply #103 on: September 23, 2014, 07:45:53 PM »

Here's what I'd like to see Jeff.

Camshaft angle, ignition retard, and load on one graph (put camshaft angle and load on the same axis, CF on the other)

Or, just post the raw csv and I will plot it myself Tongue
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nyet
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« Reply #104 on: September 23, 2014, 08:03:39 PM »

...
« Last Edit: September 23, 2014, 08:05:58 PM by nyet » Logged

ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
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