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Author Topic: Nefmoto community project: Stage2 1.8t ME7.5 A4 (8E0909518AK-0003)  (Read 52486 times)
untilnow
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« Reply #105 on: September 18, 2018, 09:26:28 AM »

Hi guys, I know this thread seems dead and buried but after reading over the Stage 1 1.8t project lead by leroy about 5 times I felt a stage 2 needed to happen!

I've got a reasonable amount of understanding through searching this forum and constantly reading the s4 wiki., I'm in a position to do regular logs as I now have everything set up and working...finally! A spare ECU if things go wrong etc.

As alot of people disagree on what actually pertains Stage 2 on the 1.8t, I'll tell you what I'm running:

Seat Leon Cupra mk1
AUQ 1.8t
3" downpipe
Decat
Pipercross panel filter
N249 and SAI delete
Boostgauge  Cheesy
97RON fuel.

If this does not qualify I may be able to buy injectors/turbo pipe if absolutely needed as I'm eager to learn and contribute to this forum as did the stage 1 thread helped me and so many others.

Let me know guys and we can get this thing going!
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snuff
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« Reply #106 on: October 10, 2019, 07:36:31 AM »

Hi guys,
regarding stage 2 tuning...Brief question, after turbo (k04) change I want to hold 1.1 bar boost until 6000rpm. Is it necessary to modify timing or can I leave it stock as it was designed for basic k03 tune? Thank you.
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BlackT
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« Reply #107 on: October 10, 2019, 08:25:29 AM »

That depens on many many things( fuel, intake air, base map...)
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snuff
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« Reply #108 on: October 10, 2019, 08:29:15 AM »

Okay.. I will be running basically stock tune.. Only  injectors (krkte, tvub), boost (kfldhbn, ldrxn), and bit of lamfa will be changed according to stage 1 topic.

Will I be safe to put 1bar boost at 6000rpm at stock timing? I assume yes, but I will ask for better feeling  Grin
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nyet
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« Reply #109 on: October 10, 2019, 11:03:31 AM »

Will I be safe to put 1bar boost at 6000rpm at stock timing?

depends on IAT and octane, but stock timing at high load is pretty low and can result in high egts.
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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.
snuff
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« Reply #110 on: October 10, 2019, 01:26:21 PM »

Okay, so I could advance timing more after  let's say 4500 RPM and high load..Fire the spark 1 or 2 degrees sooner to cool exhaust gasses am I right?

And of course keep IAT as low as possible to prevent knocking and ignition retard.
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nyet
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« Reply #111 on: October 10, 2019, 01:29:53 PM »

Okay, so I could advance timing more after  let's say 4500 RPM and high load..Fire the spark 1 or 2 degrees sooner to cool exhaust gasses am I right?

And of course keep IAT as low as possible to prevent knocking and ignition retard.

I'd start with stock first, and see where you end up with the IATs you normally see and the gas you normally run.
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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.
snuff
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« Reply #112 on: October 31, 2019, 01:16:55 PM »

Finally I end up with copying BEX - KFZW and KFZW2 values and more aggressive timing solved all problems..Timing was advanced average 5 degrees on higher loads . Boost is much better, EGT is 100'C lower and the car feels much more agile even with a stock boost.. Stock timing on AWT/BFB is pretty much piece of slow crap.  Logs are fine, no retardation from ECU.
« Last Edit: October 31, 2019, 01:22:09 PM by snuff » Logged
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