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Author Topic: LPG tuning  (Read 1833 times)
Gal_Anonim
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« on: February 10, 2025, 02:05:51 PM »

I would like to ask for advice from more experienced forum users (I am counting on PRJ in particular) regarding LPG tuning. In the topic "High STFT during WOT / lack of fuel" I posted the results of what I managed to achieve with 1.8T stock 180HP without changing the ignition maps. I did it deliberately, because the car has an LPG installation. I would like to use switching maps for driving LPG/gasoline, but I am wondering which parameters to use due to the limited space in ME7.5.
This is how I want to set the map
LAMFA - last raw 0.92
KFFDLBTS - blocked 0
CATR - blocked ATR 0
KFLAMKRL/KFLAMKR - stock 1

plan for changing parameters using LPG/gasoline maps
LDRXN
KFLBTS
KFDZWKG

For the last item KFDZWKG I have a request for advice whether such initial values ​​will be good for LPG? If not what to change?
Thanks in advance for your help and suggestions

P.S. Sorry, but I've only just read in FA that KFDZWKG stands for "Ignition angle correction by shifting the knock limit". So I should advance the ignition advance angle in KFZW by about 8deg and in KFDZWKG introduce an ignition angle retardation by about 4deg?
« Last Edit: February 11, 2025, 02:00:28 PM by Gal_Anonim » Logged
Gal_Anonim
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« Reply #1 on: February 10, 2025, 02:15:58 PM »

One more question, is there a chance to force lambda > 1 in ME7.5 with some HACK? I would like to run on LPG with lambda 1.05 - 1.08.
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pinokio1979
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« Reply #2 on: February 10, 2025, 05:21:21 PM »

Chcesz na lpg mieć lambdę pow 1? serio chcesz stopić tłoki gniazda zaworowe?
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BlackT
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« Reply #3 on: February 10, 2025, 05:53:32 PM »

One more question, is there a chance to force lambda > 1 in ME7.5 with some HACK? I would like to run on LPG with lambda 1.05 - 1.08.
Post your file I will do it for you
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Gal_Anonim
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« Reply #4 on: February 11, 2025, 03:33:11 AM »

Post your file I will do it for you
This is my bin file but if it's not a secret I'd like to learn how to make ME work with lambda >1
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Gal_Anonim
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« Reply #5 on: February 11, 2025, 10:21:50 AM »

Is the parameter LAMLGMTM responsible for the maximum lambda?
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BlackT
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« Reply #6 on: February 14, 2025, 06:17:47 AM »

Try this, hardcore lambda maximum 1 is changed to 1.06
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Gal_Anonim
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« Reply #7 on: February 14, 2025, 07:53:17 AM »

Thanks tomorrow I'll try to test it. Can you describe how it works? I mean how it relates to Lamfa.
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BlackT
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« Reply #8 on: February 14, 2025, 08:33:48 AM »

Oem you can set lamfa to 2, ECU will limit it to 1
With this softwer it will bring it to 1.06
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Gal_Anonim
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« Reply #9 on: February 14, 2025, 01:02:36 PM »

From this I conclude that I am the one who should set lambda in LAMFA? Right?
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