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Author Topic: The Volvo ME7 thread:  (Read 1834289 times)
keichi
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« Reply #2850 on: August 18, 2025, 03:12:48 AM »

LDRXN and the other boost maps should be copied from the original R software.
Why cant I just extrapolate the stock KFMIRL/KFMIOP like I suggested ?
I would have tried if I understood how to calculate the interpolation between the two, Right now it only runs up to 165 load

If you copy LDRXN from R map you will get similar boost curve as R car if that is what you want?

You can extrapolate KFMIRL/OP to whatever values you want.
You can have 200%, 300% load axis or whatever you imagine Smiley

But you need to make sure you don't trigger TQ-MON and/or adjust it also.

KFMIRL/OP they need to be inverse of each other. That's that simple.
So what ever load value you get from KFMIRL map at any rpm/torque you need to get the same torque from the same load and rpm in KFMIOP map.
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s90power
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« Reply #2851 on: August 18, 2025, 10:37:08 AM »

If you copy LDRXN from R map you will get similar boost curve as R car if that is what you want?

You can extrapolate KFMIRL/OP to whatever values you want.
You can have 200%, 300% load axis or whatever you imagine Smiley

But you need to make sure you don't trigger TQ-MON and/or adjust it also.

KFMIRL/OP they need to be inverse of each other. That's that simple.
So what ever load value you get from KFMIRL map at any rpm/torque you need to get the same torque from the same load and rpm in KFMIOP map.

Yes I just want similar or a little more than an stock R, You can always tweak LDRXN when you get everything else working.
I am also a little scared of tearing the stock rods so maybe a little less boost in the bottom end of the curve would be wise.
It is probably the TQ monitor that has messed with me all along, It never ran very good at all with the R KFMIRL/OP and I also felt that it ran better with around 90% throttle than at WOT.
Here comes the issue, I have tried calculating the stock KFMIRL/OP tables and finding how they are exactly inverse but I cannot get it really right.
Take the stock 2.5T maps, KFMIOP 165.75% load and 3520RPM we have 94.008%, in KFMIRL at the same RPM it is 158.51%
If I take this 165.75 X 0.94.008 i get 157.475% which doesn't really add up, Is there a good way to calculate this ?
I would like to just make a spreadsheet in excel but I don't know how it´s calculated
 
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BaxtR
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« Reply #2852 on: August 18, 2025, 04:32:38 PM »

Nice Smiley What head gasket did you use? 2.3 paper one or R steel one?
R mls.. Its rowdy to say the least...
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Caide
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« Reply #2853 on: August 19, 2025, 04:20:25 AM »

Does anybody know why my S70 will only start on the original bin file, when flashing any other stock B5234T3 bin the engine just cranks. The eeprom has been cloned successfully
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prometey1982
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« Reply #2854 on: August 20, 2025, 12:33:28 AM »

Does anybody know why my S70 will only start on the original bin file, when flashing any other stock B5234T3 bin the engine just cranks. The eeprom has been cloned successfully
На поколении P80 иммобилайзер находится внутри флеш памяти.
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OddWorld
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« Reply #2855 on: August 26, 2025, 05:35:07 AM »

Hi,

Very interesting thread. Spent few days trying to read up, and currently on page 150/192 phew Smiley

I have a xc70 2.5T 2004 file which I cannot find any information (xdf or ols) for, I'm looking at the file because I want to know where the limitation is for removing the abs-fuse.
It's an old a-tractor modded ecu but it won't pass MOT today because of too high speed (32kmh) and unknown how and why it is not possible to rev / drive the car when you remove the abs-fuse.

Can anyone see anything in this file where the limit is for the abs-fuse?

Thanks in advance, I'll go back to reading the 42 pages that I got left of the thread. (sometimes really sad reading when you see good people passed away etc)

/OddWorld
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kostmonautas
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« Reply #2856 on: August 26, 2025, 08:45:35 AM »

Hey, I see your file version is 40lphj, so you can play around with this file. Just keep in mind it’s not 100% accurate yet, since I’m still testing and looking for things.
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OddWorld
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« Reply #2857 on: August 26, 2025, 10:35:05 AM »

Thank you, I will look into it. But I wonder if it might be hardcoded somewhere in the file. Will try to look more.

The xdf looks great but I could not see NMAXDV in the file, it might be the map I'm looking for. (if its not hardcoded somewhere)
« Last Edit: August 26, 2025, 10:47:24 AM by OddWorld » Logged
OddWorld
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« Reply #2858 on: August 27, 2025, 04:16:55 AM »

Hey, I see your file version is 40lphj, so you can play around with this file. Just keep in mind it’s not 100% accurate yet, since I’m still testing and looking for things.

Thanks kostmonautas

I used your xdf to copy maps from old file to new orig file. The loss of abs speed signal is located at 0x13EDC (found by a friend of mine, thanks) I added it to your xdf and will include it here incase someone else needs it Smiley



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s90power
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« Reply #2859 on: August 29, 2025, 08:38:54 AM »

Thanks kostmonautas

I used your xdf to copy maps from old file to new orig file. The loss of abs speed signal is located at 0x13EDC (found by a friend of mine, thanks) I added it to your xdf and will include it here incase someone else needs it Smiley

I am also working on 40LPHJ.
Not going that great though.
I have fitted green R injectors(968) and a 19T turbo but it will not boost past 0.5bar whatever I do.
Do I have to rescale MSHFMU when I have changed KRKTE ?
with this file it should ask for 165% load which should be around 0.95bar
I have not found any tool that can log on a 2003 so I do not have any more than a wideband and a oldschool boost gauge
My latest try with as little changes as possible is attached
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Dannyhaddon
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« Reply #2860 on: August 29, 2025, 12:33:10 PM »

I am also working on 40LPHJ.
Not going that great though.
I have fitted green R injectors(968) and a 19T turbo but it will not boost past 0.5bar whatever I do.
Do I have to rescale MSHFMU when I have changed KRKTE ?
with this file it should ask for 165% load which should be around 0.95bar
I have not found any tool that can log on a 2003 so I do not have any more than a wideband and a oldschool boost gauge
My latest try with as little changes as possible is attached


Haven't checked your file, but at a guess.. you will need to change the boost pid maps.
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s90power
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« Reply #2861 on: August 30, 2025, 07:37:02 AM »

Haven't checked your file, but at a guess.. you will need to change the boost pid maps.

I have transferred the only difference I saw between the R and 2.5T which was the KFLDIMX
Edit
KFLDRQ0-KFLDRQ2 are not the same, I will transfer them aswell and test ASAP
« Last Edit: August 30, 2025, 08:21:31 AM by s90power » Logged

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keichi
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« Reply #2862 on: August 31, 2025, 12:30:50 PM »

I have transferred the only difference I saw between the R and 2.5T which was the KFLDIMX
Edit
KFLDRQ0-KFLDRQ2 are not the same, I will transfer them aswell and test ASAP

You really should study whole torque model in FR first.
In your file you will not get more then around 130% load request because your highest KFMIZUxx is around 75% torque.
When you put that into KFMIRL you get around 130% load what is your current limit.
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Sashka_
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« Reply #2863 on: September 01, 2025, 11:01:34 AM »

Knock indicator. Variable B_BLKFB is used to activate the MIL lamp flashing if wkrma exceeds wkrma_target.
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toolstoy
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« Reply #2864 on: September 14, 2025, 09:14:13 AM »

Wow, took me about 3 hours to read through the thread but was well worth it! Love the community and sharing of knowledge!
I have a Ford Focus ST225, with Volvo T5 that I'm hoping to tune/log.

@Prometey1982, I was wondering if your flashing and logging tool can be used for my car?
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