Mladen
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« Reply #1200 on: August 29, 2019, 01:31:07 PM »
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Not sure I understand what you want to do. Do you want to control at what RPM you start building boost?
Yes, the limited amount of knowledge i have on ME7 made me think this way but now I dont think its right? I looked at an bin for a S4. I want boost to build around approx 2500 rpm. Peak 14psi at 5500rpm. I can post my LDRXN. |
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Opti
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« Reply #1201 on: August 29, 2019, 01:51:05 PM »
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No you should do that in LDRXN and not KFLDIMX.
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Mladen
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« Reply #1202 on: August 29, 2019, 03:12:23 PM »
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No you should do that in LDRXN and not KFLDIMX.
That was how I understood as well from all the reading. I will experiment more with ldrxn. Its just that not having a obd flashing capability that does not cost an arm and a leg make this so much more time consuming. But whatever. If I post my bin can you tell me if KFLDHBN will need to be increased as well? |
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jahko
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« Reply #1203 on: August 30, 2019, 10:54:21 AM »
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fill the last column with 100's, take it for a drive and report back
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Opti
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« Reply #1204 on: August 30, 2019, 12:16:03 PM »
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fill the last column with 100's, take it for a drive and report back
Wouldn't that create the biggest overboost spike ever? |
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jahko
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« Reply #1205 on: September 01, 2019, 04:32:25 AM »
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mine has 110 in 2 cells from factory. It will show what the turbo and actuator actually want to make and if it gets pulled back by other maps. Although I can't remember what he was actually going for now I was wondering if he actually changes things on the car before asking the next question.
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Mladen
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« Reply #1206 on: September 03, 2019, 04:17:16 AM »
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mine has 110 in 2 cells from factory. It will show what the turbo and actuator actually want to make and if it gets pulled back by other maps. Although I can't remember what he was actually going for now I was wondering if he actually changes things on the car before asking the next question.
Right now everything is stock exept for injectors. They are from a T5. I modified hpa axis in IMX to 1000 on the last colomn, and the 2 before that respectfully. Kept the map data the same. Took the car for a drive and after 2 days boost builds to 14 psi and tapers off to 10psi towards 6000rpm. LDRXN has been modified as well. I will post it later. I did not stay in WOT too long since I did not have Vida with me to log. That will be done this week. |
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jahko
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« Reply #1207 on: September 04, 2019, 02:46:33 AM »
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That sounds like progress, are you happy you know what you're doing now?
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Mladen
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« Reply #1208 on: September 04, 2019, 08:36:46 AM »
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That sounds like progress, are you happy you know what you're doing now?
If that is supposed to be sarcasm, remember that things written in forums are not always read the same way by 2 different individuals. To answer your question, no I am not happy yet. I don`t have the knowledge that most of you do with ME7 since this is an older ecu. I am doing this for myself and finding time to work on my car is quite hard. I appreciate the help so far. |
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jahko
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« Reply #1209 on: September 04, 2019, 01:31:02 PM »
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Not sarcasm, I've taken an interest and you do seem to be getting somewhere. What's next then? Have you compared the other maps in T5 cars? KFZWOP and KFZW are detuned if ur starting on an LPT, then maybe revisit PED IOP and IRL to get the power delivery you want if your boost limits are now high enough.
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Mladen
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« Reply #1210 on: September 05, 2019, 07:35:25 AM »
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Not sarcasm, I've taken an interest and you do seem to be getting somewhere. What's next then? Have you compared the other maps in T5 cars? KFZWOP and KFZW are detuned if ur starting on an LPT, then maybe revisit PED IOP and IRL to get the power delivery you want if your boost limits are now high enough.
I don`t have a proper defined file for a T5. I have tried comparing with WinOls but it does not seem to work. Maybe you can help? My understanding is that WOP does not need to be modified? KFZW- My understanding is that I would need to LOWER timing at higher loads and rpm? Or keep same and use 94 Octane? I know that without a proper dyno and logging its impossible to get timing right so I would rather not play with it except to make sure not to melt the block. What do I need to do for PED? IOP and IRL have been modified. No interventions. Fuel injectors have been tuned. |
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jahko
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« Reply #1211 on: September 05, 2019, 12:25:23 PM »
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If you've defined your car and have bins for others you've got it all. Look at what Volvo did. Make changes and see what happens, it won't let you melt the block.
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Opti
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« Reply #1212 on: September 05, 2019, 12:40:54 PM »
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I modified hpa axis in IMX to 1000 on the last colomn, and the 2 before that respectfully. Kept the map data the same. Took the car for a drive and after 2 days boost builds to 14 psi and tapers off to 10psi towards 6000rpm.
Not sure I follow here, but if you've left the map-data the same for that table then you will not see any positive changes by just changing the axis. If your max axis value is for example 800 mbar, but you request 1000 mbar of boost then the ECU will use the values in the 800 mbar column. Now if you change only the axis, then you will get the same I-input in the 1000 mbar column as you previously did in the 800 mbar column, but if the boost request is now 800 mbar you will get less I-input than you did before, since you've left the map-data unchanged. You need to scale the whole map (or area in which you changed the axis) so that it now fits with the new axis. Hope that makes sense. |
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Mladen
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« Reply #1213 on: September 06, 2019, 06:44:12 AM »
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Not sure I follow here, but if you've left the map-data the same for that table then you will not see any positive changes by just changing the axis. If your max axis value is for example 800 mbar, but you request 1000 mbar of boost then the ECU will use the values in the 800 mbar column. Now if you change only the axis, then you will get the same I-input in the 1000 mbar column as you previously did in the 800 mbar column, but if the boost request is now 800 mbar you will get less I-input than you did before, since you've left the map-data unchanged. You need to scale the whole map (or area in which you changed the axis) so that it now fits with the new axis. Hope that makes sense.
this is what I did. I am still experimenting with it. (KFLDIMX) My LDRXN will look like this now. Dont mind Y axis in LDRXN. Its not defined. |
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Opti
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« Reply #1214 on: September 06, 2019, 09:06:14 AM »
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You should move the map-data for the 800 column so that you can tune the I-part in the 1000 column if you do not see the expected boost for that boost request. See illustration.
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