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how-to: ECU-based direct boost control

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Old Aug 16, 2015, 12:16 PM
  #1081  
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Originally Posted by ixbreaker
^^ yea. what's the deal with the missing xml code for everything. I thought it was just certain posts. But it looks like all of the code is being deleted? Is it just mfred's work or everyone else as well?
+1

Admins what's goin on?
Old Aug 26, 2016, 06:13 PM
  #1082  
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88580714 direct boost control definitions needed.

Can anyone help?
Old Feb 26, 2019, 12:14 AM
  #1083  
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Man, there really is bugger all all that's been done for 90550701 ...
I've never been able to datalog WGDCC, it just sits at 63.5
Just like this guys: https://www.evolutionm.net/forums/ec...-wgdccorr.html

I'm guessing it' got something to do with that 8A and 8B thing.., but I'm not confident with changing MUT table values based on guides for other ROMs, has anyone ever done this for 90550701 before?..
Attached is my Evoscan formula for WGDCC & What I get whilst logging.
-Yes, I know i should just run an VIII USDM ROM, but I like the ALS Capability of the JDM VII ROM



Old Apr 17, 2021, 05:28 PM
  #1084  
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Looking for the same, for me it doesn't matter if it is for 88580014 or for 88580714.
Will the 88580015 instruction work?

thanks!

Originally Posted by Biggy VIII
88580714 direct boost control definitions needed.

Can anyone help?
Old Dec 15, 2022, 04:24 AM
  #1085  
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anyone ever tried ecu based boost with the Apexi AVC-R sensor? I'd like to know how

Last edited by Biggiesacks; Dec 15, 2022 at 10:08 AM.
Old Dec 15, 2022, 09:27 AM
  #1086  
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Nope.... because ECU based boost control is much better.
Old Dec 15, 2022, 10:08 AM
  #1087  
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Originally Posted by aqeelrizni
anyone ever tried ecu based boost with the Apexi AVC-R sensor? I'd like to know how
Are you asking if you can use the map sensor the AVC-R came with*, wired into the ECU instead of the JDM map sensor / omni (etc)?

If so, we would need to see a data sheet for the sensor to even know if it's possible. The voltage operating range would have to match the OEM sensor and you would need to know the scaling.

If that's not what you are asking, could you please clarify / elaborate the question?

*nothing wrong with recycling.
Old Dec 15, 2022, 11:08 AM
  #1088  
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Originally Posted by Biggiesacks
Are you asking if you can use the map sensor the AVC-R came with*, wired into the ECU instead of the JDM map sensor / omni (etc)?

If so, we would need to see a data sheet for the sensor to even know if it's possible. The voltage operating range would have to match the OEM sensor and you would need to know the scaling.

If that's not what you are asking, could you please clarify / elaborate the question?

*nothing wrong with recycling.

Ok let me clarify.

Yes I currently have the AVCR with the avcr map sensor wired into the ECU with a 3 port BCS to control boost via the controller and log boost on EvoScan. (As the JDM 8 never came with a MAP sensor from factory)

My question is if it's possible to use the MAP sensor off the AVCR that is already connected to my ECU (logging boost) to control boost (ECU based boost) instead of the ACVR controller?
Old Dec 15, 2022, 11:13 AM
  #1089  
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If you are able to log boost through MUT via evoscan, then yes you could use that signal for ecu boost control.

TBH that seems overly complicated and more likely to be problematic considering the alternatives.
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