Gpepes2012
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« on: September 27, 2021, 03:14:59 AM »
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Hello.Can someone check my file?I have made calibration for bam 380cc injectors maf vr6 k04 turbo AGU engine 1.8t.The file is not tuned.Only calibration maps.Thanks in advance
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Gpepes2012
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« Reply #1 on: September 27, 2021, 03:23:03 AM »
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Hello.Can someone check my file?I have made calibration for bam 380cc injectors maf vr6 k04 turbo AGU engine 1.8t.The file is not tuned.Only calibration maps.Thanks in advance
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_nameless
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« Reply #2 on: September 27, 2021, 09:10:22 AM »
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 Sure let me look in my magic globe here and see how you did.... Come on for real?? These cars need to be tuned on a wideband lambda for good results, you cant just take the maf curve from the vr6 file and expect it to work proper on the first shot when calibrating injectors too. Last one I DID was 440cc injectors and a vr6 maf with a k04-001 and it took a good 5 edits for fueling and maf, and another 5 or so for boost control and timing. IN most cases youll need to tune startup fueling too. |
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Giving your mom a tuneup
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Leonhard
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« Reply #3 on: September 27, 2021, 10:27:12 AM »
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I had a similar projekt... - there is no need to change FGAT0, leave it at 1.0 - check your KHFM -> 277/384*43860 -> 31639 - don't forget to reduce TLST.0/1 like KHFM - check MLHFM, linearization too low for VR6 MAF -> 989@4.98V ( 859@4.98V) good starting config to work on |
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Gpepes2012
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« Reply #4 on: September 27, 2021, 11:45:30 AM »
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Thanks a lot Marty and Leonhard for the response. You gave me useful information. Thanks again
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Gpepes2012
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« Reply #5 on: September 28, 2021, 06:11:46 AM »
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Another question.This is an Excel spreadsheets to calculate afr from 002 block from Ross-Tech site but it doesnt work for agu log.I think must change the constant value.What is for m3.8.3 ecu?
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Leonhard
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« Reply #6 on: September 28, 2021, 09:46:07 AM »
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you can use Block Data 002 as well, the only difference is load unit:
M3.8.X load comes with tl [ms/round], not rl [%]
check Block data 008 and 009, it's lambda-controller and fuel-adaption for lambda=1
and don't hasitate to use a wideband lambda for matching all over
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Gpepes2012
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« Reply #7 on: September 28, 2021, 10:24:30 AM »
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Thanks.i will check these blocks.How i can make the excel file to work for my logs?What need to set on load cells?
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Gpepes2012
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« Reply #8 on: September 28, 2021, 10:28:47 AM »
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Thanks.i will check these blocks.How i can make the excel file to work for my logs?What need to set on load cells?I can see block 007 fuel trims but not at wot.Maybe this excel helps me to see what happens at high rpm
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Leonhard
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« Reply #9 on: September 28, 2021, 12:30:28 PM »
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yes, fuel trims only working for part load (lambda=1) narrowband,
but gives you an idea where to go.
This excel calculation needs to be feed with a precise air mass signal,
that you don't have right now.
Go with wideband and compare/tune calculation results at full load
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Gpepes2012
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« Reply #10 on: September 28, 2021, 01:29:31 PM »
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Ok i will try.Thank you very much Leonhard
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eliotroyano
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« Reply #11 on: September 28, 2021, 05:47:43 PM »
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Just a comment I will not mess with MLHFM that way because you will modify load(ms) values in all related maps in that ECU.
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Leonhard
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« Reply #12 on: September 28, 2021, 11:07:01 PM »
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yes, load-range (0 - 12.8ms) will be scaled according new Injector-size.
This has to be considered in ignition-maps etc.
I prefer this way because load(ms) keep it's ori weight and Block Data 002 will show the new ratios.
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eliotroyano
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« Reply #13 on: September 29, 2021, 05:13:20 AM »
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if you are using a VR6 complete MAF why no just use the MLHFM tested OEM flow values from the donor car. After that you can tweak final KHFM value to follow OEM ECU low load(ms) data as a reference. In my case and some others at 1000mts altitude above sea level, with K04, GT28xx and G25-xxx turbos you can reach around 18-24psi boost up to last diagnostic LOAD value of 12.75ms with injectors from 350cc to 630cc. In that cases the suggested KHFM value = 31639 was low. Last word in this ECU is trial and error. Just a comment.
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Leonhard
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« Reply #14 on: September 29, 2021, 09:57:17 AM »
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yes, that's what I recommended for his config.
@Gpepes2012: I put the ori VR6 MAF linearization curve in this file unless you don't have it
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