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Thread: Basic Introduction to ECUflash rom tuning and Evoscan logging

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    Basic Introduction to ECUflsh rom tuning and Evoscan logging

    Basic Introduction to ECUflash rom tuning and Evoscan logging

    I must point out these are not my videos and they are from a Mitsubishi Evo9 by r3compile.
    But they are so similar to the VR4 rom and mapping needs, it would be very rude not to use them.
    You must watch them in sequence and if you think the One that starts with Mivec tuning is not worth watching it goes on to other useful stuff part way through.

    From my point of view, if you watch and understand everything in these videos and I mean everything, then you are ready to start playing with you ECU.

    the first 3 videos are a bit wordy but you need to watch them and understand them to be able to understand the rest of the videos wihich are geeky but they need to be, and i can't stress enough that you need to watch them all and understand them. if you don't understand them then what ever you do, don't play with ecu by reflashing it, this is just the basic stuff you need to know, and if you don't get it then you could do some serious damage to your car.

    Enjoy!

    Part 1 of 16 basic intro to ECUflash finding you way round, what things are and where they live.
    http://www.youtube.com/watch?v=sKRohS_WSq8

    Part 2 of 16
    http://www.youtube.com/watch?v=LyL9y3qzGQE

    Part 3 of 16
    http://www.youtube.com/watch?v=TOxOkF4MyOQ

    Part 4 of 16
    http://www.youtube.com/watch?v=evleqGquIsk

    Part 5 of 16
    http://www.youtube.com/watch?v=3ZT_-LmiNwA

    Part 6 of 16
    http://www.youtube.com/watch?v=7ZNogoV8PSw

    Note:-
    When read evo scan logs you can use a feature called map tracer in evoscan, it was intoduced after these videos were made in 2009 I think. Map tracer will give you an equivalent fuel map layout, and you can populate it with data, e.g. Knock data. This will show you graphically where you are getting knock and how much in the actual load/ rpm cell in the table, which is very useful.

    Part 7 of 16
    http://www.youtube.com/watch?v=IEtCstpvTig

    Part 8 of 16
    http://www.youtube.com/watch?v=5muyFcbsg3g

    Part 9 of 16
    http://www.youtube.com/watch?v=_Mw1xb4ByOw

    Part 10 of 16 tuning your rom data (ways of making a tune smooth)
    http://www.youtube.com/watch?v=nOqTnFaK7yI

    Part 11 of 16 more tunning
    http://www.youtube.com/watch?v=TZv_nkUuD0k

    Part 12 of 16 Mivec cam tuning Evo 9 only boost tuning with stock boost solenoid
    http://www.youtube.com/watch?v=Dt-Bdr1EDnA

    Part 13 of 16
    http://www.youtube.com/watch?v=eaKmth-RpVs

    Part 14 of 16
    http://www.youtube.com/watch?v=Ubwc-4ZtDvo

    Part 15 of 16
    http://www.youtube.com/watch?v=eY5RDRP1Mow

    Part 16 of 16
    http://www.youtube.com/watch?v=ob1B1_bzrZ4

    here is 1-16 in one link m enu format
    http://www.youtube.com/watch?v=Dt-Bd...e=results_main


    here is another video, not sure how good it is as i use a external EBC, but it is all about replacing the stock boost solenoid with a GM or grimspeed 3 port boost solenoid valve to give you much better control of your boost with the stock ecu
    http://www.youtube.com/watch?v=rtCMULGy7iU
    again the video is a bit wordy but it shows you which tables you need to adjust and why. Oh and it is the most boring presentation style I have ever come across, but stick with it, the information is good. It does not really get going until about 5 mins into the video.
    Last edited by Davezj; 26-04-2013 at 11:15 AM.

    Bye for Now!

  2. #2
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    If you understand the above videos then these threads will be of interest to you.

    if you are going to edit the Diffinition file i find notepad++ is good for it.
    http://notepad-plus-plus.org/

    also Winmerge has a good file compare tool. so you can open 2 definition files and compare them to find the differences.
    http://winmerge.org/

    you can also use IDA to disassemble roms, but you need a license copy of i to use on .hex files, not sure if the free version works on .bin fiiles though not sure how to drive it. workhttps://www.hex-rays.com/products/ida/index.shtml

    so here is tutorial for IDA
    http://www.youtube.com/watch?v=zvWc-XsBKrA


    here is merlin's guide to tuning the VR4, most of it is lifted from the evo tuning manual but here was good enough to write it, it should be put here.

    Merlins EcuFlash VR4 TUNER GUIDE-V1.4_FULL.pdf

    the place to get evoscan and ECUflash and Tactrix 2.0 cable . (Evoscan $25 ish and ECU flash is free, tactrix cable is about £120)
    http://www.evoscan.com/evoscan-gps-obdii-cables

    initial install and setup of ECUflash to be able to read and reflash a rom
    http://www.clubvr4.com/forum/showthr...light=ecuflash

    Kenneths rom V1.03
    http://www.clubvr4.com/forum/showthr...neth%27s+v1.03

    Kenneths rom V2.0
    http://www.clubvr4.com/forum/showthr...neth%27s+v1.03

    safe lean cruise
    http://www.clubvr4.com/forum/showthr...neth%27s+v1.03

    E85 fuel mods
    http://www.clubvr4.com/forum/showthr...neth%27s+v1.03

    New ECU Mods
    http://www.clubvr4.com/forum/showthr...neth%27s+v1.03

    Nick Manns ECU tuning learning curve
    http://www.clubvr4.com/forum/showthr...neth%27s+v1.03

    Foxdie's tuning FAQ's
    http://www.clubvr4.com/forum/showthr...neth%27s+v1.03

    mechanical way to remove or reduce knock
    http://www.clubvr4.com/forum/showthr...light=ecuflash

    evoscan setting for bhp and torque calculator
    http://www.clubvr4.com/forum/showthr...light=ecuflash


    that should do for now but you find any ECU tuning threads then add them below.

    hope this lopt helps you the way it has holped me.
    Last edited by Davezj; 27-03-2013 at 02:40 PM.

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    Bloody brilliant, been reading the mapping threads and looking into things, I am a mechanical engineer by trade so was never interested in the electronics side of things, this has helped a lot as all I will want to do is raise the fuel cut load points and adjust fueling when I eventually do raise the boost, cheers.

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    A Mod should sticky this
    Manual Super #143/283

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    used pwnyoutube to download all of these

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    how have you downloaded them i looked for a download button on youtube as i have used this in the past but i looked for it and could not find it on these videos.

    what is pwnyoutube?

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    I have a bookmark set up in my browser window and i just hit it and download any youtube video

    http://deturl.com/

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    once you have initiated the pwn on the youtube video what do you do then?
    it just seems to show a load of stuff on how you can download it in different way but none of them seem to do anything.

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    you want to use the bookmarklet, then you get links at the top of the youtube page for downloading

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    cheers Kev sorted.

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    @adaxo
    Adam you always saide you wanted a basic guide to tuning!

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    Quote Originally Posted by Davezj View Post
    @adaxo
    Adam you always saide you wanted a basic guide to tuning!
    Yes Dave , but honestly, I got not time for nothing now, maybe next week I will look at this clips, what I need to do first is remove fuel cut as its VERY annoying now
    His FL Legnum VR4 running 238.8 ATW HP and 500Nm @1.05 bar on LPG
    Hers PFL Legnum VR4 COTY see here for full story
    Looking for AMSoil? click here

    living in north west?
    would you like to meet with other VR4 fanatics?
    click here

    My recent and ex Mitsubishi's


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    i can bob round on saturday and move it for you if that is all you need, i won't change anything else just push it up a bit.
    let me know if you want me to do that.

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    Quote Originally Posted by Davezj View Post
    i can bob round on saturday and move it for you if that is all you need, i won't change anything else just push it up a bit.
    let me know if you want me to do that.
    You more than welcome, bring on your fluids for change

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    i will see you on saturday adam.

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    Perfect writeup! Have some rep
    the one and only...Pearl White Legnum 25 ST-R...registered in Germany - now featuring a 6A13TT engine (unless you know otherwise)


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    very interesting

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    This is directed at anyone, just word of warning.
    Hopefully this will be a good start point for anyone to go from.
    But as I said In the first post if are not sure that you understand what you are doing don't do it.

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    I thought I'm gonna share some of my logging experiances.
    I was feeling brave and had play with timing advence.
    Running LPG without almost any knocking I decided to advence ignition timing so what I did was:
    load 0-100 +2deg (kept idle stock), load 120-140 +3deg, load 160 +2deg, load 180 more +1deg
    done few runs on lpg and results are below.
    Knocking still almost not existing so may be even more brave next time
    First run:
    AFR, coolant temp
    timing advence, knock sum
    Attached Images Attached Images
    Last edited by fassi1; 29-03-2013 at 11:40 PM.

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    Second run
    Attached Images Attached Images

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