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Discussion Starter · #1 ·
Hey everyone,

If you've been following the action you may have seen that a slew of Mazda3 ECU tuning efforts have been going on recently, but unfortunately the posting of results and progress have been hampered by some politics. Since I'm not privy to said politics however, and just care about getting information out to the community, I reached out to Mat (OVTuned) about making his set of free tuning maps available to the members of this forum.

The basic idea is that you need a MazdaEdit license and a Tactrix cable to talk to the ECU with, and from there you can overwrite the stock fuel, cam and ignition timing maps with these tuned ones to gain anywhere from 10-25hp from your engine. Tuning the car isn't exactly free of course, the MazdaEdit license and Tactrix cable both cost money, but the maps provided by Mat will be free and you can split the equipment cost between friends pretty easily.

I am not an expert on engine tuning yet, so Mat has kindly offered to put instructional videos on Youtube and Dropbox soon. In addition to those resources, there are several members on the forum that are experienced with MazdaEdit and can help out.

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Terms of Use: The files in the Dropbox account are free to use and free to share for individuals, for personal, non-commercial use ONLY. They are password locked for security reasons and members must send me a private message to receive the password. The password is not to be shared between anyone: any notification I receive that the password or any file has been leaked will result in the permanent removal of this free resource. Don't be that guy.

Any members affiliated with established tuning services or tuning companies may be able to access these maps, but will first be referred back to Mat for discussion on a case-by-case basis.

For members who have gained access to these maps, they are unlocked and free to manipulate. Members are free to talk about the maps, discuss, post modified maps, etc. but no part of the map, hex, or file itself may be used for commercial purpose, or shared without permission to an individual, entity or company with interest in utilizing this free resource for commercial purpose. Abuse will result in the immediate and permanent removal of this free resource.
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Legal Disclaimer: Although Mat has taken care to keep all stock safety protocols in place in each tuning map, Neither Mat or I shall be held liable for any damages resulting from the download, flashing, editing or use of these tuning maps. These files are provided for use at your own risk. Any information written in this post, I have done my best to ensure that it is accurate and safe to follow, but I shall not be held liable for any damages resulting from the use of information mentioned in this post. Neither I or Mat have affiliation with MazdaEdit or Tactrix, and we shall not be held liable for any damages resulting from the use or these products.

Make sure you have the correct map for your car's ECU before you flash. Mat and I will take no responsibility from damages resulting from an incorrect flash.
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And with the stuffy stuff over, let's play!

Dropbox Access:

To access the Dropbox, please send me a private message requesting the password. Once you have it, log in to Dropbox using [email protected] as the username, and the password you've been given. Once logged in, you will see the full list of free maps available to you. Note that not every map is relevant to your car! More on this in a bit.

How to Use:

Youtube links will be up soon to make this even clearer, but for now, a quick step-by-step:

1. You need a Tactrix Openport 2.0 before you can do anything. Borrow one or buy from here. No reflash adapters needed, plug it straight into your OBDII port located below the steering wheel close to the door.

2. Next you need MazdaEdit Personal on your computer (preferably a laptop). Download the software through this link and you can either buy the Personal License through the parent company or through Mat himself (I can give you his email address at the same time as I give you the password to the map files).

2b. MazdaEdit Personal must be installed to a computer that can communicate via USB to the Tactrix. If you don't own a laptop you will need to bring the computer down to the garage so you can work efficiently. Super-long USB cables are not recommended for this job. Plug your USB cable from the Tactrix into your computer.

3. When you purchase the software, you are given registration instructions: part of the registration process is to copy your stock ECU. When you do so through the software, you will be given your ECU ID from the MazdaEdit software Developer. Keep this ECU ID handy, Mat's maps are named according to ECU ID so you can easily tell which maps are for your car and which you should avoid.

4. Dive into the Dropbox and pick a map to try out. At this point, all the hardware you need should be connected, so download the map, load it into MazdaEdit and connect up flash it to your car! If you're a first-timer, you should do some homework before going for it, e.g. asking experienced members for help or at least consulting some of the existing Youtube videos on ecuEdit usage. We'll have Youtube videos specific for our application up soon, so you can also just wait till Mat has the clear instructions laid out for you. :)

What to Expect:

Each file has dyno tuned maps and settings, so expect some gains even with completely stock everything. With a car with full bolt ons (intake, exhaust, header) and 93 octane gas, you can expect greater gains across the board. The benefits are far more than just "peak power": the throttle maps have been cleaned up and made more linear, the compensation maps, timing maps, load maps, engine load compensations, and many more have all been re-worked to transform the overall driveability and performance of your car. Here is one example of what can be done with a little tweaking to these maps: after several iterations, this user gained 28hp and 20lb-ft from just the tune alone, and you can see that it's proportional across the power curve. So with that, good luck, stay safe, and have fun!







@Frnchplayr15 I know this may be a sensitive one, so let me know if if can't be posted.
 

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I think it should be made very clear(for the sake of transparency) that the dyno sheet you posted is NOT representative of the files listed in your drop box account. In fact as I recall correctly, the top trace on that sheet is with a piggy back, the next one is with Advanced Performance working with the MazdaEdit software, while the two bottom traces are from work done by OV.

It IS interesting to note that Advanced performance had never seen the MazdaEdit software before the dyno day, and that OV had been working on this file for several weeks.


Now, I am all for open source tuning, and in fact all of us who do this as a profession started out as OS tuners and developers. But you need to be aware of what your getting into here, and not be misled into believing that a simple OTS file an a few days on playing around with a new software will net you a fully custom tune for your car.

I also notice that your post states that "Each file has dyno tuned maps and settings". Would you care to back that up with the dyno sheets for each and every platform? I only ask because you made the claim( and I suspect it was something you were told was true).


BTW, for those of you that do decide to take the foray into playing with your own car; We have been approached recently by several folks that got started down this path and decided it was not for them, and were looking for a well calibrated, dyno tested ROM file. So we have now started our C-n-C service for those folks. Don't worry, we can fix it, no matter how bad the file is!
 

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"unfortunately the posting of results and progress have been hampered by some politics."

WHOSE results have been hampered by "some politics"? I've been following Crespo's tuning adventure, and while it seems to be taking forever and a day to get a final result (good or bad), I've yet to see a deliberate slowdown of posting results brought on by a "political" movement instigated by the mods or owners of this site.


"Since I'm not privy to said politics"

So you're taking "someone's" word on the political thing.....I'd be careful taking that stance. If you have proof of something, post it....otherwise, it would have to be considered as hearsay and not useful without solid evidence. Please, let's not muddy the water with innuendo and subtle-but-sinister warnings when it comes to tuning our cars.
 

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And the shitstorm already starts. Sigh.... Can we just have Brian's as a locked post please @Frnchplayr15. PLEASE.
I'm just going to clean it up eventually. I mean to me it's nothing more than a product announcement. Like a new brand X exhaust available at brandxexhausts.com, so I don't see why ppl are up in arms about it. (Well I know why some would be)
 

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Discussion Starter · #6 ·
Please and thank you @wingzero_.

@Dynotronics1 unless you have legal basis to complain, I'm going to ask you to stay out of this. I can better attempt to articulate the risks of open-source tuning but beyond that, it's on the user. And I specifically noted that the dyno results happen after tweaking of your own. We're providing exactly what it says on the can, files that you can use to tune your car, and nothing else.
 

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@Dynotronics1 unless you have legal basis to complain, I'm going to ask you to stay out of this. I can better attempt to articulate the risks of open-source tuning but beyond that, it's on the user. And I specifically noted that the dyno results happen after tweaking of your own. We're providing exactly what it says on the can, files that you can use to tune your car, and nothing else.
No, that's not what you said;

What to Expect:

Each file has dyno tuned maps and settings, so expect some gains even with completely stock everything.

I simply ask you if you would like to produce the dyno sheets.

You also alluded to the dyno sheet in the post being results from these( or other files) done by OV. This is somewhat fraudulent is it not?

And since my post was aimed at "helping the community" which I believe is the battle cry of C-n-C, why should you be offended?

I simply wish to make clear some of the statements you posted. I believe I have done this in a very professional and courteous manner, have I not?

So again( and not to muddy the water here) can you produce dyno sheets for each platform( Malco 2.0/2.3/2.5 and denso 2.0 and skyactiv) that back up that statement? If so I am quite sure the "community" would like to see them, as would I.

And Wing, even as you and I have had our differences, I agree with you 100%. As stated before, we sell far more open source based tuning than we do closed, so the more educated the folks are, the better the understanding the difference between free and paid for work
 

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What's up? What's the problem now?
 
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Discussion Starter · #9 · (Edited)
No Joe I don't see your comments as respectful at all. You know the kind of work that Mat has put out over the months, yet you decide to interject here and advertise your paid services as an alternative to this free open-source release. This is not the place for that.

The information that Mat has given me states that the lines on the dyno plot reflect states of tune using the MazdaEdit suite. If you prove this is incorrect I will correct it. The maps themselves as released are also dyno tuned as per Mat's information. If you want to dispute that, you have burden of proof. PM me instead of posting to here as further discussion will simply take away from the purpose of this thread.
 
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What to Expect:

Each file has dyno tuned maps and settings, so expect some gains even with completely stock everything. With a car with full bolt ons (intake, exhaust, header) and 93 octane gas, you can expect greater gains across the board. The benefits are far more than just "peak power": the throttle maps have been cleaned up and made more linear, the compensation maps, timing maps, load maps, engine load compensations, and many more have all been re-worked to transform the overall driveability and performance of your car. Here is one example of what can be done with a little tweaking to these maps: after several iterations, this user gained 28hp and 20lb-ft from just the tune alone, and you can see that it's proportional across the power curve. So with that, good luck, stay safe, and have fun!

Thanks for your help in bringing this to our forum! We finally have posted dyno results of what can be done to what I am assuming is a skyactiv 2.0, and the future looks bright :001_smile:

For the dyno, could you please clarify what is shown by the curves? My understanding is that the bottom curves are basically OV's files loaded straight-up, whereas the top two (looks green & purple) are dyno runs using OV's maps after they were "tweaked" to work with the specific car that was tested? Was it a Mazda 3 2012 or 13 skyactiv 2.0? And does "tweaked" mean that the user has taken the original safe maps from OV and performed changes with MazdaEdit software to optimize the timing for their car specifically (ie. adjusted to be a few steps before reaching detonation)? Or does tuned imply other big changes that would require the help of an expert tuner? Thanks very much!
 

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Based on those numbers, it has to be a 2.5, not a 2.0L gen 2 sky. Stock whp for gen 2 is in the 155 range for 2.5L and our 2.0L skyactiv is more like 135.

Thanks for your help in bringing this to our forum! We finally have posted dyno results of what can be done to what I am assuming is a skyactiv 2.0, and the future looks bright :001_smile:

For the dyno, could you please clarify what is shown by the curves? My understanding is that the bottom curves are basically OV's files loaded straight-up, whereas the top two (looks green & purple) are dyno runs using OV's maps after they were "tuned" to work with the specific car that was tested? Was it a Mazda 3 2012 or 13 skyactiv 2.0? And does "tuned" mean that the user has taken the original safe maps from OV and performed changes with MazdaEdit software to optimize the timing for their car specifically (ie. adjusted to be a few steps before reaching detonation)? Or does tuned imply other big changes that would require the help of an expert tuner? Thanks very much!
 

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Discussion Starter · #13 ·
I need to press Mat to get us a more recent dyno picture actually as @StaFForD for example has gotten significant gains from Mat's tuning but I don't know which Sky-2.0 has actually been put on the dyno.
 

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I need to press Mat to get us a more recent dyno picture actually as @StaFForD for example has gotten significant gains from Mat's tuning but I don't know which Sky-2.0 has actually been put on the dyno.
Thanks, would be nice to get this info. For now, do you know what is meant by some "tweaking" of the maps required to get the maximum gains in power (top curves)? Is this merely adjusting the timing for the specific car that is being used, or much larger changes to OV's maps?
 

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Discussion Starter · #15 ·
Given that these are OTS maps, they won't be perfectly optimized for an individual engine. So you could be close or far away from maxing out and I wouldn't be able to tell you off the bat.
 
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Most likely you'll want to optimize an off the shelf tune (timing and afr's) to the quality of the fuel you have available in your area and the condition of your engine. If you have 93 octane available you'll be able to run leaner afr's and more timing than if you only have 91 in your area. As I understand it Canada is all about the fuel quality also. Some 93 up there contains no ethanol so although you get better mpg's the tune can't be as aggressive if you want to stay safe. The way to tune is to make small adjustments to the software and then log to see how the car reacts. Print the logs out and study them. Then you make more small changes upward or downward and log again. You do this several times till the tune is optimized without compromising reliability. Generally you let knock be your guide. Small changes to the tune lets you see a problem before it become an issue.

By small changes I mean changing timing in half degree increments, not whole degrees and afr change are made only in tenths. Move things in tiny increments and you'll have control over the tuning process.
 

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Nice, I didn't realize ethanol helps prevent detonation... In Canada, I believe all our 94 blends have ethanol (10%). These high octane blends are basically premium with ethanol added to reach 94. Some of our 91 brands (eg. Shell) do not use ethanol, so I will watch out for them if I plan to stick with 91.

By small changes I mean changing timing in half degree increments, not whole degrees and afr change are made only in tenths. Move things in tiny increments and you'll have control over the tuning process.
Is this done in a specific order? First try to optimize eg. AFR throughout the rev range, then once that is done, work on timing, or do both at once?

If anyone knows any good website resources for open source tuning with NA engines, please post the links.
 

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If you guys are interested, I can post of some of my latest logs so you can see how my car is reacting to the tune.

also if you have any questions on the process or any general questions please don't hesitate to tag me.

Edit: As I've stated before, after I get the Phantom in the mail and tuned for it, I'll be getting a dyno of stock, NA, and Phantom for a all in one comparison
 
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