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Old 05-04-2014, 09:01 PM   #1
Bmccomas
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best Data Logger, period

I posted this in the MK3 forum but this is slightly revised. I basically want to help out the community. My car as of this moment is bone stock (500ish miles) and I would like to install a full data logging system before making any type of mods. It seems like some of the mods don't seem to be tested very well independently.

I would really like something that has support for wideband O2 sensors, ideally, for at least 2 of them. In a perfect world I would like independent cylinder data logging as well.

I have really looked into the Innovated Motorsports MTX-L system because I can essentially install a full telemetry system in the car for under $1500. My main problem with this is, the MTX-L system will require permanent, warranty voiding, modifications to the car which I am really not ready to accept. Their LM-2 seems slightly less invasive, but to unlock the majority of the functionality of the system, it still needs extensive modifications to the car.

Is there a non-invasive approach to this? Or is my choice between "not invasive, but only reads what OBD2 will" vs "full engine performance down to the smallest detail, but say goodbye to your warranty"?


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Old 05-04-2014, 09:45 PM   #2
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Why?
The vast majority, I'd say 99%, of people have zero use to datalog like you're talking about.

Let's say you find #3 running leaner and hotter than the others; what do you do to fix this?
A: nothing. Without some type of tuning software you won't be able to do a thing about it. So this $1,500 you just spent only tells you what's potentially wrong.

vs

Spending the $500 or so for the SCT hardware/software and being able to have things adjusted. Kinda obvious choice far as I see it.


Also, there is OBD and there is Ford. They are not one in the same. OBD is Gov't mandated PID's and Ford has about 400+ more that you might be able to log. OBD consists of something like 40 PID's.
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Old 05-05-2014, 09:02 AM   #3
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The SCT xcal3 or the xcal4 would be your best option

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Old 05-05-2014, 07:20 PM   #4
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Quote:
Originally Posted by iminhell View Post
Why?
The vast majority, I'd say 99%, of people have zero use to datalog like you're talking about.

Let's say you find #3 running leaner and hotter than the others; what do you do to fix this?
A: nothing. Without some type of tuning software you won't be able to do a thing about it. So this $1,500 you just spent only tells you what's potentially wrong.

vs

Spending the $500 or so for the SCT hardware/software and being able to have things adjusted. Kinda obvious choice far as I see it.


Also, there is OBD and there is Ford. They are not one in the same. OBD is Gov't mandated PID's and Ford has about 400+ more that you might be able to log. OBD consists of something like 40 PID's.
The idea is that since my car is extremely low miles and bone stock if I get a powerful enough data logger, that I can essentially give a baseline for exactly how the car should run as Ford designed it. It will also give long term info on how the car runs in various conditions (wet/dry, cold/hot, easy/hard,etc)

Then slowly test various mods such as the snorkel delete. How does the car run in all conditions before and after? Why does it run that way? Same for various intakes, possibly true bolt on exhausts, etc

There are a few people who said they get much better gas mileage after an intake, a few others said it is worse, ive even read a few that said they had to take the intake off because the car stalls. Theories are that the computer is over compensating for increased air with increased fuel... wouldnt it be nice to have hundreds of miles of data logs in various conditions to see EXACTLY what the ECM is doing when it is stock, and when it has an intake?

I dont know if you have heard the "5 minute DCT fix" about the air box intake not being sealed properly. I could pretty easily "recreate" the problem if that is in deed the problem, and data log it. Again, more information out there, the better. Same thing for the "low octane vs high octane vs E85" debate. Something like this would settle that once and forever.

This isnt really for me (though I do get joy out of helping others) but more for the community to have all the data they could ever want. When the time comes (after my warranty expires and I buy a new DD) and I want a tune for the car, it will go to a shop to be tuned, data logged, dynoed, tuned, data logged, dynoed, you get the idea. We are years away from that point. If I discover #3 is leaning out and I have a below 1900rpm stutter, at this point, I will download the data log and off to the dealer it goes for them to make it right
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Old 05-05-2014, 07:22 PM   #5
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Quote:
Originally Posted by 1turbofocus View Post
The SCT xcal3 or the xcal4 would be your best option

Tom
Do either of them support wideband O2 sensors? (ideally an up and down stream)

Where would they fall short when compared to something like the Innovative Motorsports system? (I am guessing independent cylinder monitoring goes out the window at the very least)
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Old 05-05-2014, 10:34 PM   #6
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Yes the xcal3 or xcal4 will support a wide band air fuel gauge with connecting a firewire

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Old 05-05-2014, 11:28 PM   #7
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Do this, download SCT's LiveLink software --> http://www.sctflash.com/software/LiveLink.exe

After installed open it up, go to "Commands" --> "Configure Datalog Items For Strategy" --> enter you PCM code, I'm not sure where it is on the newer Foci, but old ones was on the PCM itself, Tom probably knows
Then you'll get a list of things you're able to log with an Xcal, anyone's Ford Xcal. If you can find a working one cheap on ebay, then that's all you need to spend. The logging software if free.

Odd's are you'll find more than you know what to do with.
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Old 05-07-2014, 12:31 AM   #8
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If im not mistaken the Xcal3 has an option for 2 aux inputs. I think its more geared for V8s with 2 headers each with its own wideband.
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Old 05-07-2014, 02:34 AM   #9
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Has 4 actually, 2 @ 5V & 2 @ 1V. Not many ever use the 1V inputs though.
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Old 05-07-2014, 04:26 AM   #10
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I was going to say 4 but i thought that was only for the software not the Xcal or the plug or something.

I remember when i made that little plug there were a couple extra wires. I remember i wasnt sure wich one to hook my wideband to the red or the orange or something.
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