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Old 07-16-2008, 08:40 AM   #1
subieguy2
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Default New to Open Source/Tuning...a little help?

I am sorry but I am BRAND NEW to the open source tuning world and don't know much about it. I am looking to just do some data logging to get familiar with the process/terms/fields/etc.

I have RomRaider and ECU Flash installed on my laptop already but here are the specs on my car....
My car is a 2002 WRX sedan with the following modifications:

Ported 16G
STI pink injectors
EBay top mount intercooler
Stone Racing header and up pipe combo
Prodrive down pipe
Bosal exhaust
Walhbro fuel pump
ACT stage 1 clutch
Streetlight flywheel
Cobb Access Port (version 2) 16G 93 octane map
Can I use the cable that hooks up to my Access Port to hook up to a laptop and do some data logging?
I tried plugging the cable in and it is looking for drivers. I have no idea what to do so I installed the Cobb CD (that came with my Access Port) and it still won't communicate with the ECU.
Anyone willing to help the newbie on the block get this setup?
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Old 07-16-2008, 08:49 AM   #2
MIKE DD
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you need to get a tactrix cable, check out romraider.com for the os info.
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Old 07-16-2008, 08:53 AM   #3
subieguy2
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OK I will check more into that but the tactrix cable looks like it is identical to the access port cable (excluding the fact that the AP cable is 2 pieces).

So does this mean I don't need my Access Port or is it an added bonus to have the AP and the addition of the tactrix cable?
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Old 07-16-2008, 09:54 AM   #4
MIKE DD
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Well they both basically do the same thing just in different ways. Why are you considering using OS when you already have an AP? Do you just want to use it's logger? I thought APs could log (i know little about APs). So i'm kinda of confused as to what you want to accomplish here.

Oh and the tactrix cable has the drivers built in, that's why your AP cable won't work.
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Old 07-16-2008, 11:22 AM   #5
subieguy2
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I would like to learn to how do some tuning. I would like to do some data logging as well. If you can do data logging with an Access Port (version 2) that is news to me...but I am in the same boat as you and don't know much about the AP.

AP version 1 can do tuning and data logging with street tuner software. However my understanding (which may be incorrect) is that version 2 of the AP doesn't have the ability to do data logging or tuning (excluding a pro tune from a tuner). I would like to learn more about tuning...so I am checking into this kind of info/options.
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Old 07-16-2008, 12:01 PM   #6
Ego13
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Even if you could get those functions with a v2 it's really not comparable to OS tuning since there's about a $550 price swing.
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Old 07-16-2008, 12:49 PM   #7
subieguy2
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ok so what options do i have for tuning/data logging with my AP v.2? I have already bought the AP and am using off the shelf map (16g 93 oct.).....i would like to do data logging of my car and see about tweaking the map/tune.

The reason I was checking into open source is so I could learn more about tuning and didn't think my AP was capable of doing. (Excluding taking it to a tuner...which in that case I wouldn't learn anything).
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Old 07-16-2008, 01:06 PM   #8
MIKE DD
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Regardless of whcih route you take, you still can start learning the basics by reading up on Romraider, the process is different from the AP, but the principles are the same. There's also some good books on ecu tuning out there. Sorry can't think of the names currently.
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Old 07-16-2008, 06:58 PM   #9
boostdog
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Quote:
Originally Posted by subieguy2 View Post
ok so what options do i have for tuning/data logging with my AP v.2? I have already bought the AP and am using off the shelf map (16g 93 oct.).....i would like to do data logging of my car and see about tweaking the map/tune.

The reason I was checking into open source is so I could learn more about tuning and didn't think my AP was capable of doing. (Excluding taking it to a tuner...which in that case I wouldn't learn anything).

honestly get a taxtric cable and read as much as u can off the romraider forums/ and start up guides that are on that site. there are alot of helpful people on that site as well. logging is very easy to do...reading the log is another. i am still learning myself.
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Old 07-17-2008, 12:52 PM   #10
subieguy2
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ok thank you for the post and info....i guess because i am still so new i may be over looking something.

i got the driver installed and recognized for my cobb access port cable to function with the laptop.

when i open romraider, ecu flash, or ecu explorer on my laptop none of them are communicating with the ecu.

is this because i am currently running the cobb ots map (16g 93 oct.)?

does that mean i need to unmarry my access port before i can do anything...including data logs?

sorry so many questions...thanks again for all of the help/advice so far

also i see people talking about setting the com port for the cable...where do i set this up at?

and do i need to have the blue dongle plugged in to log....or the green test connectors?...

sorry so many questions....just trying to learn...hope i am not asking too much!

Last edited by subieguy2; 07-17-2008 at 12:58 PM.
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Old 07-17-2008, 01:12 PM   #11
MIKE DD
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I haven't heard of the AP cable working, but cool if you got it to.

I imagine you opened RomRaider and launched the logger? At the bottom it should say it's attempting to connect to the ecu. At the top in the left should be the com port listed
i.e. "com 3" No you do not need the blue dongle or test connectors to log.

It will log your ECU doen't matter that it was flashed with AP, but you will have to
unmarry it to make any changes.

Sometimes it take a few tries for mine to connect, i usually plug the USB then the OBDII and then start the car. The correct order is listed on RomRaider.
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Old 07-17-2008, 03:46 PM   #12
eminehart
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Quote:
Originally Posted by MIKE DD View Post
It will log your ECU doen't matter that it was flashed with AP, but you will have to
unmarry it to make any changes.
Very important here.... If you flash with OS over the AP map you have made you're AP useless. If you want to start tuning you're self than I suggest getting a Tactrix cable and selling your AP. After you unmarry it of course.
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Old 07-17-2008, 04:26 PM   #13
Jerry Xu
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can't seem to access romraider.com for a few days. Is that just me?
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Old 07-17-2008, 06:16 PM   #14
MIKE DD
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just brought it up, it's working. I've heard it's been up and down recently, not sure why.
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Old 07-18-2008, 07:43 AM   #15
subieguy2
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OK so say I do sell the AP and buy the tactrix cable. Then I start tuning using romraider or ecu flash or whatever other open source.

Do they have base maps available for me to download?

If so...I would actually like to sell my AP and do OS tuning.

If I sell my AP for like $650 or so....(only had it for a few months)....that would buy what I need for OS....as well as money towards next upgrade!!

anyone care to list out to the best of their knowledge...PROS and CONS to using OS as opposed to AP.

Thanks for all the replies and feedback!!!
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Old 07-18-2008, 08:26 AM   #16
MIKE DD
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Yes there are base maps you can download, again go to romraider for more info on this.

Pros: Cheaper, and you learn more about your car and tuning in general.

Cons: You really have to know what your doing, it's alot of research, not just plug and play like an AP. It does not have map switching (yet). Not as many tuners tune with it, though there are alot more recently.

Keep your AP until you have read everything on Romraider's site, then if you still want to make the switch go for it. OS is not something to be taken lightly. Learning to tune takes along time, and even if you know what your doing it will take some time to get the tune itself right. Gl with whatever choice you make.
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