Automatic Transmission tuning.
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This is a discussion on Automatic Transmission tuning. within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; Whats going on guys. I have a 2005 wrx, automatic. I just put in a short ram intake and I ...

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    Automatic Transmission tuning.

    Whats going on guys.
    I have a 2005 wrx, automatic.
    I just put in a short ram intake and I do notice a slight boost but now theres a delay in the gear shifts.
    I figure a tuning would be the solution so i went to a guy who I was recommended to and he said he has everything needed, I just need to get the tuner which he claims runs about 80 - 90 bucks. I honestly have no idea what hes referring to, I see cobb tuners and so on for around 800 dollars. Anyone with automatic transmission tuning experience wanna help me out?

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    He also mentioned something about a map. This all probably sounds really rookie-ish to some of you but Im a complete noob at this.

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    The Default One SeattleJeremy's Avatar
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    When you say there is a delay in shifts, what do you mean? When was the last time the fluid was changed? Is there enough fluid?

    Where are you located? How many miles on the car? What brand of intake?
    Depending on the brand of intake, you may not need to have the computer tuned for it, but some require a tune.

    Cobb AccessPorts are $600, and are easily installed. However, the maps included with the AP require stock intake. For aftermarket intakes a custom tune is required.

    Edit: The "Map" is a engine tune that a Cobb AP or tuner installer loads on to the computer to control the air/fuel and spark.
    Last edited by SeattleJeremy; 05-01-2012 at 01:51 PM.

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    Registered User JaySin's Avatar
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    Just to give you an idea...I have a 2008 WRX auto - I bought a Cobb AccessPort (these come with built-in maps, although at the time there wasn't one for my particular model) AND went to a REPUTABLE tuner. For a good pro/dyno tune you're looking at around $400. Any less...run away! Altogether with the Cobb AP that I needed...we're talking almost $1,000 for my tune, but it was worth it! We started off with a built-in map that didn't quite match up with my upgrades and model, and tweaked it manually from there. It took a good 4-5 hours before everything was just right. It's been 3 years since that and all is well...can't say the same for a bad tune.

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    Teaneck NJ, 81000 miles, Perrin Intake..

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    Moderator Donkey's Avatar
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    You need to be more specific about what your tuner said. Maybe he was talking about Opensource tuning but you clearly are confused. Maybe email him for more details as no hand held tuning device runs for $90.
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    Registered User Ingo's Avatar
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    There is the Cobb Access port and then there is OpenSource. OpenSource is basically computer "nut's" building software for everyone and giving it away. It's like a freedom movement... They don't copyright the software, just request that credit be given where due and use of said software is ALWAYS at your own risk. There's a number of guys that went and made software for the subies Engine Computer unit and there is "Tactrix" interface, a OBD connector with a compuer's UBS port. This connects to a laptop and that in turn runs the software. The software is called Romraider, type that into the search function on the upper right on your screen and see what all comes up. There's lots to learn, I'm only just starting on that journey myself. The OP2 (as it's often referred to, aka Tactrix OpenPort) is mail order and cost's $179 + shipping. The software is free to download and use. It's my understanding that this is not as simple as Cobb's, but a lot cheaper and just as good, maybe better. There are tuners that'll sell the maps and send them as email attachments for the user to load into their cars, via laptop computer. These maps are the engine computer's database for keeping it running the best. Temps, charging pressures, rpm, load..., all these factors are used to determine air/fuel ratio and ignition timing. When major parts in the engines "breathing" are changed, the database needs to be adjusted for those changes. That's where the new maps come into play. I hope this helps a little to understand what this talk is all about. Then again I might just mess things up more than they already are... just disregard if that's the case...
    You can't have everything - where would you put it?

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    Registered User teflon_jones's Avatar
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    The intake didn't cause your delay in shifts. There's a separate issue there. A tune isn't going to fix that.
    Scott
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    Quote Originally Posted by teflon_jones View Post
    The intake didn't cause your delay in shifts. There's a separate issue there. A tune isn't going to fix that.

    It didn't start happening until i put it in.

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    Registered User JaySin's Avatar
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    It sounds like a strange coincidence to me...add or change your trans fluid...sooner than later.

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    Moderator Donkey's Avatar
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    Quote Originally Posted by OthatDillon View Post
    It didn't start happening until i put it in.
    Then verify by putting your stock airbox back on. If the problem goes away then you know it was the intake.
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    MAINEiac 11blackSTi's Avatar
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    Quote Originally Posted by oncemeetme View Post
    This one is very important information for me specially.I simply want to say thanks.
    "They don't copyright the software, just request that credit be given where due and use of said software is ALWAYS at your own risk"
    If you are going to bump a 10 month old thread at least bump one that has bewbs in it.

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