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02-12-2013, 12:48 PM | #1 |
Scooby Newbie
Member#: 346819
Join Date: Feb 2013
Chapter/Region:
MWSOC
Location: Chicagoland
Vehicle:2013 WRX Sedan Dark Gray Metallic |
Total Newb: Flash ECU?
I just got my first WRX last Friday. 2013 Sedan. I have the Cobb AP and was wondering if I should flash the ECU to stage 1 for the break-in period. I've already put over 400 miles on it (mixed highway and in-town). After the first 1K, when should I upgrade to the cold air intake? After first oil change (3K)? Thanks, Loving this car!
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02-12-2013, 01:06 PM | #2 |
Scooby Specialist
Member#: 335013
Join Date: Oct 2012
Chapter/Region:
RMIC
Location: SL,UT
Vehicle:2013 Premium WRX 5dr WRB |
It shouldn't matter really. The sooner you flash the stage 1 ots map the sooner your car run on a better tune.
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02-12-2013, 01:07 PM | #3 |
Scooby Specialist
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Join Date: Aug 2010
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NWIC
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Vehicle:1993 LS1 RX7 |
Just do it now, it won't harm the car.
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02-12-2013, 01:16 PM | #4 |
Scooby Specialist
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02-12-2013, 01:20 PM | #5 |
Scooby Specialist
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Meh, I'd drive it stock for a bit. That way when you do go stage 1 you'll feel like you have made some gains. As for the CAI... at this stage it would just be for noise. The stock airbox is pretty good. Make sure to read before you mod:
http://forums.nasioc.com/forums/showthread.php?t=533787 |
02-12-2013, 01:26 PM | #6 | |
Scooby Guru
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Tri-State
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Vehicle:2010 WRX Satin White Pearl |
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02-12-2013, 01:52 PM | #7 |
Big Ron
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You have lots of learning to do. Start by reading http://forums.nasioc.com/forums/showthread.php?t=533787
You car COMES with nicely designed cold air intake so don't think that by switching to aftermarket that you are "upgrading" as by doing so you will need to get a custom tune for it. Custom tunes after labor and materials can be from $200 to $800. All that money for 8 HP? You can get that with no tune by slapping on a $100 lightweight pulley. Research twice, buy once. |
02-12-2013, 02:08 PM | #8 | |
Scooby Guru
Member#: 51961
Join Date: Jan 2004
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RMIC
Location: Broomfield, CO
Vehicle:2005 STi 2012 WRX |
Quote:
There is absolutely no reason to wait unless you want to give it some time to make sure there aren't any problems before tossing your powertrain warranty aside. If you do want to give it some time to make sure there aren't any problems, then the amount of time you want to wait is completely up to you. Personally, I felt like I was killing my engine every time it switched from CL to OL on the stock tune, so I flashed to stage 1 as soon as I possibly could. I think the car had something like 60 miles on it at the time...wish I could have done it sooner. |
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02-12-2013, 02:16 PM | #9 | |
Scooby Newbie
Member#: 346819
Join Date: Feb 2013
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MWSOC
Location: Chicagoland
Vehicle:2013 WRX Sedan Dark Gray Metallic |
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02-12-2013, 02:53 PM | #10 |
Scooby Guru
Member#: 51961
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RMIC
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Vehicle:2005 STi 2012 WRX |
What intake is it? Make sure that if you're using the stock intake you use a tune designed for the stock intake, and if you're using the CAI you use a tune designed for that CAI.
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02-12-2013, 02:59 PM | #11 |
Scooby Newbie
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Join Date: Feb 2013
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Vehicle:2013 WRX Sedan Dark Gray Metallic |
Cobb SF intake + sf airbox. Yeah, I'll want the map that doesn't include the SF until I actually put on the CAI.
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02-12-2013, 04:34 PM | #12 | |
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02-13-2013, 01:25 AM | #13 |
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Cobb SF (even with the SF airbox) is not a CAI, it is a SRI. The SF airbox helps to keep IAT in check, but you will still get lower IAT's with the stock airbox since it is already a CAI.
Run the Cobb SF intake if you like, there is nothing wrong with it and Cobb has a OTS map for it. Do not be surprised if the only difference is the intake noise and higher IAT. I would run stage 1 with the stock airbox for a little bit, get some good datalogs (with IAT) to get your baseline. Then install the SF intake/airbox, drive around some and repeat the same datalogs. You can do a comparison then and see how the car reacts to the aftermarket intake. Based on what the datalogs tell you and how you feel about the two intakes, make a choice and be happy. |
02-13-2013, 02:02 AM | #14 |
Scooby Newbie
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Vehicle:2013 STi Sedan Stg 1 Plasma Blue Pearl |
Research on how to use the AP to data log before you install the CAI. There have been certain instances where people with 08+ WRX's have experienced boost creep while using a aftermarket CAI. While you may not be affected by this problem, you won't know unless you're able to keep track of your boost.
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05-15-2013, 12:16 AM | #15 |
Scooby Newbie
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Join Date: Feb 2013
Location: Nj
Vehicle:2013 Impreza sti |
What if you reflash your ecu to stock settings will the people from the dealer realize that an ap was installed and how?
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05-15-2013, 01:22 AM | #16 |
Scooby Newbie
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MAIC
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Vehicle:2009 DGM STi E85+ 08/13 WRX,03 EVO,12 GT500 |
The ECU has a check sum counter that advances when flashed. This will most likely not be checked however, but that possibility is always there.
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05-15-2013, 07:36 AM | #17 |
Scooby Newbie
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