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Old 12-30-2012, 10:31 PM   #1
11SubieWRX4D
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Default 2011 WRX Stage 2

Finally going Stage 2 tomorrow. Question is, i wont be able to run a log until I get home, so will it be safe to run Normal Wastegate and do the changes after driving an hour later? When i went Stage 1, i was underboosting so i had to use HWG. Should I run Stage 2 HWG to match Stage 1 HWG that i was running?

My mods are Invidia catted dp and Q300.
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Last edited by 11SubieWRX4D; 12-30-2012 at 10:40 PM.
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Old 12-31-2012, 12:40 AM   #2
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Stay out of boost if possible and log as soon as you can. Unless something is installed horribly wrong and/or you avoid using crap/lower octane gas, you should be fine.
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Old 12-31-2012, 11:36 AM   #3
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Start with Stage 2 NWG. Then log to see if you need to run HWG.

It seems like you are going to install Stage 2 parts then drive home to update the tune???? Why would you wait?
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Old 12-31-2012, 11:43 AM   #4
11SubieWRX4D
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reason is i dont have a laptop to download and read the logs. Plus im not familiar with that area to do a test run.
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Old 12-31-2012, 05:24 PM   #5
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Just download the NWG map and drive easy. Chances are since you had to download the HWG map on your current stage 1 setup, you will need to do the same for stage 2. I did.
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Old 01-01-2013, 11:04 AM   #6
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Quote:
Originally Posted by 11SubieWRX4D View Post
reason is i dont have a laptop to download and read the logs. Plus im not familiar with that area to do a test run.
Just install the stage 2 NWG map until you can data log. You will be safe with an OTS tune.

Personally I would install the STG2 HWG map because I know the differences in the tunes and even the HWG is safe.
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Old 01-02-2013, 10:02 AM   #7
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Quote:
Originally Posted by 11SubieWRX4D View Post
reason is i dont have a laptop to download and read the logs. Plus im not familiar with that area to do a test run.
As others stated, you will be fine with the normal wastegate map. That is what you should start out with, only switching to the LWG map (for overboost) or HWG (for underboost) if those conditions occur. You can pull the log from the AccessPORT using any PC or Mac that is supported by our AccessPORT Manager software:
http://www.cobbtuning.com/AccessPORT...rt-s/40200.htm

Check out our data logging video below:

Bill
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Old 01-14-2013, 12:11 AM   #8
11SubieWRX4D
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Stage 2 Normal Wastegate

https://docs.google.com/spreadsheet/...Wo5M0puU0ZiNHc

Yikes, seems way to low in boost. Agree i have to switch to HW?

One thing to consider, i currently do not have a heat shield installed since I was not aware that the dp will require an aftermarket, i ordered a heatshield but will not arrive for 2-3 days. Should I leave it in Normal wastegate to be more conservative and not increase the heat?
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Old 01-14-2013, 07:28 AM   #9
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Just drive easy to avoid excessive heat to intercooler .What heatshield did you order?
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Old 01-14-2013, 08:06 AM   #10
11SubieWRX4D
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I ordered the Grimspeed one.
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Old 01-14-2013, 08:10 AM   #11
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Quote:
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I ordered the Grimspeed one.
Good choice! Perfect fit and great quality.
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Old 01-14-2013, 08:21 AM   #12
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Thanks! After reading reviews, Grimspeed seems to be the best choice for the money.
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Old 01-14-2013, 08:53 AM   #13
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Quote:
Originally Posted by 11SubieWRX4D View Post
Thanks! After reading reviews, Grimspeed seems to be the best choice for the money.
Enjoy the STG 2 power and log frequently to see what's going on.Good luck!
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Old 01-14-2013, 09:08 AM   #14
11SubieWRX4D
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Do you think I should flash to HWG with my current target boost without a heatshield?
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Old 01-14-2013, 09:22 AM   #15
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Quote:
Originally Posted by 11SubieWRX4D View Post
Do you think I should flash to HWG with my current target boost without a heatshield?
If the HWG map puts your boost where it needs to be, then Yes.Just don't do lots of long pulls until you get the heatshield put on.You don't want to heatsoak your intercooler, that can cause some knocking.
Are you using the ACN map?
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Old 01-14-2013, 09:25 AM   #16
11SubieWRX4D
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Yes, using the ACN. Ok, just flashed it to HWG. Won't be able to log until after work, but don't really want to WOT due to heat soak.
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Old 01-16-2013, 01:48 AM   #17
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Ok, here is my log with Stage 2 HWG ACN1. Looks good? Concerned about the feedback knock though.

https://docs.google.com/spreadsheet/...DAxXzF2UFpRS0E
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Old 01-16-2013, 10:57 AM   #18
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Originally Posted by 11SubieWRX4D View Post
Ok, here is my log with Stage 2 HWG ACN1. Looks good? Concerned about the feedback knock though.

https://docs.google.com/spreadsheet/...DAxXzF2UFpRS0E
Feedback knock is single count that actually occurred prior to this log (presumably when you mashed the throttle - which is just noise and not a concern).

I would watch your boost in higher gears as well as when it gets colder out as you are a tad over on boost. That isn't a big deal, but could mean more significant overboosting in 4th or 5th or when it gets colder out.

Bill
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Old 01-16-2013, 10:59 AM   #19
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The feedback knock you saw is just the result of stabbing the throttle at that low of an RPM. It went right back to zero fast. Nothing to be worried about.
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Old 01-17-2013, 01:40 PM   #20
11SubieWRX4D
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Bill, how would I go on about logging 4th and 5th gear? Would I have to go 2500-7000 rpm? Hope not cuz in don't want to get a ticket lol.
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Old 01-17-2013, 04:08 PM   #21
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A full log to redline isn't necessary to see if you're overboosting in 4th or 5th. Just log where you might typically go WOT in those gears. Perhaps from 3000-4500 or so in 4th and just below that in 5th
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Old 01-17-2013, 04:29 PM   #22
11SubieWRX4D
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OK, I'll do that then. Thanks.
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Old 01-18-2013, 07:54 AM   #23
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Quote:
Originally Posted by 11SubieWRX4D View Post
Bill, how would I go on about logging 4th and 5th gear? Would I have to go 2500-7000 rpm? Hope not cuz in don't want to get a ticket lol.
No, absolutely not. As other stated, you just want to see if you are overboosting too much in normal driving situations where you might go WOT in 4th or 5th for a very short period of time (if you can do so safely).

Bill
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Old 01-19-2013, 03:57 AM   #24
11SubieWRX4D
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Quote:
Originally Posted by Cobb Tuning View Post
Feedback knock is single count that actually occurred prior to this log (presumably when you mashed the throttle - which is just noise and not a concern).

I would watch your boost in higher gears as well as when it gets colder out as you are a tad over on boost. That isn't a big deal, but could mean more significant overboosting in 4th or 5th or when it gets colder out.

Bill
I haven't done the 4th-5th gear log yet but if it does go overboost, then i would have to use the normal wastegate? But from my first log, NW shows that its soft on the boost (around 15 psi). So would you recommend its better to go under than over? Or is that when e-tune/pro-tune comes into play to better accomodate my car for weather conditions?
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Old 01-19-2013, 06:26 PM   #25
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Its prob not weather related. When temps go low, so does your boost. It world with the Air intake temp sensor, If Im correct, and around 32 degrees your boost table changes. (Might not have worded that the best, but you get the idea.)

If you frequently go WOT in 4th or 5th, then yes, I would use the NWG map. Or, don't go WOT in those gears and just make sure it doesn't overboost in 3rd and go have fun.
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