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Old 02-04-2013, 09:02 PM   #1
RoadKillDMD
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Member#: 284792
Join Date: Jun 2011
Chapter/Region: RMIC
Location: Vanilla Valley, CO
Vehicle:
2011 STI
Blurple

Default Data Log After 6 Month Hibernation

My car has been in storage since October. I filled up with fresh gas and added some fuel stabilizer before putting her away. I've been driving like a granny since taking her back out, until today

Here's a data log i took:

https://docs.google.com/spreadsheet/...VOGZqNUE#gid=0

I'm not sure what to look for in the log, so I was hoping to get a professional consultation. Oh, and the obligatory mods list:

2011 STI
Invidia Catless DP
GReddy SE Catback
COBB SF Intake
COBB AP Stage 2+SF 91 Map

https://docs.google.com/spreadsheet/...4ZkJzMGc#gid=0

https://docs.google.com/spreadsheet/...oWFVaQ0E#gid=0
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Last edited by RoadKillDMD; 08-09-2013 at 02:33 AM.
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Old 02-05-2013, 08:51 AM   #2
Cobb Tuning
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Join Date: Mar 2001
Location: Austin, DFW, Portland, SOCAL
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Quote:
Originally Posted by RoadKillDMD View Post
My car has been in storage since October. I filled up with fresh gas and added some fuel stabilizer before putting her away. I've been driving like a granny since taking her back out, until today

Here's a data log i took:

https://docs.google.com/spreadsheet/...VOGZqNUE#gid=0

I'm not sure what to look for in the log, so I was hoping to get a professional consultation. Oh, and the obligatory mods list:

2011 STI
Invidia Catless DP
GReddy SE Catback
COBB SF Intake
COBB AP Stage 2+SF 91 Map
Log looks good except that you are overboosting a bit in the mid range. That could be problematic in higher gears. I would recommend reflashing the low wastegate (LWG) version of your map which you can find in the maps section at cobbtuning.com.

Bill
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Old 02-05-2013, 01:25 PM   #3
RoadKillDMD
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Member#: 284792
Join Date: Jun 2011
Chapter/Region: RMIC
Location: Vanilla Valley, CO
Vehicle:
2011 STI
Blurple

Default

Thanks bill, I am already running the LWGDC map on the car. Sorry, I forgot to mention that in the first post. The map says 'target boost 18.5 psi tapering to 14 by redline +/- 1.0 psi'. Is there anything I should do to help this? It doesn't seem like I have boost creep at all, but cold weather seems to spike higher boost levels. I've seen it spike as high as 19.* psi, but immediately tapers down.

-D
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Old 02-06-2013, 08:20 AM   #4
Cobb Tuning
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Join Date: Mar 2001
Location: Austin, DFW, Portland, SOCAL
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Originally Posted by RoadKillDMD View Post
Thanks bill, I am already running the LWGDC map on the car. Sorry, I forgot to mention that in the first post. The map says 'target boost 18.5 psi tapering to 14 by redline +/- 1.0 psi'. Is there anything I should do to help this? It doesn't seem like I have boost creep at all, but cold weather seems to spike higher boost levels. I've seen it spike as high as 19.* psi, but immediately tapers down.

-D
What gear was that run done in? You are within tolerances with the boost spike in the log - just the concern would be greater overboost in higher gears when you go WOT (for example, 5th or 6th), especially with colder temps. Just something to keep an eye on.

Bill
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Old 02-06-2013, 12:29 PM   #5
RoadKillDMD
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Member#: 284792
Join Date: Jun 2011
Chapter/Region: RMIC
Location: Vanilla Valley, CO
Vehicle:
2011 STI
Blurple

Default

Thanks again, Bill. My log was taken in fourth gear. I have seen the boost spike up above 19psi, but like you said, only in 5th and 6th gear. I know this isn't something I should do regularly, or even at all, so I don't. At highway speeds, I shift down if I need to accelerate.

Just a side question. I have an AEM wideband installed in the car. What kind of AFR's should I be seeing? Idle? Cruise? WOT?

-D
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Old 02-07-2013, 09:35 AM   #6
Cobb Tuning
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Join Date: Mar 2001
Location: Austin, DFW, Portland, SOCAL
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Quote:
Originally Posted by RoadKillDMD View Post
Thanks again, Bill. My log was taken in fourth gear. I have seen the boost spike up above 19psi, but like you said, only in 5th and 6th gear. I know this isn't something I should do regularly, or even at all, so I don't. At highway speeds, I shift down if I need to accelerate.

Just a side question. I have an AEM wideband installed in the car. What kind of AFR's should I be seeing? Idle? Cruise? WOT?

-D
With engine fully up to operating temp, idle/cruise should be around 14.7:1 (although there can be variances to this). At WOT, after initial spool, you will likely be somewhere in the mid to high 10:1 AFR range, maybe low 11:1 depending on load. Best way to check what the ECU is commanding as far as fuel is via the Comm. Fuel Final monitor.

Bill
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