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Old 06-22-2009, 11:37 AM   #1
Erik F
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Default Cobb Stage 1 Logs and Graphs

These are my first logs and feeble attempt at graphing in Excel for my 09 wrx. I'm pretty pleased with how close the logs came to the actual map notes on Cobbs site. I figured I would post them for others to see and compare to.

http://www.flickr.com/photos/39788270@N08/
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Last edited by Erik F; 06-22-2009 at 11:39 AM. Reason: wanted to post vehicle
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Old 06-23-2009, 07:21 PM   #2
STIWRC111
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Ok, how did you do that? I have an 06 STI and have used my data log and I doubleclick on them but it wont show a graph like that. Actually it wont do anything. Is there something else I need to download?
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Old 06-23-2009, 08:14 PM   #3
b00stin
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Microsoft Excel or another spreadsheet program ^^^
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Old 06-23-2009, 11:09 PM   #4
Erik F
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Yeah they were done in MS Excel.

I use the scatter and line graphs...have someone that knows a little about Excel help you.
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Old 06-23-2009, 11:29 PM   #5
26525
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Quote:
Originally Posted by Erik F View Post
Yeah they were done in MS Excel.

I use the scatter and line graphs...have someone that knows a little about Excel help you.
Thanks for sharing. Your data will give me something to compare with my 09'wrx. Which map are you using, 91 or 93 oct? Do you happen to know your elevation? Did you datalog using the stock map before upgrading by any chance?
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Old 06-24-2009, 09:43 AM   #6
Erik F
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400 feet above sea level give or take. I did not do a baseline log, if I put it back to stock, the car would have to relearn...and I didn't want to have to wait. I figure if anything is screwy it will show up magnified in the tune. I am running the 93 octane tune since in NY there is only 87,89,93. I figured I would post so people could see, that at least for me, the tune is exactly what they said it would be. I do plan on doing more logs as sometimes one single log does not tell the entire story.
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Old 06-24-2009, 12:08 PM   #7
26525
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Quote:
Originally Posted by Erik F View Post
400 feet above sea level give or take. I did not do a baseline log, if I put it back to stock, the car would have to relearn...and I didn't want to have to wait. I figure if anything is screwy it will show up magnified in the tune. I am running the 93 octane tune since in NY there is only 87,89,93. I figured I would post so people could see, that at least for me, the tune is exactly what they said it would be. I do plan on doing more logs as sometimes one single log does not tell the entire story.
I assume you were on a dyno since you were able to run it up to redline in 4th gear
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Old 06-24-2009, 02:45 PM   #8
Erik F
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Not quite redline...but about 6200 RPM...we ran out of time other people showed up early that were using the same dyno that day
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Old 06-28-2009, 09:00 PM   #9
26525
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Hey Erik, on your 2009 was there an extra set of test connectors you had to connect before plugging the AP into the OBD port? When I get my AP I will load the stock map first and record data and then will do the same after flashing to stage 1. I'll try to upload for comparison purposes.

Last edited by 26525; 06-28-2009 at 09:07 PM.
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Old 06-29-2009, 01:41 PM   #10
Suby Noob
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There are no extra connectors for the 09 WRX

I would also like to comment on the knock correction graph. I did a 3rd gear pull on my 09 WRX sedan and I also had a -1.4 hit. I asked it in another thread, but I got no response. Is -1.4 within an acceptable range. I have seen people say that anything less than -3 is bad. Thanks in advance.
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Old 06-30-2009, 10:05 PM   #11
26525
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I just finished logging data using the installed Stock Map. I figured I should measure the stock value first as a baseline before going to a stage map. I'll do the same with the Stage 1 map in the next few days.

http://www.flickr.com/photos/40001697@N07/3677266062/

The 19 psi peak is interesting at 3400 RPM and 13.4:1 AFR. I did this run twice and got the same results.

Last edited by 26525; 06-30-2009 at 10:12 PM.
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Old 06-30-2009, 11:21 PM   #12
26525
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Well I just reflashed to stage 1 using the 91 octane map and after about 15 minutes of casual driving I get on the highway and decide to push it a little bit. While cruising around 60 mph the check engine light came on and when I pulled the code it was everyone's favorite P0244 "wastegate solenoid A out of range". I've read other people experiencing this but not on a stock car only using the Cobb stage 1 map. I'm not sure if I have a unique issue here but I'm a little worried. I'm wondering if the stock map logs I just posted indicates I have boost creep issues that need to be addressed before going to a staged map. Any thoughts??
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Old 08-06-2009, 11:41 AM   #13
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Quote:
Originally Posted by 26525 View Post
Well I just reflashed to stage 1 using the 91 octane map and after about 15 minutes of casual driving I get on the highway and decide to push it a little bit. While cruising around 60 mph the check engine light came on and when I pulled the code it was everyone's favorite P0244 "wastegate solenoid A out of range". I've read other people experiencing this but not on a stock car only using the Cobb stage 1 map. I'm not sure if I have a unique issue here but I'm a little worried. I'm wondering if the stock map logs I just posted indicates I have boost creep issues that need to be addressed before going to a staged map. Any thoughts??
Did you figure out what this was?
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Old 11-26-2009, 08:55 PM   #14
highvoltz
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Ever solve the problem? having same issue on 09 wrx with 93oct map
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Old 12-10-2009, 11:54 PM   #15
26525
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Yes, I did solve the problem. I found that the two vacuum hoses were installed incorrectly by the Turbo supplier/manufacturer. If you look at the turbo you will see two hoses, one with a pink dot and the other with a yellow dot. Inside each hose is a "restrictor pill" which as the name implies limits how much air can flow inside each hose. It is this flow of air to the wastegate solenoid and compressor located on the turbo that keeps boost within a safe range. I had to switch the hoses to fix the problem. I was very relieved to have successfully diagnosed this problem because there is no diagnostic troubleshooting in the Subaru repair manual that would give dealership technicians any indication this can cause overboosting. Even before I reflashed to stage one, I was hitting ~20psi without the check engine light coming on. I can only imagine how this could have impacted engine durability years down the road (20psi + lean AFR of stock tune = Bad)

This is what I am talking about: http://www.flickr.com/photos/40001697@N07/3711087939/


http://www.3gwrx.com/forum/index.php...1488#msg111488

Last edited by 26525; 12-11-2009 at 12:08 AM.
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