2012 WRX first data log - help - Subaru WRX Forum
 
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post #1 of 6 Old 03-17-2012, 10:46 PM Thread Starter
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2012 WRX first data log - help

Hello,

I installed the Cobb Sf today and loaded the Stage 1 +SF 93 v311 map. Pull done in third gear. Just wanted to know if someone could take a look for me. Knock, boost and wastegate seem ok to me. Is the A/F learning supposed to show anything? I'm gonna put more miles on it tomorrow and datalog again.

https://docs.google.com/spreadsheet/...tcDZuMlE#gid=1
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post #2 of 6 Old 03-18-2012, 05:45 PM
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Looks good to me. A/F learning should be at zero. If it's over or under, the car is adding/pulling fuel to hit target AFR's. Zero means no compensation is needed. If anything, boost seems a little low.

Whenever you do look at a log, the ones that really tell you if anything bad is happening is the Ignition Advance Multiplier (IAM/DAM), as well as feedback knock correction (FBKC). IAM should be at 1, and FBKC should be at zero. If you see any numbers other than zero in the FBKC colum the car is pulling timing because of knock.

-Chris
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post #3 of 6 Old 03-18-2012, 08:10 PM Thread Starter
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Quote:
Originally Posted by RcrsWetDream View Post
Looks good to me. A/F learning should be at zero. If it's over or under, the car is adding/pulling fuel to hit target AFR's. Zero means no compensation is needed. If anything, boost seems a little low.

Whenever you do look at a log, the ones that really tell you if anything bad is happening is the Ignition Advance Multiplier (IAM/DAM), as well as feedback knock correction (FBKC). IAM should be at 1, and FBKC should be at zero. If you see any numbers other than zero in the FBKC colum the car is pulling timing because of knock.
Thanks for the feedback.

I drove 100 miles today and did two more pulls in third gear. Boost still looks a little low. Was wondering if I should drive the rest of the week on this map or switch over to the sf +93 hwg map.

https://docs.google.com/spreadsheet/...yRGw2MWc#gid=0

https://docs.google.com/spreadsheet/...PRHFONXc#gid=0
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post #4 of 6 Old 03-19-2012, 08:45 PM Thread Starter
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Switched over to the Stage 1 +SF 93 HWG map. Compared to the first one it still looks good but boost is closer to target boost. Anyone have any feedback?

https://docs.google.com/spreadsheet/...hazc2cUE#gid=0
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post #5 of 6 Old 03-20-2012, 07:38 AM
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Log looks good... It's better to see a 2000 rpm to redline pull at WOT throttle. Looks like you're starting most of yours north of 3,000. You start off at about 30 mph in 3rd gear but it lets the log show you how the car does in transition a little better.

-Chris
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post #6 of 6 Old 03-20-2012, 08:13 PM Thread Starter
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I switched to the Stage 1 +SF 91 HWG map this morning and did a few more pulls after work. Noticed a little knock during my 3rd gear pulls but my 4th gear pulls look better.

3rd gear

https://docs.google.com/spreadsheet/...0T1I5Vnc#gid=0

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


4th gear

https://docs.google.com/spreadsheet/...1b3poVlE#gid=0

https://docs.google.com/spreadsheet/...McEg1U0E#gid=0
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