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Old 07-30-2012, 01:54 PM   #1
w0ng3r
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Member#: 305528
Join Date: Jan 2012
Chapter/Region: BAIC
Location: San Francisco
Vehicle:
2011 WRX
Black

Default HALP! why is my boost so low?

Took this log last night. This is from my 2011 WRX, running a cobb sf intake + airbox and a Cobb OTS 91ACN map.

Am I reading this right or is there next to no boost even past 6k rpm?
https://docs.google.com/spreadsheet/...EZ4RGFOd2FNZ2c
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Last edited by w0ng3r; 07-30-2012 at 03:18 PM.
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Old 07-30-2012, 03:06 PM   #2
subiebosch
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Chapter/Region: MWSOC
Location: Wayne, MI
Vehicle:
2015 2500 Dmax
2011 WRX TP STG2 COBB DP

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can you post the log up in google docs? not sure if i'm the only one but i can't open it. If you do, make sure you set the privacy to public.
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Old 07-30-2012, 03:10 PM   #3
w0ng3r
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^

that should fix it
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Old 07-30-2012, 03:15 PM   #4
ryblair
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Location: Nevada
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2011 wrx premium
dark metallic grey

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Quote:
Originally Posted by w0ng3r
Took this log last night, running a cobb sf intake + airbox and cobb OTS 91ACN tune.

Am I reading this right or is there next to no boost even past 6k rpm?
https://docs.google.com/spreadsheet/...EZ4RGFOd2FNZ2c
Yes there is something definitely wrong here I'm runnin the same set up as you exactly and I'm not hitting very hight boost but your log is showing very unsteady numbers. Idk enough to tell you what is causing this but something isn't right. I'm hitting about 14 psi on this set up which is under the 16 it should be. I am also at 5000 feet of elevation so I'm sure that has something to do with it. Hopefully someone who knows more than I do jumps in on this thread. All I know is our log doesn't look right
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Old 07-30-2012, 03:17 PM   #5
ryblair
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2011 wrx premium
dark metallic grey

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I meant your log not our log
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Old 07-30-2012, 04:23 PM   #6
Cobb Tuning
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Location: Austin, DFW, Portland, SOCAL
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Quote:
Originally Posted by w0ng3r View Post
Took this log last night. This is from my 2011 WRX, running a cobb sf intake + airbox and a Cobb OTS 91ACN map.

Am I reading this right or is there next to no boost even past 6k rpm?
https://docs.google.com/spreadsheet/...EZ4RGFOd2FNZ2c
The log only shows that you were at partial throttle (around 30%) during this run. You will not hit full boost at partial throttle, even at higher RPM. In order to check your peak boost, you need to go wide open throttle (WOT), if you can do so safely. Check out our data logging video which has details on how to do a good, general run:


Bill
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