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Stage 3 map not achieving boost target?

Old Oct 15, 2014, 11:46 AM
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Stage 3 map not achieving boost target?

I was wondering if anyone has this problem?
Has anyone found any solution?
Just wanted to see if there is a easy fix before I talk to Cobb.

Mods:2008 Evo x GSR
Turbo back Greddy ti-c, no cat
Ets intake (Map is scaled to intake already)
Fuel pump upgrade
Fuel pump rely
Cobb EBC

EBC is correctly installed, no kinks in lines or anything.
No boost leaks either.
Fuel is good too.
Old Oct 16, 2014, 01:37 PM
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Give us a 4th gear log with a minimum of: Throttle angle, boost, boost correction, LTFT used, Load, Map calcs, Maf Calcs, rpm, ignition timing, knock sum, WGDC fine.
Old Oct 22, 2014, 03:34 AM
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I have a third gear pull, ill try to get a 4th one later.
Attached Files
File Type: pdf
datalog4 datalog4.csv.pdf (34.0 KB, 0 views)

Last edited by harpreet1012; Oct 22, 2014 at 03:39 AM.
Old Oct 22, 2014, 08:22 AM
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Next time print in landscape. Anyway, I'm assuming you've done a boost leak test and all is well? If not, that should be your first order of business. If so, there are two ways to bump your boost back up and hit your load targets. The first is to let the ECU handle it and adjust WGDC until load targets are hit (reactionary). The second is to redo your WGDC map so that your targets are hit every time (proactive). I prefer the second, but it's an iterative process so it takes more time.

If you have ATR installed, shoot me a PM and I can walk you through it. If not, go to the Cobb site and request an ATR download first.
Old Oct 23, 2014, 06:48 AM
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Next time if you could upload just the .csv that would be awesome. You are off target by a couple pounds. What is your elevation and what temperature are you at, these could all factor into peak boost. Also, when was the last time you had the car smoke tested?
-Chris
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