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Old 10-11-2013, 01:14 PM   #1
Dillinja666
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Member#: 332644
Join Date: Sep 2012
Chapter/Region: SCIC
Location: A whales Vagina
Vehicle:
07 STI
It's white

Default Grr stupid fine knock and boost error

This was right after a reflash but I've found still driving for a bit doesn't correct the knock or boost error. Can you take a look at this log and give me some suggestions.. more fuel/less timing? I've been trying to get my TD boost error under control first since it is all over the board + and - but the last few logs have looked like this, knock in places where boost error is very minimal.

Thanks

https://docs.google.com/spreadsheet/...2c&usp=sharing
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Old 10-12-2013, 12:04 PM   #2
nmlittlebigman
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Member#: 321409
Join Date: May 2012
Chapter/Region: SWIC
Location: Arrey, NM
Vehicle:
2015 WRX LTD
WRB

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Can you log you AFR's with a wideband? What are your mods? You need to add engine load, IAM, mass airflow (g/s) and FBKC to your logs. Timing looks pretty conservative.
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Old 10-12-2013, 01:44 PM   #3
Dillinja666
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Default

Ok I'll get some logs with the above added, 1 question though, whats FBKC stand for in romraider? I'm logging fine learning knock correction, do you want me to log knock correction advance as well?

A wide band is my next purchase, being a student on a budget sucks, but I'm slowly getting the stuff I need. I was looking at the LC-1 which I have heard everyone loves using.

My mods are Tomei equal length headers and up pipe, catless dp, full 3 inch exhaust, EBCS, and stock air box and maf housing with an inlet tube cause my stock accordion one got oil soaked and ripped. Stock turbo, stock injectors and stock intercooler.

Last edited by Dillinja666; 10-12-2013 at 01:50 PM.
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Old 10-12-2013, 02:12 PM   #4
nmlittlebigman
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Member#: 321409
Join Date: May 2012
Chapter/Region: SWIC
Location: Arrey, NM
Vehicle:
2015 WRX LTD
WRB

Default

FBKC is Feedback knock correction. ECU has 3 ways to control knock: IAM, FBKC and FLKC. LC-1 is a good wideband but a little bit more involved to set up than AEM 30-4100 (Which is what I have). They cost about the same.

IT is HIGHLY ADVISABLE not to try to tune without a wideband. Your budget mindedness can cost you a new motor.

IDK if you have read this but it's a good start on tuning:

http://forums.nasioc.com/forums/show....php?t=1626520
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Old 10-12-2013, 02:28 PM   #5
Dillinja666
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Join Date: Sep 2012
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Location: A whales Vagina
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07 STI
It's white

Default

Ok well I can spring right now for either gauge, some guy a couple days ago bought my dual weber carb setup off craigslist

The story behind the tune is I got it road tuned locally by a guy, who did a fair job but me being the mechanic I am decided to go snooping around the tune and found a lot of half-assed stuff. The conservative timing, lots of boost error, funky AVCS stuff. I haven't messed with his ignition timing or fuel curve stuff yet because I don't have a way to accurately monitor it, so I've been messing with wastegate duty to make my car at least hit the boost levels he programmed in while I wait to pick a wideband.

I have not read that link before but it was on my to do list, looks like I should sit down and pour through it. Thanks for the suggestions, I appreciate it.
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Old 10-12-2013, 05:25 PM   #6
Dillinja666
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Chapter/Region: SCIC
Location: A whales Vagina
Vehicle:
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It's white

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