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Old 09-27-2013, 04:01 PM   #1
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Data Logs! Post them here.

I seen the GTR guys had a nice spot to upload and view Data logs from different types of tuners. Ecutek,Cobb and so forth.

I figured we have a ton of tuning options now and a lot of e-tunes. Not everyone knows about tuning and is putting there trust into e-tunes and different Vendors. Myself included.

I figured instead of just posting this I would go ahead and post my current logs that I have sent in to be looked at.

Since I couldn't upload the CSV files directly I put two logs into a zip file and attached it.

Currently the two logs have -2 knock and one with -3 knock. cruise logs I will be flashing back to stock tonight until its taken care of.
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File Type: zip Tunes.zip (213.6 KB, 577 views)
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Last edited by feldy; 09-27-2013 at 09:28 PM.
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Old 09-27-2013, 05:23 PM   #2
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good idea, i think if we can try and stay impartial and not attack tuners it will be an opportunity for all of us to grow our knowledge. I'll post some of my logs in a bit both for pump and E85.
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Old 09-27-2013, 05:27 PM   #3
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This... Also if you see something in the log that does not look correct. Please call it out. Not all of us know what we should be looking at. And it would help not to have comments like that tune sucks. Or I can tune better. If something is wrong say exactly what you think is wrong with it.

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good idea, i think if we can try and stay impartial and not attack tuners it will be an opportunity for all of us to grow our knowledge. I'll post some of my logs in a bit both for pump and E85.
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Old 09-27-2013, 05:44 PM   #4
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here are a couple 3rd gear street pulls, same stretch of road on 93 pump gas. This is my own tune. based on my 93 pump tune but i now have the following mods:

Fa20club.com 4-1 long tube (currently with cat, soon to be without)
nameless over / front with cat and helmhotz
custom ft86speedfactory varex catback

Varex is in the open position for both pulls. This tune is essentially my last pump gas tune with cam timing and fuel map revisions for the headers. If you look closely you can see that i am trying to dial out some overlap where the leanspot shows up at 3200 rpm.. also the injection volume will show why i think it is overlap causing the lean spot... as it is consistent with load.
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Old 09-27-2013, 05:48 PM   #5
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here is a log driving around log on E85, lots of wot, no knock correction. This was one of my last E85 logs before switching back to pump-gas a couple weeks ago for the header. After doing my E85 dyno tune, i never see anything greater than a -1 once in a while for feedback knock correction, mostly on roll in to throttle. My timing is a little conservative but based on when i stopped seeing gains on the dyno.
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Old 09-27-2013, 06:04 PM   #6
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Just a word of warning to folks, I have seen several times now (as have others), the car gets knocky on low fuel. At least with pump gas. If you are seeing lots of knock correction, low IAM, or low learned correction, make sure you are on atleat 1/2 tank and get another log after filling up if not.
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Old 09-27-2013, 06:08 PM   #7
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I will post my e85 logs here shortly. I have had great looking logs with e85 however over the last month I started to get weird check engine light codes. Which we have spoken about before. So back to pump gas.
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Old 09-27-2013, 06:26 PM   #8
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This is good stuff! Unfortunately, I do not have anything to share at the moment, but I would love to see some forced induction logs.
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Old 09-27-2013, 07:01 PM   #9
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Here are some more logs I just went out and did. I have a couple cruise logs. One of the cruise logs has 4 -2 knock events. some of the cruise logs had no knock events. and the 3rd gear to red line pulls had no real knock events.

So I'm at a lost how one cruise log can have bad knock events and others don't. or the 3rd gear pulls why are they not knocking like the cruise logs?

@mad_sb I did shut the car off when I was all done and turned it back on right away not even a 30 second gap and the IAM value completely reset.
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Old 09-27-2013, 07:14 PM   #10
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Different temperature or gas station? Could be switching to winter fuel mixes where you live..Solid engine mounts?

Just ideas without looking at the logs. Take it for what it's worth.
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Old 09-27-2013, 07:34 PM   #11
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Well the logs I just did now is the same temp and same gas station and has been for a while.

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Different temperature or gas station? Could be switching to winter fuel mixes where you live..Solid engine mounts?

Just ideas without looking at the logs. Take it for what it's worth.
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Old 09-29-2013, 03:03 AM   #12
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Quote:
Originally Posted by mad_sb View Post
Just a word of warning to folks, I have seen several times now (as have others), the car gets knocky on low fuel. At least with pump gas. If you are seeing lots of knock correction, low IAM, or low learned correction, make sure you are on atleat 1/2 tank and get another log after filling up if not.
Just a thought on this. It's possible that the knock/lean is related to the saddle in the gas tank. A lot of the FI guys are getting fuel starvation issues at half a tank or lower. Maybe this is the way it's manifesting for the NA guys.
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Old 09-29-2013, 04:25 PM   #13
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I thought i was having a fuel starvation issue too. right at 3500 rpm, if i have the pedal to the floor, car just bogs down and starts jerking. 3-6th super noticeable. I was hoping it was just a fuel thing, but just filled up and still same issue, car is barely driveable.

Logs from 1/4 tank.
https://www.dropbox.com/s/fesnlpg5xb...uartertank.zip

Logs after full tank.
https://www.dropbox.com/s/uhynp1se4y3znsq/fulltank.zip
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Old 09-29-2013, 04:41 PM   #14
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I'm not the best judge of these things but I know -knock 5 is not good.

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I thought i was having a fuel starvation issue too. right at 3500 rpm, if i have the pedal to the floor, car just bogs down and starts jerking. 3-6th super noticeable. I was hoping it was just a fuel thing, but just filled up and still same issue, car is barely driveable.

Logs from 1/4 tank.
https://www.dropbox.com/s/fesnlpg5xb...uartertank.zip

Logs after full tank.
https://www.dropbox.com/s/uhynp1se4y3znsq/fulltank.zip
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