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Old 07-19-2012, 10:44 PM   #1
bmxbiker19892
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Default Will someone please look at this datalog?

I sent Braden over at xpt an email asking him to review the log and have yet to hear back from him. I am not even really sure if I logged the correct parameters as the timing looks pretty alarming. If someone could give me some advice I would appreciate it

Mods:
turbo back
xpt stage 2 map
k&n drop in


https://docs.google.com/spreadsheet/...Ud5cFJjZ3Zadmc

***3 back to back pulls***

full pull
https://docs.google.com/spreadsheet/...ExVeFYwZFlqOHc

full pull2
https://docs.google.com/spreadsheet/...XZ6SktBOUVFV2c

full pull3
https://docs.google.com/spreadsheet/...XFfaXhuVGF0MlE
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Last edited by bmxbiker19892; 07-21-2012 at 04:16 PM.
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Old 07-20-2012, 01:17 PM   #2
wgr73
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CAMTuning.com

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Your low load timing looks very erratic to me. Look at lines 27-28, throttle is the same, load is basically the same yet you have a major jump in timing. I'd log Feeback knock, Fine learning knock, and wideband as well.

The timing at the end of you log close to your pull looks better but low load looks very strange to me. I'm a semi-noob so take that with a grain of salt. My advice: Call your tuner asap and be very careful driving your car, if you have to drive it at all...until its fixed.
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Old 07-20-2012, 02:41 PM   #3
bmxbiker19892
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Just ran some more logs and I think this was the best run. What do you think?

https://docs.google.com/spreadsheet/...Ud5cFJjZ3Zadmc
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Old 07-20-2012, 03:43 PM   #4
Concillian
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The full pull timing doesn't look alarming.

There's some learned knock correction, but it's nothing to be worried about. No feedback knock says that the ECU has learned what it needs to and has done it's thing.

It's pretty common for an off-the-shelf tune to be conservative on fueling and set up timing so you'll see a tiny bit of learning knock initially, then let the ECU learn around that and from then on it's good.

Just don't go resetting your ECU if it's not necessary, this minimizes any knock learning.

Timing would be pretty aggressive if you were on 91. I'm assuming you're on 93. Seems in an okay place for 93 octane.
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Old 07-20-2012, 03:47 PM   #5
dux10
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It doesn't look terrible as I've seen alot worse from XPT maps....
But you do have some fine learning knock correction in the 5700 rpm range. Timing seems to ramp up smoothly though. You can pulla whole degree from the KCA table, reflash and then log again. You seem to be logging the right parameters for the most part. Maybe add IAT and if its available, AF Sensor #1 Resistance (ohms). The latter is the one I'd be more interested in...
What octane are you using? I'm assuming 93?
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Old 07-20-2012, 07:18 PM   #6
bmxbiker19892
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Thank you everyone for your responses. I forgot to post the octane I am running California 91. Everyone is assuming 93 is that a problem?
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Old 07-20-2012, 08:08 PM   #7
dux10
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ehh.... Kind of alot of timing for 91 ots map but the car seems to like it for the most part right now....
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Old 07-21-2012, 03:07 AM   #8
bjohnson_55
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timing isn't too alarming according to that log. I would do 3 back to back pulls and see if any knock shows up. Also, he doesn't give much authority to your KCA tables which is odd. Keep an eye on feeback knock correction. If there are any counts, you should get a different tune.
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Old 07-21-2012, 04:15 PM   #9
bmxbiker19892
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Quote:
Originally Posted by bjohnson_55 View Post
timing isn't too alarming according to that log. I would do 3 back to back pulls and see if any knock shows up. Also, he doesn't give much authority to your KCA tables which is odd. Keep an eye on feeback knock correction. If there are any counts, you should get a different tune.
I just did 3 pulls back to back like you asked. In the logs I had no feedback knock correction however when I was on my way to my spot where I do the pulls (driving very conservatively) I had an instance of -1 for feedback knock correction is that odd? Here are the logs and I will get a screenshot of romraider.

full pull
https://docs.google.com/spreadsheet/...ExVeFYwZFlqOHc

full pull2
https://docs.google.com/spreadsheet/...XZ6SktBOUVFV2c

full pull3
https://docs.google.com/spreadsheet/...XFfaXhuVGF0MlE
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Old 07-21-2012, 04:25 PM   #10
bmxbiker19892
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Old 07-21-2012, 05:29 PM   #11
Bamofo
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Running too much crusing timing for 91 octane... Also it looks like it dips too low when it initially hits load... seeing aroudn 12 degrees? but when your at 5500 its a little high for 91 octane... What AFR are you hitting on these pulls?
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