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Old 03-18-2015, 09:29 PM   #1
JettyLife
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Default First time logging

Hey guys, first time logging and tuning, would you mind taking a look at my logs?
I believe everything is good, from what I've read online. I'll only be running the cobb stage 1 for a few days as I'm going to do the TP tune soon.
Stock air box/91 octane/stage 1
Cruising at 2800 RPM
https://docs.google.com/spreadsheets...it?usp=sharing

3rd gear WOT 2800-6000 RPM
https://docs.google.com/spreadsheets...it?usp=sharing

I think everything looks good, no knock throughout the entire process which is cool, I would've liked to start closer to 2500 RPM but this was the best I could do today.
Thanks everyone
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Old 03-18-2015, 10:50 PM   #2
snoopy_sti
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Looks good so far. No knock events. I know its hard to get a log from 2500 sometimes but it will show how things are spooling up and when you are on target. Try to roll the pedal into it though , don't just mash it down. I would start at 2300 and have the pedal all they way down by 2500.
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Old 03-18-2015, 10:57 PM   #3
JettyLife
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Ok cool, I'll try a lower one tomorrow on the way to work
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Old 03-19-2015, 04:24 PM   #4
JettyLife
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Old 03-19-2015, 08:52 PM   #5
JettyLife
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Bump. Can anyone just confirm that my logs look ok?
That's all
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Old 03-19-2015, 11:39 PM   #6
snoopy_sti
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Provided you have no boost leaks you might want to try the HWG map because your under boosting as indicated from your TD error. You should have hit your boost target by 3300 rpm. TD boost error shows how close you are to the target and should be +/- 1 PSI after spool up. A positive number indicated how far below you are from your boost target while a negative one shows how far over you are. You have no knock events so your still fine.
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Old 03-19-2015, 11:48 PM   #7
JettyLife
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Ok, I'll look for the HWG map. I'm assuming it's in the accessport somewhere.
I don't believe I have a boost leak... But I bought the car used so I wouldn't be surprised if it had some issue somewhere. I'll have to read up on finding a leak.
Thank you for the help!
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Old 03-20-2015, 08:08 AM   #8
snoopy_sti
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Go to the Cobb website, look under the map section, you have to download it.
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Old 03-20-2015, 11:52 AM   #9
JettyLife
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Gotcha
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Old 03-25-2015, 07:41 PM   #10
JettyLife
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Here's another log from tonight. It's not a WOT pull, I was getting some knocking at lower RPM's and I know that's not to unusual, but I just want someone to confirm that it looks OK.
Thanks
https://docs.google.com/spreadsheets...it?usp=sharing
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Old 03-25-2015, 09:23 PM   #11
ColdSoda
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check this out, there is some great information on this page about how to log, what to look for. and its from Cobb so you know the info is legit and worth reading: https://cobbtuning.zendesk.com/hc/en...How-to-Datalog

that log you just posted is not long enough, follow the instructions on the video and post up that log for us to take a look at.
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Old 03-25-2015, 10:02 PM   #12
JettyLife
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According to that article I'm good to go. All my WOT pulls are knock free. It's just low load, low rpm stuff where I get some fine knock learning. Max of -1.05, that's what the last log was trying to show. I think I'm good though overall.
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Old 03-25-2015, 10:05 PM   #13
ColdSoda
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^ sounds good! glad to hear its not knocking badly under WOT pulls. looks like you should be OK
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Old 03-25-2015, 10:08 PM   #14
JettyLife
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Quote:
Originally Posted by ColdSoda View Post
^ sounds good! glad to hear its not knocking badly under WOT pulls. looks like you should be OK
Thanks, I'm just new to this stuff and get nervous lol. I want to be safe... But I don't want the stock tune. It's too random and jerky. Plus the whole AFR thing.
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Old 03-26-2015, 12:03 AM   #15
snoopy_sti
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Just so you know. When the car hears what it perceives as a knock event it will pull 1.4 degrees of timing. Once it no longer hears it, it starts to add timing back in by 0.35 increments. So that is why you are seeing 1.05, 0.7 and 0.35 being subtracted. The car is actually not hearing any knock and is adding your timing back in, also this is at low load so don't worry. It will constantly be populating itself and zeroing itself out. Its what you see under WOT that counts.

Quote:
Originally Posted by JettyLife View Post
Here's another log from tonight. It's not a WOT pull, I was getting some knocking at lower RPM's and I know that's not to unusual, but I just want someone to confirm that it looks OK.
Thanks
https://docs.google.com/spreadsheets...it?usp=sharing
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