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Old 02-24-2018, 10:28 AM   #1776
Straight6
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Quote:
Originally Posted by ToastyWRX View Post
1st post here, got my 2015 WRX in July, completely stock. Just last week I got an AP and this week I installed the Cobb BigSF intake. I'm running the Stage 1+ 91 octane HWG.

https://datazap.me/u/toastlover/cobb...5-8-9-10-18-19

From what I can tell (by reading a bunch of these logs in this and the Cobb development thread), everything seems pretty normal.
I was getting a bit nervous because my AF Learning 1 was hanging out at ~ +17 cruising. My daily commute is only 3 miles though so the car was never really warmed up, plus I only put maybe 70 miles on it since flashing. Drove for quite a while this morning on the freeway when I got off work to get a good 3rd gear pull though and looks good.

Anyway, if anybody notices anything off with this log, I'd appreciate a response. I am a bit curious if the boost is supposed to drop as it approaches redline.
I am no expert but that is super lean, underboosting big time and knocking in the higher RPM...
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Old 02-24-2018, 11:23 AM   #1777
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Don't know what the ambient temp was for his pull but manifold temps were in the mid 30s so the cold weather may have played a part in the low boost. It does seem very lean though.
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Old 02-24-2018, 02:19 PM   #1778
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Originally Posted by Straight6 View Post
There are many logs here and I have done plenty myself. I prefer the MAP tune but the HWG COBB v300 maps are just as strong. MAP is smoother for sure but I was getting too much cruise knock driving around with both. E tune eliminated that issue and it picked up a lot more power in the midrange. I would honestly be very happy with the MAP tune power wise if it wasn't for the random knock issues. I like this tune a lot.
thank you! and yeah that is my bad for not scrolling through 71 pages I should have read the fking posts!

a protune with cobb might be a better/safer process than OTS then? (New to the modding my daily scene...)
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Old 02-24-2018, 02:30 PM   #1779
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thank you! and yeah that is my bad for not scrolling through 71 pages I should have read the fking posts!

a protune with cobb might be a better/safer process than OTS then? (New to the modding my daily scene...)
You can run the MAP tune. It should be fine and with the AP you can monitor lots of things. I would suggest reading this thread. I learned a lot just in this very thread. An etune is just more precise to your specific car. You can buy the AP from MAP and then Ian will email you their OTS tune for free. I would start from there and if you run into issues you can move on to a etune.
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Old 02-24-2018, 03:45 PM   #1780
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Quote:
Originally Posted by ToastyWRX View Post
1st post here, got my 2015 WRX in July, completely stock. Just last week I got an AP and this week I installed the Cobb BigSF intake. I'm running the Stage 1+ 91 octane HWG.

https://datazap.me/u/toastlover/cobb...5-8-9-10-18-19

From what I can tell (by reading a bunch of these logs in this and the Cobb development thread), everything seems pretty normal.
I was getting a bit nervous because my AF Learning 1 was hanging out at ~ +17 cruising. My daily commute is only 3 miles though so the car was never really warmed up, plus I only put maybe 70 miles on it since flashing. Drove for quite a while this morning on the freeway when I got off work to get a good 3rd gear pull though and looks good.

Anyway, if anybody notices anything off with this log, I'd appreciate a response. I am a bit curious if the boost is supposed to drop as it approaches redline.
EDIT: just realized I forgot to add comm fuel final AFR to my log. Next one I will.
You either have a leak or the Big SF intake is just atrocious. You're care is carrying AF Learning 1 while in open-loop and you're still running at least 1.5 points leaner than intended. Your map is targeting probably 11.1~ and you're hitting 13.5 in some places- which is probably why you are knocking at 5400.

At first you hit boost target but are unable to sustain it and it drops off really quick. Might be another indication of a leak. Check the installation on the Big SF first.
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Old 02-24-2018, 08:43 PM   #1781
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Originally Posted by GlarryHoodDIT View Post
You either have a leak or the Big SF intake is just atrocious. You're care is carrying AF Learning 1 while in open-loop and you're still running at least 1.5 points leaner than intended. Your map is targeting probably 11.1~ and you're hitting 13.5 in some places- which is probably why you are knocking at 5400.

At first you hit boost target but are unable to sustain it and it drops off really quick. Might be another indication of a leak. Check the installation on the Big SF first.
Thanks, I did the intake myself and I had a tough time connecting to the turbo inlet, I'll check it out to make sure I didn't leave a leak there.
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Old 02-24-2018, 08:53 PM   #1782
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With AF Learning that high at cruise it really indicates some kind of leak. Your car was constantly adding 17% more fuel in order to hit correct AFRs at low load, so when you went wide open throttle and transitioned into open loop there was no way for your car to correct the problem on its own (AF Learning is disabled during open loop fueling), hence you running really lean.
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Old 02-24-2018, 09:30 PM   #1783
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Thanks, I'll definitely get it on ramps and make sure all the connections are tight. I work the next 4 nights in a row and have school in the mornings so I probably won't get to it until Thursday. I wont go into boost until I've fixed it.
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Old 02-25-2018, 06:04 PM   #1784
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General question time.

On certain intakes doesn't filter placement relative to the MAF matter? I recall Grimmspeed on my buddies FR-S saying exactly 1 inch from the MAF housing.

Could misplacement throw off scale enough to where it could affect AFR?
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Old 02-25-2018, 07:07 PM   #1785
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I got under the car today and made sure there were no leaks, adjusted a few things. The intake fits much more snug in the bay after now, which is nice. Took it out, it is still running lean and underboosting right after it hits peak boost. This log doesn't show it but I have another where it hit 19psi and dropped to 16 for the rest of the pull. Also, why does the built in boost gauge not match the AP boost gauge? It is also 30F here currently and I'm at 4000ft altitude if that matters at all, but I thought TD Boost Error took that into its measurements

https://datazap.me/u/toastlover/log-...-9-10-11-19-20

Quote:
Originally Posted by gn4rwhals View Post
General question time.

On certain intakes doesn't filter placement relative to the MAF matter? I recall Grimmspeed on my buddies FR-S saying exactly 1 inch from the MAF housing.

Could misplacement throw off scale enough to where it could affect AFR?
The instructions for the CobbSF say exactly one inch, I've seen some other posts around here where people pulled it off like 1/8th of an inch and have seen some better numbers. I'll try that next since it's so simple. Any other advice before I just go back to the stock intake? Thanks for all your help btw.
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Old 02-25-2018, 07:10 PM   #1786
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Quote:
Originally Posted by gn4rwhals View Post
General question time.

On certain intakes doesn't filter placement relative to the MAF matter? I recall Grimmspeed on my buddies FR-S saying exactly 1 inch from the MAF housing.

Could misplacement throw off scale enough to where it could affect AFR?
Yes, and this is why Ron recommends the Grimmspeed intake.

Quote:
I prefer the Grimmspeed Intake because it has a stopper on the MAF sensor flange to butt the filter up against. So everyone installs the filter in the same spot. All other intakes have "floating" filters, meaning that each customer can install the filter in a different spot on the intake pipe....this causes fueling issues and makes troubleshooting more difficult.
https://phatbottituning.com/2015%2B-wrx-suggested-parts

It's also why I suspect a lot of guys with BigSF intakes have issues.
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Old 02-25-2018, 07:39 PM   #1787
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Originally Posted by ToastyWRX View Post
I got under the car today and made sure there were no leaks, adjusted a few things. The intake fits much more snug in the bay after now, which is nice. Took it out, it is still running lean and underboosting right after it hits peak boost. This log doesn't show it but I have another where it hit 19psi and dropped to 16 for the rest of the pull. Also, why does the built in boost gauge not match the AP boost gauge? It is also 30F here currently and I'm at 4000ft altitude if that matters at all, but I thought TD Boost Error took that into its measurements

https://datazap.me/u/toastlover/log-...-9-10-11-19-20



The instructions for the CobbSF say exactly one inch, I've seen some other posts around here where people pulled it off like 1/8th of an inch and have seen some better numbers. I'll try that next since it's so simple. Any other advice before I just go back to the stock intake? Thanks for all your help btw.
Toasty,

There are some serious issues with that log. It is crazy lean, boost falls off a cliff and it is knocking too. Don't do any more pulls. Get rid of that intake ASAP and get an e-tune.
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Old 02-25-2018, 07:54 PM   #1788
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Originally Posted by Straight6 View Post
Toasty,

There are some serious issues with that log. It is crazy lean, boost falls off a cliff and it is knocking too. Don't do any more pulls. Get rid of that intake ASAP and get an e-tune.
Will do, back to stock ASAP
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Old 02-25-2018, 08:19 PM   #1789
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Toasty, here is my old log with the COBB stage 1 tune on 93 gas. I checked off the values you want to look at. Taget boost, comm fuel final afr and af sens 1 ratio afr as well as feeback and fine knock learn. The comm fuel final is what the tune is calling for and af sens is what your car is doing. You want these two as close as possible. You don't want the af sens to be higher than comm because that indicates a lean condition. Most people using the stage 1 COBB tunes run rich.

https://datazap.me/u/e90/map-vs-cobb...28-31-32-40-44

VS

https://datazap.me/u/toastlover/log-...9&zoom=418-812
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Old 02-26-2018, 12:45 AM   #1790
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Thanks a lot everyone. I'll remove the intake in a couple days and post another log. No boosting in it until then
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Old 02-26-2018, 12:08 PM   #1791
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Quote:
Originally Posted by Veritas1286 View Post
Modlist :
invidia catless J - > stock catback
Grimmspeed Intake
Grimmspeed EBCS
Grimmspeed TMIC
P&L Chargepipe
PRL TGV Delete
PRL EGR Delete
Grimmspeed Lightweight Crank Pulley

https://datazap.me/u/cbussard/log-10...23-26-29-30-31

Absolutely happy with it so far. It pulls hard
Looks pretty solid to me. The timing ramps up fairly quickly at the end and causes some FKLC. Nothing crazy though.
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Old 02-26-2018, 12:46 PM   #1792
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Originally Posted by ericdet View Post
Looks pretty solid to me. The timing ramps up fairly quickly at the end and causes some FKLC. Nothing crazy though.
Interesting - I never noticed that little blip til you mentioned it.


i'm due for a few more pulls til it is done I think (trying not to email Ron while he's on vacation - felt bad enough sending that one!) but was bored and wanted to get a little bit of feedback on how it was looking.
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Old 02-26-2018, 01:13 PM   #1793
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Originally Posted by YungBoba View Post
Yes, and this is why Ron recommends the Grimmspeed intake.



https://phatbottituning.com/2015%2B-wrx-suggested-parts

It's also why I suspect a lot of guys with BigSF intakes have issues.
Grimmspeed, PRL, and ETS. Easily the best for scaling.

Cobb.... Well we all know how well that is by now.
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Old 02-26-2018, 02:12 PM   #1794
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+1 for PRL if you are looking for a 3" intake.
I was able to reduce WGDC 10-15% across the board and hold boost better at higher revs.
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Old 02-26-2018, 03:59 PM   #1795
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Originally Posted by tegxsi View Post
+1 for PRL if you are looking for a 3" intake.
I was able to reduce WGDC 10-15% across the board and hold boost better at higher revs.
+1... Velocity stack intakes greatly reduce the error in placement.
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Old 02-26-2018, 06:08 PM   #1796
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First time posting in this section. Just got my MAP Stage 1 OTS 91 Octane tune loaded this morning. Drove around to get AF learning sorted out and then tried a few pulls this afternoon.

First chart kinda surprised me. I didn't see any FBK or FKL reported on the gauges of the AP. Looks like it learned out too quick to catch. Probably something non-engine related as the rest of the parameters look good to me.
Data log 5 if it groups them all together for you all:
https://datazap.me/u/nine5raptor/log...a=5-9-10-11-19

Second one was clean.
Data log 4 if it groups them all together for you all:
https://datazap.me/u/nine5raptor/log...a=5-9-10-11-19

I'm new to Subarus, but previously had a direct injected turbo MINI, tuned with an AP.

Also, for reference, I am a super conservative (tuning wise) engineer, so I am running the 91 tune on BP 93 octane fuel. Ambient temps were 63F out for these runs and the RPM range is a little shortened, due to keeping it safe on the road.

Would appreciate any comments.
Thanks

Edit: I'm underboosting a little, but I am ok with that.
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Old 03-01-2018, 01:08 PM   #1797
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Okay I switched back to the stock intake and the OTS 91 map.
Still running slightly lean and underboosting a little. It's like 35 degrees here. Is there anything wrong here still? It looks a lot better but it's still not great.

https://datazap.me/u/toastlover/ots-...3-5-7-10-11-19
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Old 03-01-2018, 09:23 PM   #1798
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Okay I switched back to the stock intake and the OTS 91 map.
Still running slightly lean and underboosting a little. It's like 35 degrees here. Is there anything wrong here still? It looks a lot better but it's still not great.

https://datazap.me/u/toastlover/ots-...3-5-7-10-11-19
It goes lean because you are going into open loop and your MAF calibration isn't spot on. Look how your correction goes to zero when switching to open loop. You'll need a tune if you want it perfect.
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Old 03-03-2018, 05:06 PM   #1799
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Hi guys, how does my datalog look? This is the best I could get
https://datazap.me/u/makaveli/cobb-s...14-16-19-20-22
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Old 03-03-2018, 08:52 PM   #1800
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Default Knocking Logs

So I've only had the Accessport for a month. New to the monitoring game. Two days ago I got DAM for the first time, i think it was .8 something and after about 10 miles dropped back to 1. It happened going from stop to moving in 1st gear at a green light. I was wearing boots and my clutch work was clumsy so I figured that was the cause. Oh well.

Now today i got it again .812 and it would not go away.
Here is a log:

https://datazap.me/u/rzmwrx/dam-812?...=5-10-11-12-20

It would not go away so I reset the ECU learning to see if it came back. It did not but I am still experiencing a lot of Fine Knock Learning and Feedback Knock. Here is a log:

https://datazap.me/u/rzmwrx/knocking

Prior to the first DAM appearing two days ago, I rarely ever experienced FKL, only random feedback knock. Now its showing up often at higher RPM, with or without accelerating hard and getting boost.

My car sat for a week while I was out of town and the only thing that has changed is the temperature outside has gone up about 20 degrees. I am still on the same tank of gas from when this wasnt happening.

Ay suggestions? I am no expert at these logs and have a lot to learn. I may just be paranoid. This is a 2016 WRX, 91 octane running Cobb Stage 1 OTS normal wastegate.
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