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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Introducing Datazap - my free interactive data log viewing and storage service



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      09-04-2013, 09:08 AM   #45
Wedge1967
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Quote:
Originally Posted by Ilma View Post
Just had a look at your log.

Yes you are boosting about 1 psi below target.......opposite to me.....I am boosting 1 psi over target with the stacked procede controlling the WGDC's.

Your fuel trims look sweet for running meth.

Where are your meth nozzles located?
Running Aquamist on a new ER Long CP... Dual 1.0mm nozzles and I have them set to injector DC so they kick on quick and I have the gain set so the PWM is progressive through the RPMs. Flash only is using target AFRs so it's hitting target. Now if I can figure out the stupid boost logic.
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      09-04-2013, 09:12 AM   #46
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      09-04-2013, 09:15 AM   #47
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Quote:
Originally Posted by 135Pats View Post
On the positive side, hopefully this program will becom a standardized platform for this community, and log reading will literally be as simple as linking someone to your stored logs.

On the negative side, I have to relinquish my title as resident PROcede and Juicebox log complainer-in-chief.

This is such win! Here's an E30 log I pulled over the weekend, Once meth goes in I’m going to crank up the advance a little more, there’s def more power to be had.

http://www.datazap.me/u/135pats/cobb-e30

Now it's our turn! It seems your car is running.

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      09-04-2013, 09:27 AM   #48
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http://www.datazap.me/u/knissel/2-3-...bms-race-flash
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      09-04-2013, 09:31 AM   #49
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Nice!!!
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      09-04-2013, 09:38 AM   #50
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Quote:
Originally Posted by Wedge1967 View Post
Running Aquamist on a new ER Long CP... Dual 1.0mm nozzles and I have them set to injector DC so they kick on quick and I have the gain set so the PWM is progressive through the RPMs. Flash only is using target AFRs so it's hitting target. Now if I can figure out the stupid boost logic.
So your nozzles are located on the chargepipe then?

On another note....yes, the boost logic is not straightforward at all. Seems like a lot of limiters and multiplier tables can run interference.

Here is some free advice:

Do not set your WGDC limit % table beyond 70.

I tried 78% to get some more top end boost and the DME shut the car down on me upon startup.

Wouldn't restart until I dropped that value back down to 70%.

Must be some safety protocols working in the background that limit how much boost you can apply.
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      09-04-2013, 10:12 AM   #51
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Quote:
Originally Posted by knissel View Post
Looks pretty good to my eyes. You’re not quite hitting boost targets, IDK why since the piggyback is in direct control of boost. Maybe tweak the WGDC a bit? Timing builds nicely; you can target something more aggressive I’d say. I didn’t download the raw data so I can’t speak to cylinder corrections, but the overall advance curve looks strong.

Less lean than a lot of the JB logs I see too, that's nice. Personally i'm not wild about how lean some of those logs come out.
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      09-04-2013, 12:08 PM   #52
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Quote:
Originally Posted by 135Pats View Post
Looks pretty good to my eyes. You’re not quite hitting boost targets, IDK why since the piggyback is in direct control of boost. Maybe tweak the WGDC a bit? Timing builds nicely; you can target something more aggressive I’d say. I didn’t download the raw data so I can’t speak to cylinder corrections, but the overall advance curve looks strong.

Less lean than a lot of the JB logs I see too, that's nice. Personally i'm not wild about how lean some of those logs come out.
Thank you so much for the reply! Do you think it could be due to my charge pipe being kinked? When I had the FMIC installed the stock chargepipe now has a fold in it. What waste gate position would you suggest?
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      09-04-2013, 12:12 PM   #53
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Quote:
Originally Posted by Ilma View Post
So your nozzles are located on the chargepipe then?

On another note....yes, the boost logic is not straightforward at all. Seems like a lot of limiters and multiplier tables can run interference.

Here is some free advice:

Do not set your WGDC limit % table beyond 70.

I tried 78% to get some more top end boost and the DME shut the car down on me upon startup.

Wouldn't restart until I dropped that value back down to 70%.

Must be some safety protocols working in the background that limit how much boost you can apply.
.
.
.
Yeah, the nozzles are at the front of the CP so it has enough time to atomize. Not seeing a big shift in AFR from one bank to the other which is good. Really like this new ER CP.

My % is at 70. I also noticed that load has a limit of 200 up top also. Kicked it up to 205 to see what would happen and the car didn't like it.
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      09-04-2013, 12:21 PM   #54
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Quote:
Originally Posted by knissel View Post
Thank you so much for the reply! Do you think it could be due to my charge pipe being kinked? When I had the FMIC installed the stock chargepipe now has a fold in it. What waste gate position would you suggest?
Tough to say without driving the car personally. If your charge piping is kinked, absolutely replace it though. Don’t want to be messing with the flow characteristics.

In terms of adjusting WGDC for JB4, that’s above my head. I run Cobb so WGDC is approached differently in ATR, believe JB4 controls them specifically for boost. It’s just odd because the piggybacks usually do a really nice job of hitting boost targets, which makes sense since it’s not a load based DME calculation.
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      09-04-2013, 12:56 PM   #55
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Quote:
Originally Posted by Wedge1967 View Post
What tune are you running?
JB4 G5 ISO with no backend flash.
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      09-04-2013, 01:50 PM   #56
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thanks for creating this! i found it very helpful to the community and it makes stuff much easier to read and understand!!! great work!
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      09-04-2013, 02:41 PM   #57
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UPDATE, clear your cache and reload:

i added a scroll bar on the x-axis for when you zoom in on the chart - now you can scroll through the data without having to reset the zoom

Last edited by jpsimon; 09-04-2013 at 02:51 PM..
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      09-04-2013, 02:56 PM   #58
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This is awesome! Thank you for this.
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      09-04-2013, 10:24 PM   #59
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New to reading logs. Could someone tell me how this looks? Running %25 E85. Can I run more?

http://www.datazap.me/u/e90husker/9-4-2013
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      09-04-2013, 10:30 PM   #60
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Quote:
Originally Posted by E90husker View Post
New to reading logs. Could someone tell me how this looks? Running %25 E85. Can I run more?

http://www.datazap.me/u/e90husker/9-4-2013
You're only WOT for a brief portion of this log, there's not much to look at there. It needs to be 100% throttle from start to finish of the gear.
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      09-04-2013, 10:33 PM   #61
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Gotcha. I will do another log this week and repost. Thanks
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      09-04-2013, 10:41 PM   #62
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Quote:
Originally Posted by E90husker View Post
Gotcha. I will do another log this week and repost. Thanks
Remember all traction assistance off as well, or you could have traction induced throttle closures
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      09-04-2013, 11:00 PM   #63
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Wow, this great. You deserve a beer! Thank you, sir!
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      09-05-2013, 12:02 PM   #64
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little update:
I'm now auto-detecting boost, so when the page loads it will show RPM and boost automatically by default.
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      09-05-2013, 09:32 PM   #65
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JP.

Just wanted to says thanks for making this. Its pretty much F'ing awesome.
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      09-05-2013, 09:51 PM   #66
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thanks dude!

whenever someone posts up a screenshot of a non-datazap log... everyone tell them to sign up and do it right!
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