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Author Topic: How does KFLDRL 'linearise' boost?  (Read 60109 times)
carsey
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« Reply #15 on: June 01, 2014, 09:57:35 AM »

Right guys, as promised id update you all once ME7logger fixed. Smiley

Done a few logs today.  First off, my actuator is weak.  Ive flatlined DC% at 95% to establish it and to see what boost its giving me.

The only other thing I will mention, is in higher gears, when accelerating 2000-2500rpm to do a WOT run, i get a soft limp mode.   Thankfully managed to get a limp mode run and a good run in 3rd gear where problem doesnt always happen to show you lot.

Going to have to get a 14lb actuator to put that on to let me get a bit more boost top end.

Ive attached the map file the run was used with so if you want a look at that, its there.

Cheers

Chris
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nyet
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« Reply #16 on: June 01, 2014, 10:48:02 AM »

You're missing all of the aliases. Your ME7 config needs work.

Also, what is the code that accompanies limp?
« Last Edit: June 01, 2014, 10:51:22 AM by nyet » Logged

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carsey
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« Reply #17 on: June 01, 2014, 11:37:09 AM »

How do you mean by aliases and the ME7 config?  That with ME7logger?

The code where the limp mode happens if the file I attached to the post previously.  Limp happens when it hits peak boost (23psi roughly on gauge) so I guess I could try pulling the duty/ load back as im making good boost from around 175 engine load through LDRXN  (peak in map is 199) if those 2 are related.  Let off throttle twice and its back to full boost and will run perfectly, once its cleared that 'spike' stage in the map.

Still all pretty new to this at moment. 
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ddillenger
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« Reply #18 on: June 01, 2014, 11:39:42 AM »

How do you mean by aliases and the ME7 config?  That with ME7logger?
 

Read this before you do anything else!

http://www.audizine.com/forum/showthread.php/479416-****-Complete-Guide-on-How-to-Take-and-Graph-Logs-****
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carsey
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« Reply #19 on: June 01, 2014, 12:53:48 PM »

You lost me....

Im logging all of those variables in my files (all be it a few not there which I dont need like EGT model before cat and fuel trims).

Ive no issues making various graphs from the data logged.
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userpike
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« Reply #20 on: June 01, 2014, 12:55:00 PM »

The way you have your ME7logger config set up seems to royally screw with xplot. I think the aliases have to be what they are originally in a fresh config file copy. You can add to the config files alias column, just don't take anything away I believe.
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carsey
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« Reply #21 on: June 01, 2014, 01:10:27 PM »

They show fine for me.

All I done was remove the data where there was 'nothing happening' such as between pressing start logging and the time when the runs started.

Heres the unedited ones direct from ME logger....but you will probably have to go through them and pick out the actual runs at 100% throttle.


172516 - is the good run with no limp
172539 - is the run with limp
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carsey
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« Reply #22 on: June 01, 2014, 01:11:04 PM »



Shows up ok for me with the files I uploaded.  Same with fuel, load, boost etc.
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carsey
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« Reply #23 on: June 01, 2014, 01:14:17 PM »

Me7 logger config file.
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userpike
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« Reply #24 on: June 01, 2014, 01:20:19 PM »

those newer UPed logs look fine. I wonder whats up with the other ones.. Huh Huh weird.
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carsey
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« Reply #25 on: June 01, 2014, 01:25:49 PM »

God knows....work for me.  All I did was remove the header info and the rows for the variables so I could work out what did what in ECUplot.  And remove redundant data which wasnt part of the WOT run.
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ddillenger
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« Reply #26 on: June 01, 2014, 01:27:19 PM »

Always post unedited CSV's. They wouldn't filter for me either, and I am too busy/lazy to use excel Sad
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carsey
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« Reply #27 on: June 01, 2014, 01:30:13 PM »

Strange.

Hope you guys can work out where the runs were.  most were done from 2000rpm in 3rd and 4th gear to redline.

Hopefully you can spot whats causing the limp mode.  I think its boost overshoot as only happens silly high load areas such as 4th gear 2000rpm,  soon as it passes 21psi...it splutters and then soft limp.

Was thinking of pulling max load back a bit to try say it shouldnt make any more load than what its currently good for.

You lot will know better than me though Tongue
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ddillenger
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« Reply #28 on: June 01, 2014, 01:34:28 PM »

95 percent duty cycle FTW!

I don't know what to say about that.
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carsey
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« Reply #29 on: June 01, 2014, 01:36:47 PM »

As I said,  was verifying the actuator was weak.  hence i maxxed the maps out to make sure.  Safe to say I need a uprated one.

Still goes pretty well though hahaha.

14psi actuator needed - then can start getting boost where I want it.  Strangely - EGTs aint that high either.  Setup must be doing a good part to make sure its flowing nice.
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