Notices
MEGAsquirt A place to collectively sort out this megasquirt gizmo

AFR Tables... Tuning and Closed Loop looky what i did!!!

Thread Tools
 
Search this Thread
 
Old Jan 19, 2009 | 10:59 PM
  #1  
MikeRiv87's Avatar
Thread Starter
Junior Member
iTrader: (12)
 
Joined: Oct 2007
Posts: 487
Total Cats: 1
From: Central, NJ
Default AFR Tables... Tuning and Closed Loop looky what i did!!!

So i think i found out a pretty slick way of getting my fueling tuned in nicely using megalogviewer and also having a great resolution afr table for closed loop operation. Take a look, what do u think?

Here is a snap shot of my afr table within my .msq. I have my car set to go into open loop at 120kpa. So I scaled my afr table to match and now have great resolution for cruising around town and on the highway.



Next i setup the default afr table within megalogviewer which also has one cell for every fuel cell so it tunes it in much better:



What do u guys think? Pretty cool huh?
Old Jan 19, 2009 | 11:26 PM
  #2  
Braineack's Avatar
Boost Czar
iTrader: (62)
 
Joined: May 2005
Posts: 80,552
Total Cats: 4,368
From: Chantilly, VA
Default

you are strong in the force!
Old Jan 20, 2009 | 12:49 AM
  #3  
MikeRiv87's Avatar
Thread Starter
Junior Member
iTrader: (12)
 
Joined: Oct 2007
Posts: 487
Total Cats: 1
From: Central, NJ
Default

So it was a good idea? I couldn't see any drawbacks to my evil plan...
Old Jan 20, 2009 | 03:00 AM
  #4  
ThePass's Avatar
Supporting Vendor
iTrader: (3)
 
Joined: Jul 2006
Posts: 3,310
Total Cats: 1,236
From: San Diego
Default

Stupid question but what exactly is open loop vs. closed and what does switching to open loop mean/what would be the benefit of setting it higher than the normal value (53 kpa)?
__________________
Ryan Passey
Old Jan 20, 2009 | 03:56 AM
  #5  
Savington's Avatar
Former Vendor
iTrader: (31)
 
Joined: Nov 2006
Posts: 15,442
Total Cats: 2,106
From: Sunnyvale, CA
Default

I wrote this when I was quite drunk, but it is correct.

Originally Posted by Savington
I'm drunk, so excuse the absurd pre-school style conversations.

open loop
ECU: Sup O2 sensor.
O2 sensor: Sup ECU. You're a little too lean.
ECU: No **** you O2 sensor.

closed loop
ECU: Sup O2 sensor.
O2 sensor: Sup ECU. You're a little too lean.
ECU: OK, we'll add some fuel to that ****.
O2 sensor. C00l.
Old Jan 20, 2009 | 04:10 AM
  #6  
SweetMX5's Avatar
Newb
 
Joined: Dec 2008
Posts: 6
Total Cats: 0
From: Oslo, Norway
Default

haha good description ^^
Old Jan 20, 2009 | 04:39 AM
  #7  
NA6C-Guy's Avatar
Elite Member
iTrader: (1)
 
Joined: Feb 2008
Posts: 7,930
Total Cats: 44
From: Birmingham Alabama
Default

Originally Posted by Savington
I wrote this when I was quite drunk, but it is correct.
Thats pretty good stuff!
Old Jan 20, 2009 | 07:35 AM
  #8  
johndoe's Avatar
Elite Member
iTrader: (5)
 
Joined: Mar 2007
Posts: 1,970
Total Cats: 1
From: NYC
Default

maybe it's just me but I'm failing to see what's revolutionary about this?
Old Aug 18, 2010 | 09:54 AM
  #9  
kewilso3's Avatar
Junior Member
iTrader: (4)
 
Joined: Feb 2009
Posts: 318
Total Cats: 0
From: Raleigh, NC
Default

where can I change my switch point in TS?
Old Aug 18, 2010 | 09:55 AM
  #10  
Braineack's Avatar
Boost Czar
iTrader: (62)
 
Joined: May 2005
Posts: 80,552
Total Cats: 4,368
From: Chantilly, VA
Default

Originally Posted by kewilso3
where can I change my switch point in TS?
MS-II calculates it when you calibrate the AFR sensor.
Old Aug 18, 2010 | 10:34 AM
  #11  
richyvrlimited's Avatar
Elite Member
iTrader: (1)
 
Joined: Jun 2006
Posts: 2,642
Total Cats: 42
From: Warrington/Birmingham
Default

Unless you mean a NB switch point in which you need to update to the latest code as the devs forgot to include the code in the .ini which let's you see the dialogue box...

Don't think 3.0.3xxx has been done yet but 2.1.0xxx was put on the forum today
Old Aug 18, 2010 | 10:37 AM
  #12  
18psi's Avatar
VladiTuned
iTrader: (76)
 
Joined: Apr 2008
Posts: 35,821
Total Cats: 3,482
Default

Originally Posted by Savington
I wrote this when I was quite drunk, but it is correct.
brilliant
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
StratoBlue1109
Miata parts for sale/trade
21
Sep 30, 2018 01:09 PM
Corky Bell
Prefabbed Turbo Kits
18
Nov 22, 2016 09:01 PM
tazswing
Race Prep
20
Oct 3, 2015 11:04 AM
The Gleas
MEGAsquirt
3
Oct 1, 2015 09:30 AM
itsMikey
MSPNP
3
Sep 28, 2015 06:40 AM




All times are GMT -4. The time now is 07:06 AM.