Tweecer Q's, data logs into EEC analyzer

[zenboy99]

I drove around for 1-2 minutes last night, idle and some WOT stuff (but it was so cold my tires spun in 2nd and 3rd). When I imported that data log into EEC analyzer (cam specs tab for injector timing) alot of values were missing. How long do you guys datalog for? What kind of driving do you do?

Also, I still can't get my MAF transfer to import into EEC analyzer. I read the help section and it said to make sure its the right file type, but id doesn't say what that is. As far as I can tell it only exports one file type in the Tweecer.

I have version 1.3

 

[Methodical]

I usually do about 20-30 minutes of datalogging. I let it idle for about 5 minutes in the garage, then I go for a drive. about 1 mile from my house is a road with no lights and that is where I get a good wide open blast to the highway. Then I get about 15 minutes or more on the highway and loop back towards my house. Again, I get another stab at WOT on the entry ramp to the opposite side of the highway and head back home and take an exit where there are traffic lights and stop and go driving. When I get home I let it idle for another 5 minutes. I usually get about 30-40mb of dataloging.

Peace
Al

 

[zenboy99]

So the EEC analyzer averages all those different load values?

 

[a50sn95]

I drove around for 1-2 minutes last night, idle and some WOT stuff (but it was so cold my tires spun in 2nd and 3rd). When I imported that data log into EEC analyzer (cam specs tab for injector timing) alot of values were missing. How long do you guys datalog for? What kind of driving do you do?

Also, I still can't get my MAF transfer to import into EEC analyzer. I read the help section and it said to make sure its the right file type, but id doesn't say what that is. As far as I can tell it only exports one file type in the Tweecer.

I have version 1.3

You shouild be able to open your logs no matter how small.
The cam specs tab is a calculation. You feed it a datalog, tell it your cam, and it will tell you what to set your injector timing to. You'll need a good range of rpm and loads for it to calculate this one... I haven't messed with it much, as it's not really a performance thing, just mileage, and I only go about 5k a year in this car.
To import your MAF, first go to CalEdit (assuming you've already entered it in CalEdit...)and Export it. On the MAF tab, I think there is a button called "Save MAF. click that, give it a name you'll remember. Then go to EEC Analyzer and import it. Then when EEC Analyzer gives you a corrected transfer, Export it from EECAnalyzer, and use the "Load MAF" button in Caledit....
AND, I always make sure I have the correct MAF transfer AND Injector Information in EECAnalyzer BEFORE I open a datalog. That way, if there are any calculations that EEC analyzer performs ( Calculate MAF form MAFV on the settings tab for instance...) it has the correct info to start with...

 

[a50sn95]

So the EEC analyzer averages all those different load values?

I don't know what you are asking....

 

[blksn955.o]

I like said above have a route that has traffic lights, then a good bit of hwy with a set of lights and a exit ramp to get a high rpm pull out of, then back threw the lights and let it idle a few before putting it up...I let the car warm up and idle a good bit before I start the datalog as sometimes I pull the bat. and need to let things get stable first.


On the MAF thing...I realy like to manualy enter in the MAF transfer into cal edit...I have had more prob. with the export not exporting the correct transfer/or adj. the transfer more than when I enter it in by hand. Since I have the stock MAF I just use the w4 MAF choice from the drop down menu in EA, for the first run threw EA then I enter in the new transfer that it gives each time based on the prev. DL. (realy should only take like 1-2 or so runs threw EA at most to get the MAF down solid).

As far as the DL go themselvs I save them out of the tweecer to a folder on the laptops desktop that I can just run EA without having to open calcon or cal edit.

 

[final5-0]

Chad

One thing that helped me at first to get an idea of what I was looking at in the dlogs was to make a test run and dl only one thing or driving condition at a time.

Be sure to keep notes as after a while you got a bunch of dlogs and cal files ...... which you could start to wonder about, lol.

Grady

 

[blksn955.o]

I label my dl when I move them to the file on the desktop...to either go along with the tune I dl'd or with the thing I wanted to log the most and date...I also clear/go threw them fairly reg.

 

[zenboy99]

The datalogging went fine, I did one on the way to work and one on the way home, both 30 min. Injector timing was reset to 396 for each cell in Injector timing table.

Now here is where I'm starting to get a tad bit frustrated. I enter my MAF transfer from the Pro-M sheet and it converts to a 30 point table, all values are correct. I save that mass transfer and I save that cal file. Now, when I re-open caledit, there's different mass transfer and when I load my mass transfer the range is from 0-1.5? This is the reason that its importing incorrectly into EEC analyzer.

 

[blksn955.o]

That is why I write down the maf transfer and manualy enter it into the cal-edit. I always got some funky crap from exporting it.

just remember to hit the arrow keys to manualy move from cell to cell, and on the last cell arrow down/up and over to leave that cell...some have had an issue of it changing if not doing this.


Cal-edit will change the maf transfer ever so slight to numbers other than you enterd'. Dont freak out about them unless they are more than 3% or so as that is the eec's range and it is just entering a number it has in its hard numbers for a range--best I can explain it--

 

[zenboy99]

That is why I write down the maf transfer and manualy enter it into the cal-edit. I always got some funky crap from exporting it.

just remember to hit the arrow keys to manualy move from cell to cell, and on the last cell arrow down/up and over to leave that cell...some have had an issue of it changing if not doing this.

This is what I did, values still didn't hold in Cal-edit. There has to be an explanation for this, I don't understand why this is happening. I should just be able to enter these values in by hand and be done with it.

 

[blksn955.o]

You are using the arrow keys to move around the cells right? --just checking to make it clear--

ALot of people have had this issue with just using the mouse/touch pad with the numbers reverting to something else..

Stick with it...I remember the first time I made a change to the MAF curve and it took some re-tries (felt like 100) to get it down.

 

[final5-0]

Chad

A couple things about working with the maf curve.

1) Sometimes the im/ex port thing doesn't work like it should and I have just never trusted it.

I always hand load every voltage & kghr cell
AND
check them one last time after saving the file.

Be very meticulous with this part of your tune as accuracy here is critical.

2) Sometimes the kghr value you choose will change but it is by a very, very small amount.

Say you call for a value of 193.936 but after you refresh or save you may see a value of 193.948 ...
that is the kind of change I'm talking about here.

Grady

 

[zenboy99]

Has Tweecer tried to resolve this issue? Its seems like something pretty basic to me.

So I should hand input the 30 point curve into EEC analyzer and never import it correct?

 

[final5-0]

Has Tweecer tried to resolve this issue? Its seems like something pretty basic to me.

So I should hand input the 30 point curve into EEC analyzer and never import it correct?

The Honeymoon is now over Chad

Welcome to the world of self tuning software bugs

Some have had issues with the im/ex port thing and I have seen various peeps say it depends on things like

EEC Analyzer version
CalEdit verson
OS on pc
etc

When I see other peeps with issues like that .....................

I always try to stay away from, avoid, or try not to dupilate their efforts and learn from their mistakes.

In this case ... I felt I could accomplish the above by hand loading the values.

As for the slight changing of the values ...........

I'm no programmer or anything like that
BUT
It has something to do with hexadecimal doo-hickeys getting converted to decimal thing-a-bobs.

Just know that sometimes in various areas of the file ......
the value you call for will get changed by a very, very small amount.

Now ... before anybody has anything to say about how I explained that ......

All I got to say is this ................

Chad ... I've already told you more than I know about that

Grady

 

[blksn955.o]

input it by hand in EA and cal-edit both.

 

[zenboy99]

OK, so my wife and I were watching a movie, for the 2 hours during that movie I was entering the MAF transfer by hand and using the arrow keys. I save that tune, exit caledit, when I come back in the values are still different

1100kg/hr I entered 4.78 volts

When I log back in

1110 kg/hr = 5.01 volts.

That seems like a pretty large jump to me.

 

[final5-0]

One more thing about working with values in CalEdit Chad.

Say you call for a value of something like 47.252 but after a refresh you get something like 47.238.

You re-enter the value of 47.252 again but get the same as above.

Sometimes you can try a value slightly higher, like 47.258 or 47.260 and get what you called for in the first place
or at least ......
get closer to your original called for value than what CalEdit chooses.

Don't ask why that is ...........
Just something I know that I discovered ... somehow or the other

Grady

 

[zenboy99]

A few more questions:

The scalar ISC CL Above Idle RPM = 150 for my T4MO
This means 150 rpm is being added to the values I'm submitting for idle? That would explain why I'm idling at 1000rpm instead of 850. Why would closed loop idle be 150rpm higher then OL? my factory tune wasn't that way, CL or OL was the same rpm

The scalar: OL Idle Maximum Time = 255 seconds
Seems my car goes to CL at around 45 seconds. I'm assuming if I set this to 10 seconds I'll go to CL right away and my crazy cold air idle will go away.

How much of a difference is there between the TPS reading on the datalog compared to reading it with a voltmeter at the sensor? EEC analyzer said there may be a little difference.

The TB airflow ISC determination in EEC analyzer suggests ramping the idle in 100rpm increments. Don't know if its my Fox TB swap but thats going to be really hard to do. How long should I datalog this for each 100rpm increment?

Sorry for all the questions, but they've been bugging me all day. I just got back from the bar and have to leave for the inlaw's house tomorrow am, so I won't have time to test this stuff out.