ECMlink WOT PULL is it good

[95tsiawd0330]

I been doing WOT pull with link tools ver 5..in feb i got my first DSM not knowing anything about them since feb i think i read everything there is about DSM trying to learn the ins and outs of them i always been a v8 guy and since i got my DSM i will never go back .So i know some of you guys dont like when someone asks (WOT pull hows does it look) .but i have done all my reading trying to learn and i know i still have more learning to do but just so all of you know i what to learn and not have someone do it for me.ok so i just what to get some input with the old school DSMERS on how i have my WOT dialed in.

 

[snowborder714]

Your SD table values tell me your global % is incorrect. You need to reduce it and then scale the whole SD table down until you get the max cells around 100 (or a bit above).

The table is also not very smooth transition wise. You may want to look at trying to smooth it or use the one in LinkTools as a base and somewhat start over.

But your AFRatioEst and LC-1 lines look good other than a few blips here or there.

 

[95tsiawd0330]

Your SD table values tell me your global % is incorrect. You need to reduce it and then scale the whole SD table down until you get the max cells around 100 (or a bit above).

The table is also not very smooth transition wise. You may want to look at trying to smooth it or use the one in LinkTools as a base and somewhat start over.

But your AFRatioEst and LC-1 lines look good other than a few blips here or there.

by reducing it do you mean lower it to the way it will be going to the 0 for globe?

 

[snowborder714]

Yes, you need to move global % more towards 0.

 

[95tsiawd0330]

Yes, you need to move global % more towards 0.

ok. what use link tools tool for (adjust for globe fuel change) until it gets close to the 100s for sd chart.i though the sd chart was to high in boost.the guy i got the car from said the injectors were pte 880s and at this point i dont think they are because i had them set in link for what it says they should be around.

 

[snowborder714]

You should download a program called LinkTools (you can find it on here) and use that to scale your SD table based on a different global %. It'll take some guess and check work as to which global % works the best in regards to getting the highest SD values around 100.

 

[95tsiawd0330]

You should download a program called LinkTools (you can find it on here) and use that to scale your SD table based on a different global %. It'll take some guess and check work as to which global % works the best in regards to getting the highest SD values around 100.

thats what iam using linktools ver5.well i used linktool to scale my sd chart to make them lower in the 100s and put global at 41.4.what is weird is i was going off ecmlink and the web to find out were i should have my global set for pte 880 injectors and from what i read is that pte 880s are somewhere like 830cc =45.7 for global or 840cc =46.5 for global.and i had my global set at 46.5 but it was making my sd chart in boost really high.now i have my global at 41.4 and now the sd chart are in the low 100s but there is 2 cells that is 107.Is there a site that you know that i can type the numbers that are on the injectors to see if they are pte 880cc??? Iam going by what the guy told me who owned the car before me and he said that they were 880s.But its just wierd that my sd numbers were so high and when i lower global it brings the numbers down.

 

[Calan]

thats what iam using linktools ver5.well i used linktool to scale my sd chart to make them lower in the 100s and put global at 41.4.what is weird is i was going off ecmlink and the web to find out were i should have my global set for pte 880 injectors and from what i read is that pte 880s are somewhere like 830cc =45.7 for global or 840cc =46.5 for global.and i had my global set at 46.5 but it was making my sd chart in boost really high.now i have my global at 41.4 and now the sd chart are in the low 100s but there is 2 cells that is 107.Is there a site that you know that i can type the numbers that are on the injectors to see if they are pte 880cc??? Iam going by what the guy told me who owned the car before me and he said that they were 880s.But its just wierd that my sd numbers were so high and when i lower global it brings the numbers down.

Any numbers you find (or calculate) for your injectors are going to get you in the ball park at best, unless you just get extremely lucky. Every set of injectors (even identical ones) will behave differently under varying conditions, and there are just too many variables to get exact numbers without actually testing each of your injectors individually on an accurate test setup.

Use the best numbers you can find, and then use the global fuel calculator to adjust them based on your fuel type and base fuel pressure. After that, it's a matter of fine tuning to get a balance between the global fuel value, airflow compensation, and deadtime values.

 

[95tsiawd0330]

Any numbers you find (or calculate) for your injectors are going to get you in the ball park at best, unless you just get extremely lucky. Every set of injectors (even identical ones) will behave differently under varying conditions, and there are just too many variables to get exact numbers without actually testing each of your injectors individually on an accurate test setup.

Use the best numbers you can find, and then use the global fuel calculator to adjust them based on your fuel type and base fuel pressure. After that, it's a matter of fine tuning to get a balance between the global fuel value, airflow compensation, and deadtime values.

you said(Use the best numbers you can find, and then use the global fuel calculator)is that the global fuel change in linktools?snow board said that my global is not set right for my injectors base on my VE being so high.So i took his advice and lowered my global.before i lowered my global it was at 46.5 for my pte 880 now i lowered global to 41.4 and i did another pull and used linktools to adjust my VE and i still get high VE numbers.I just dont understand why my VE numbers are still high

also i try setting my isc to log at 30 on link the best i can get it was 32 and my idle was at 1100 rpms and air flow perrev was at 20 at idle so i had to raise my VE cell at idle to 67 to get it close to 25 but it bounces around 23 to 25 at idle.I think a value of 67 at idle is kind of high.do you think my airflow perrev has something to do with me having a high VE table.what will cause me to have to raise my VE so high to get it to be at 25 airflowperrev at idle?i have done a BLT

 

[Calan]

you said(Use the best numbers you can find, and then use the global fuel calculator)is that the global fuel change in linktools?snow board said that my global is not set right for my injectors base on my VE being so high.So i took his advice and lowered my global.before i lowered my global it was at 46.5 for my pte 880 now i lowered global to 41.4 and i did another pull and used linktools to adjust my VE and i still get high VE numbers.I just dont understand why my VE numbers are still high

Don't forget that injector deadtime also plays a large part in airflow calibration (at low loads/idle). Getting your airflow calibrated is an iterative process that involves finding a balance between deadtime, global value, and the values in the VE table. And this assumes that ALL mechanical issues have been tested/fixed.

http://www.dsmtuners.com/forums/ecm...efore-you-ask-ecmlink-dsmlink-log-advice.html

also i try setting my isc to log at 30 on link the best i can get it was 32 and my idle was at 1100 rpms and air flow perrev was at 20 at idle so i had to raise my VE cell at idle to 67 to get it close to 25 but it bounces around 23 to 25 at idle.I think a value of 67 at idle is kind of high.do you think my airflow perrev has something to do with me having a high VE table.what will cause me to have to raise my VE so high to get it to be at 25 airflowperrev at idle?i have done a BLT

I think you are confusing the ISC/idle adjustments with getting airflow calibrated. They are two different things, although their effects do overlap. Set the ISC for a value of about 30-34 while at your target idle. As you make adjustments to the VE table and injector DT to get AirflowPerRev and fuel trims in line, you may have to go back and readjust the ISC if your idle changes; otherwise leave it alone.