62.5% isn't all that high and you'll kind of want the WGDC higher during during spool to make spool-up faster. I have mine at 100% before spool and taper down to where I need it to be at peak boost.

 

Did you change it to 0% from 62.5%?

yes you can change it with the table mrfred found here:

https://www.evolutionm.net/forums/sh...d.php?t=333479

and the "Max WGDC cold engine / CEL" table for your specific ROM ID

 

Is there a specific table that I'm not aware of that has the default 62.5% in it? The base WGDC table defaults at 100% across the board so maybe I'm missing another table that controls WGDC before operating temp??

 

Are you refering to the "Max WGDC vs Coolant Temp" Table? Unfortunately that table is not available on my ROM ID 96420008 so I am not sure if there is something I can do there. It should be defined somewhere I guess but according to mrfred it is not on that ROM ID. I am not sure about the "Max WGDC cold engine / CEL" table. I will have to look for that one.

Any other ideas to enable the low WGDC when cold?

 

No, I am refering to the "Max WGDC cold engine / CEL" table.

96420008 I'm not sure what the address is, maybe tephra or mrfred can help

 

I search on the forums and found nothing. If someone knows the address of the “Max WGDC cold engine / CEL" table for ROM ID: 96420008 please let me know. I just look in my ECUFlash and I do not have that definition for my ROM ID. This is for a 2004 EVO 8. It may be the same as the EDM EVO.

Thanks for your help!!

 

Sorry to bring this back from the dead, but I´m having exactly the same problem in my 04 Evo 8 updated with the 94170015 rom: The TBEC STAYS until you turn off the car. I have logged this, and it makes the TBEC table almost useless. Anybody found a solution?

 

apparently its an 8 thing, hopefully razorlab can comment.

if necessary we can probably fix that restriction in my tephramods (maybe)

 

I believe its a 03-04 thing. 03-04 also keep WGDC at 100% until a certain point unlike 05+ that keep it at 0%.

I tune all ECU-boost cars with the upward correction set to 0. This makes it so it will only add WGDC to get back to target base WGDC and nothing more. No overshoots, etc

 

That´s the same thing I´m doing. It would still be nice that the correction would reset after every run when your map is fine tuned.

 

If the correction never "corrects" above your base WGDC, why does it matter?

 

You are the race track, 5th gear in the long straight, load overshoots by 15, WGDC correction goes -10%, next corner you´re in 2nd gear and it´s way under your load target, you lose time and power until WGDC correction actually gets back to baseline since usually upwards corrections are more moderate than downward. If it would just reset after the "episode", I´d be happier

 

what ROMID doesn't reset?

 

If you have the "Max Total Upward WGDC Correction vs TPS" table zeroed out then you can add as much upward correction in the TBEC table as you want and it will **never go above base WGDC**.

What this means is that you can make the upward correction in the TBEC table **very aggressive** and you never have to worry about overshoots or going above base WGDC. This way it will instantly correct back to base WGDC at that certain RPM if you have a negative correction and are then under target load or PSI.

You could put +50 from -2.5 to -20.0 in the TBEC table and it will add as much WGDC as possible (up to +50) to bring it back to base wgdc (very quickly as well) and nothing more.

I've tuned multiple NASA Time Trial, Autocross and Time Attack evos with this method, some of them have broken many track/course records in their class. If tuned correctly, It won't be the ECU boost error correction making the car "slower".

 

Hate to revive an old thread but has anyone figured out the correct table definition for the wastegate solenoid activation RPM for the 03-04 ROMS? The 05 ROM makes total sense. The 94170008 and 94170015 ROMs do not make sense as far as the deactivation rpms.