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Purpleline

Boost control. Under no load

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Hi,

After 10months.. i finally installed the g4+ into my ecr33. Everything start to put together and working step by step.

Im wondering how u can limit the boost to stay not go over 0bar just like the factory ecu under no load.

When i rev engine up with car sit still.  Boost can go all the way to 0.9.. which setting i should be looking for.  Tks

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There is no possible way you are making 0.9bar positive pressure just sitting still and revving the engine unless the tuning/build is diabolically bad, or you're running massive anti-lag or something.

Both will be harmful.

 

Normal running engines DO NOT make boost with no load on the engine.

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11 hours ago, Purpleline said:

Im wondering how u can limit the boost to stay not go over 0bar just like the factory ecu under no load.

Obviously no electronics can reduce the boost below whatever value the wastegate spring opens at.  You will get whatever the engine airflow is capable of producing.

If you think you have more boost coming in lower RPM than it used too then it is possibly too retarded or lean?

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54 minutes ago, Adamw said:

Obviously no electronics can reduce the boost below whatever value the wastegate spring opens at.  You will get whatever the engine airflow is capable of producing.

If you think you have more boost coming in lower RPM than it used too then it is possibly too retarded or lean?

Tks Adam.  Thats what the dealer here said too.  It could be a thing that mean my turbo flow quick.  Or too much retard on base map.  Im now setting the MAP limit as suggested by the dealer here t0 220kpa so i wont blow my engine for 1 st run.  I only started the car but not driving it on road yet.  Still need to activate other function like the knock etc.  Tks..you guys are helpful

 

Now looking around the NVSC setting.  Found other post about a GP output but not select fm here

20181124_101843.jpg

Edited by Purpleline

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6 hours ago, Adamw said:

If you are using our plug-in ECU then the cam solenoid is connected to Aux 1.  Set up like this:

EiGtv9I.png

Yes,  there is another topic about this and i have worked that out fairly easy.  

Fm. 1400 to 5800rpm

20181124_164707.jpg

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Fm. 1400 to 5800rpm

Most are working good now except the hard start.  Im wondering if thats something to do with the fuel master ms. No matter how i adjust those cold start,.warm.up.acc opening duty.. it doesnt make much improvement at all. 

 

I have stock injector 370cc.  Fuel Master is now set to 9ms.  The er34 gtt base mao has 11 which i tried b4 and it run very rich so i step back to 9. The orignal base map is 7ms which is way off as thats for a rb26 with 444cc.

 

Any idea which i should relooking at?

 

Possible put back 11ms?  And them mass lowering fuel table will fix?? 

wx_camera_1543058360512.jpg

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A base map is there to start the engine to allow it to be tuned. Which it seems did apply here ?

 

Trying to copy other peoples maps in the hope they might do something for you, is dangerous. Have the engine tuned properly by a competent person otherwise you risk damage.

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I was wondering a list with basic spec for the sample.  It will be closer to start with.  The gts-gtr base map provided just way off too much to use for a rb25. The one for er34 gtt is closer.  Hoping that a seperated rb25det base map there will be great.  

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