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Author Topic: Torque limiter  (Read 14524 times)
Jim_Coupe
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« on: October 13, 2015, 01:22:32 AM »

Just to have it confirmed. As i have understand its the throttle valve that is limiting air from passing through to keep down the torque? Im not suprised if there is more stuff thats in the way aswell.

To raise the torque limit or request i must know where i am today, therefore i suspect i need to log calculated torque and requested torque right? Huh
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adam-
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« Reply #1 on: October 13, 2015, 01:32:42 AM »

Log intervention variables.  Have you changed IRL and IOP?
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nyet
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« Reply #2 on: October 13, 2015, 09:52:52 AM »

The throttle plate has nothing to do with torque intervention.
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Jim_Coupe
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« Reply #3 on: October 14, 2015, 12:39:10 AM »

Log intervention variables.  Have you changed IRL and IOP?

Thanks Adam.  I think i have to take a look at IRL and IOP i havent touched them. It feels almost as if the turbo build boost earlier than i can feel so to say. Boost is higher pre-throttle than in the plenum after throttle maybe. Maybe Throttle cut. The system is leak tested.

Why do i need this Torque monitoring anyway? Why cant i just disable it via KFMIZUOF and go all in Smiley  If the gearbox breaks down its to weak and need to be reinforced anyway? Rods are Forged h-beams and cracnk is forged.. Whats the problem Smiley If im wrong slap me in the face.

IVe also read that some have just increased IOP 25% in some areas and IRL 10% in corresponding areas. Is this a correct path to raise torque?


« Last Edit: October 14, 2015, 05:30:16 AM by Jim_Coupe » Logged

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« Reply #4 on: October 14, 2015, 01:41:11 AM »

First and foremost, get some logs up.  Obviously if you've got rods you're running a larger turbo. 

What hardware have you changed, and what maps have you changed to support it?  Bigger MAF, injectors, turbo, wastegate, what?

We need logs to help, and you've posted a question that doesn't even make Engrish and then you say "I'll just disable TM".

If you're getting throttle-cut, you've mapped it wrong.  So, tell us what you've changed, and post some quality ME7Logger Logs!
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wannabee900
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« Reply #5 on: October 14, 2015, 02:55:17 AM »

It had been wise to first of all clearly explain in OP that this is regarding a NA=>FI conversion.  Roll Eyes
And although rules of physics are the same in a NA and FI engine the setup of Motronic is NOT.
I would say that questions regarding NA=>FI does not fit well in N00b questions. And since you are new at this and the questions asked would have been best placed in n00b if they was regarding eg 1.8t or 2.7t you have nowhere to put these questions as of today.  Wink

Learn tuning motronic on a FI 1.8t or 2.7t before trying to do a turbo conversion of a NA engine.
Then when you know more about general Motronic tuning you can ask relevant questions in tuning forum about NA=>FI conversions and forget about n00b forum.  Smiley
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adam-
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« Reply #6 on: October 14, 2015, 03:29:15 AM »

Aw, sake!  I keep forgetting that this is the most backwards thing ever and that I've already told him to just get PRJ to apply his patch to control boost because this isn't going to work.

This is why you're getting throttle cut - because the ECU is seeing boost and has literally no idea what to do with it.
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wannabee900
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« Reply #7 on: October 14, 2015, 03:36:41 AM »

Well it still needs a lot of work and learning I. prj has PID code to control a n75 on NA ecu but I don't think his code do anything to help ecu when there is more load than expected.
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Jim_Coupe
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« Reply #8 on: October 14, 2015, 04:13:46 AM »

Thanks for Answer..  But it didnt quite really answered my question about torque torque limit. Just answer my question about KFMIOP and KFMIRL that would be fine. If the case is that I get a throttle cut is just a thought for now.. but it can also be the nature of this engine, poor turbo and so on.

-adam im soon starting to believe you are promoting -PRJ so much you have some deal to make ppl buy stuff from him or something.. All this PJR PRJ.. Let me tell you something! Answer my questions not promoting PRJ all the time man.. I KNOW this ECU has a diffrent algo for NA engines.. Im learning my self here man, do you have a problem with that im stumbling forward trying and trying to learn this?
And by the way. Do not forget that couple moths ago i talked directly to PRJ and he is NOT intressted to help me out due to vast distance between us.. So what do I do.. what do I do when prj say no no Huh?? So can you please stop interfere in my threads, that would be really kind of you. Or we could have a seriously discussion about this on skype if you really want details about my build. and BTW.. Im close to wriring my own N75 boost control via ECU the witing is done and output has a boost table. But ill keep that for myself for now.

I had one question and it was about torque limiter. Thank god this awsome forum have already discussed this alot in this thread.. http://nefariousmotorsports.com/forum/index.php?action=printpage;topic=970.0
 

Thanks wannabee900 thats exactly my conclusion for now. need to learn more of this. 

« Last Edit: October 14, 2015, 05:31:48 AM by Jim_Coupe » Logged

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« Reply #9 on: October 14, 2015, 04:49:30 AM »

I've never spoken to PRJ in my entire life, but after reading all his answers on here tells me all I need to know.

I myself put up a thread about boosting an R32 and he chimed in and said that if I wanted serious help to PM and he would create a file for me.  For money, obviously, but still, he was more than helpful.

I'm not promoting him or his business, I don't even know what part of the world he's from. 

If the case is that I get a throttle cut is just a thought for now.. but it can also be the nature of this engine, poor turbo and so on.

Not only that, you've just commented saying you're not even sure on the quality of the hardware side yourself, and yet you're still asking us for help, and you've STILL not posted any logs.

Im close to wriring my own N75 boost control via ECU the witing is done and output has a boost table. But ill keep that for myself for now.

Why don't you post up what you've done, so some of the experienced members can help you/tell you if what you're doing is right.

If you really want help: document your thought process; what you're changing; logs; more thought process; logs.

Good luck, bud.
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nyet
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« Reply #10 on: October 14, 2015, 10:25:29 AM »

Im learning my self here man, do you have a problem with that im stumbling forward trying and trying to learn this?

Again, this is the wrong project to learn ME7 on.
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Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
prj
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« Reply #11 on: October 14, 2015, 11:47:39 AM »

Learning ME7 on a R32 turbo project:

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Jim_Coupe
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« Reply #12 on: October 14, 2015, 11:46:18 PM »

Yes PRJ Smiley  and it feels really great.. So now when I have all your attention.. please answer the following question: Can KFMIOP and KFMIRL cause throttleplate cut? 

I was out logging with VAG-COM (block 120) yesterday. But could´nt find any good parameter that show actual throttle plate angel Vs  pedal angle. still locking for a better way to log those parameters.



« Last Edit: October 15, 2015, 12:33:28 AM by Jim_Coupe » Logged

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prj
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« Reply #13 on: October 16, 2015, 09:42:45 AM »

Yes, sure. Like about a million other different things, some of which are unsolvable without modifying the program code when going from NA -> Turbo on stock ECU.
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adam-
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« Reply #14 on: October 16, 2015, 02:04:48 PM »

Why are you attempting to log with vag-com?
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