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Author Topic: Anti-lag launch and no-lift-shift secrets inside  (Read 490067 times)
Gonzo
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« Reply #210 on: May 03, 2012, 02:06:32 PM »

Am I crazy?
Yes.
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lulu2003
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« Reply #211 on: May 06, 2012, 11:34:54 PM »

Shift effort was reduced even more.

still looking for some video showing NLS working in real live....
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professor
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« Reply #212 on: May 07, 2012, 12:52:20 AM »

still looking for some video showing NLS working in real live....
http://www.youtube.com/watch?v=9_n180QAikI
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Rick
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« Reply #213 on: May 07, 2012, 07:31:32 AM »

http://www.youtube.com/watch?v=ihBmmrbJccU

Not forum code, but you get the idea
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lulu2003
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« Reply #214 on: May 07, 2012, 08:43:46 AM »

professor, Rick:
your videos do not show NLS!  Roll Eyes
« Last Edit: May 07, 2012, 08:45:18 AM by lulu2003 » Logged
Jason
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Breaks everything!


« Reply #215 on: May 07, 2012, 08:47:04 AM »

I'll try to get some footage this week.
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professor
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« Reply #216 on: May 07, 2012, 12:51:56 PM »

professor, Rick:
your videos do not show NLS!  Roll Eyes

lol sorry wrong video.
Look this: http://www.youtube.com/watch?v=e8CC6nkWkjM
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lulu2003
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« Reply #217 on: May 20, 2012, 10:28:59 AM »

hmm...mechanical(?) BC? boost drops? very hard shifts.... Shocked
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Jason
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Breaks everything!


« Reply #218 on: May 20, 2012, 10:37:19 AM »

I know I said I was going to get video... but now the engine is out of my car.  (I'll post the story int he other forum later)
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professor
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« Reply #219 on: May 20, 2012, 11:31:19 AM »

hmm...mechanical(?) BC? boost drops? very hard shifts.... Shocked
1bar waste gate spring i mean. BC off.
Boost stays at ~0.8bar during shifts. On video spark cut is set at 160ms, now i use 120ms i think 100ms would be best.

I know I said I was going to get video... but now the engine is out of my car.  (I'll post the story int he other forum later)
looking fwd to read it.
« Last Edit: May 20, 2012, 11:33:58 AM by professor » Logged

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boomerro
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« Reply #220 on: June 21, 2012, 12:12:24 AM »

god i miss this website... lol. im gonna have to read through all of these posts tonight... mmm read till my eyes bleed. SO MUCH WIN
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prj
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« Reply #221 on: July 02, 2012, 09:35:39 AM »

Started looking at this...

Code:
// No-Lift-Shift
  if (B_kuppl)
  {
    if (! B_brems && nmot_w > RPMThreshold && wped > AccPedalThreshold)
    {
      // NoLiftShift is active
      if (counter_NoLiftShift < IgnitionCutDuration)
      {
        tsrldyn = 0;            // Interrupt ignition
        counter_NoLiftShift++;
      }
    }
    else
    {
      // Other conditions not true, don't allow ignition interruption
      // until clutch is released and pressed again
      counter_NoLiftShift = 0xFFFF;
    }
  }
  else
  {
    // Clutch released -> re-arm NLS
    counter_NoLiftShift = 0;
  }
}

One thing I don't get - why disable ignition cut completely if RPM falls below threshold until the clutch is depressed again?
In fact, I don't see the entire logic between locking out the ignition cut at all.

Before it cuts ignition, it checks if all the conditions are met. If any of them are not met, it should IMO just reset the counter and that's it. At least that's how I did it on the older ECU's.
Am I missing something obvious here?
« Last Edit: July 02, 2012, 09:37:12 AM by prj » Logged

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prj
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« Reply #222 on: July 02, 2012, 10:03:31 AM »

Ah, never mind, I see now.
This is purely a time based implementation, not rev or anything else based.
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lulu2003
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« Reply #223 on: July 17, 2012, 06:08:45 AM »

regarding NLS only:
Ì miss some efforts about cutting fuel instead or additional to spark cuts/retards.

the conditions during NLS should allow cutting fuel for 100-200ms without losing too much boost.
or did I miss somthing?
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Michel94
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« Reply #224 on: August 03, 2012, 12:51:21 PM »

How we can do for NLS on 651Kbox or Fbox? thx
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