NefMoto

But don't want it to be solely my voice. Please, post some of your work, methods, what you've tried, what you've found works, and what doesn't.

I try for zero CF, don't remember what setup this was from but they always end up pretty similar.  KR leads the way when things are ideal, but can enrich very fast if needed.  Lamfa pops a little in early for bad fuel and bts is still active for long pulls by being set high, but reasonable enough to still activate when needed.

Thanks for the input Jared, that's pretty much how mine is setup right now.

Can you explain what the changes you made to KFLAMKR do?

If EGt's are deleted, KFLBTS can't do its job right?

For instance, I have set CDATR/ATS to the max to eliminate egt's. That means theres no further enrichment there and I need to compensate with a more aggressive LAMFA. I have been able to get better cruising mileage and still safe WOT afr's this way.

The results log fine. Seemed the simplest way. 

No it uses the modeled EGT.  So once it hits whatever TABGBTS is set to it switches over to the BTS map for fueling.

Ah, thanks for the clarification. I will try some more changes then. After improvements in econ while commuting, while not hurting WOT.

I run exclusively on KR fueling:

1) Set CWLAMFAW bit 0 to 0
2) change ZKLAMFAW to "100" FFFF. This is very important. Without this, the lambda requests are filtered through time filter and new requested lambda takes time to take effect, as much as 1-2s. If you leave it in stock form, the KR fueling has no chance to work properly as the requested AFRs are severely delayed and you'll be spiraling into more and more knock unless you put low AFRs into table... but that's going to biet you when in different gears/longer pulls. With it being FFFF, it is an instant change. No longer nice and flat AFR curve though, the ECU really starts to work on proper fueling with this in.
3) Adjust KFLAMKRL knock axis so that lowest value is "0.00" - no knock. This will drive your lambda in no-knock situation if you want to pre-emptively enrich the mixture in high loads... it effectively takes over BTS functionality.
4) Perhaps change load axis if you want... you can make this table looking like mini-BTS if you want.
5) come up with some sane KFLAMKRL values... This is where tuning comes into place and what your AFR targets are:

AFR version:

Lambda version:

double post

Julex, but what about the changes snow trooper is making to KFLAMKR, are these necessary and what do they do?

KR is the factor by which KRL is multiplied.

I have it a default "1". I don't see why would you need to change these at all. The matter of fact is that no timing correction kicks in before really high load anyway so his corrections to low load  are pointless...

Look at his maps. Load 80, corrections 0.0. KRL has 12.9 AFR while KR map has 0.0... this effectively nullifies KRL setting and leaves AFR at 14.7. A little silly.

Can you post a pic of your KR table?  The stock one seems to be 0'd out in many areas which as you say would disabled KR completely for those load/rpm points

Mine is setup similar to Jareds. I don't see the need for KR fueling at low load/rpm's.

You could just set it to 1 I suppose, but why bother with an area that will never see knock based enrichment anyway?

Apologies, you're right, you need to put 1 in every cell of KFLAMKR table to make sure it doesn't moderate output of KFLAMKRL table. I thought it was the case with stock set up, but it is not.

There is no reason to use KFLAMKR table unless you're doing so strange rpm/load adjustments for how strong the KR fuel enrichment should kick at certain RPMs/load... My taker on it is - always 100% of value defined in KFLAMKRL  table.

Cool! thanks for the explanation, I haven't even been using KR just have left it stock, i've been using BTS and LAMFA, it will be interesting to play with this now.

I have been using KR based fueling as the primary pathway for a longtime now... it works very very well if setup right.

But... I do still leave BTS running. This acts as a safeguard for if you are at a low load area for a long time... an example would be 6th gear, cruising but at low boost. Over time things will get hot... if BTS is defeated then you have no safeguard against this.

And on top of this I will have LAMFA setup as well on top of that.

The use of all 3 pathways really helps dial things in under all driving conditions.

Mine is pretty much identical to Jareds. That way BTS is still active at low loads and RPM's where knock isn't going to be driving fueling.

Def not pointless to taper in kr control of fueling.  I don't want it used down low, so I don't allow it.  If the map was pointless it wouldn't exist imho.

I have not changed this and have never noticed a fueling delay with kr corrections or fueling in general.  I also do not remember ever covering this before.  I was under the impression it would possibly delay LAMFA (driver input) switch over, but even then I have never experienced it.

I am going to max it this evening and see what changes.

http://nefariousmotorsports.com/forum/index.php?topic=2637.0

Thanks, forgot about it.  I never defined it in my xdf.

It makes a big difference.

Not sure whats up with my single turbo car I am not seeing any change other than more active afrs through transitions.  which makes sense... but no in the speed in which the change in the fuel coming in vs boost/throttle/rpm/etc.

the car actually feels happier though, so thats awesome.