Learning View Snapshots \ Discussions

[alexeiwoody]

You're not sold on the flkc tables because his a/f ranges are pulling fuel? What's the relation between the two, sorry? If you don't like his a/f ranges that's a separate issue...

As for the flkc tables - the theory is, (and from what bruce said subaru use this too?) that even if a bit of knock is detected the timing is pulled across more rpm ranges, not giving the engine chance to knock more in near ranges. If you thin out the ranges, you would have to wait for the engine to knock in that area before timing is pulled. For example if you suddenly had serious knock in all rpm ranges - erics tune would let the engine knock 4 times while matt's would allow the engine to knock 7 times, before pulling timing across the range.

It's just a bit more proactive to set it up this way

[<GB>]

http://www.romraider.com/forum/viewtopi ... =33&t=4899

Read this, it should help u understand. Basically in the d range the car uses open loop and closed loop fuel tables so if the cars pulling fuel out while in open loop it may lean out. Open loop Tends to happen around the 60g/s as said in that link so the 40+ ranges effect this ranges and this pulls fuel out while in open loop. Hope that makes sense

Bruce can u confirm this is correct!?

[dazzz168]

I personally wouldn't be worried as it's just -0.30. Yes, it shows it's taking away a little bit of fuel to hit target AFRs in the 40+ range, but to see what is really going on, you need to datalog.

Edit: my post was a little long and boring

[WheelieBin]

Latest revision, running for 10 days. Mixed driving (city/suburbs/freeway), mostly fairly aggressive because I'm an impatient person

Learning View_SS_A2UG001G_2013-02-23 08 20 40.jpg (73.63 KiB) Viewed 4316 times

[bigBADbenny]

My LV's are consistently looking like this ^ post the last revision.

[KiDo_Tuning]

You're not sold on the flkc tables because his a/f ranges are pulling fuel? What's the relation between the two, sorry? If you don't like his a/f ranges that's a separate issue...

As for the flkc tables - the theory is, (and from what bruce said subaru use this too?) that even if a bit of knock is detected the timing is pulled across more rpm ranges, not giving the engine chance to knock more in near ranges. If you thin out the ranges, you would have to wait for the engine to knock in that area before timing is pulled. For example if you suddenly had serious knock in all rpm ranges - erics tune would let the engine knock 4 times while matt's would allow the engine to knock 7 times, before pulling timing across the range.

It's just a bit more proactive to set it up this way

FLKC carries across the ranges though before being 'added' back in so if it pulls -1.4 at 3600rpm it has a timer applied til it adds .35 in increments and it also drops IAM faster. Only having 3 cells with -2.80 for example will not alter IAM but having more cells with -1.4 FLKC will drop IAM fast which pulls timing across the whole map

[KiDo_Tuning]

Learning View_SS_AE5I500G_2013-03-01 18 54 09.jpg (72.22 KiB) Viewed 4220 times

2012 GenV LGT
All Knock tables are stock... anyone notice what is different?

New ECU logic is shared with the new 2013 Forester XT

[alexeiwoody]

It's adding timing even with iam at 1??

[KiDo_Tuning]

It's adding timing even with iam at 1??

Correct No knock sum increment recorded(it did knock once which confirmed it was fine and pulled FLKC like normal but tweaked tune and no more knock) so then it starts learning to self advance...

[alexeiwoody]

If it can self advance timing...Doesn't that mean it's almost like tuning itself? That's a pretty crazy...

[bigBADbenny]

Post AVCS OCV replacement, third revision since the repair, 8th TP revision total.
Why 8? Because the AVCS synch issue made it a total PITA to tune.

I'm standalone logging with the AEM 30-4900 0-5v AFR output being logged via pin/wire 8 on an OBDII extension cable.

This revision was for "a few touch-ups"...
The touch-ups have almost negated popping completely, its all smoothness FTW.
I'm going to drive it for another day or two before logging again.

[<GB>]

Looks great Ben, she driving better?

[bigBADbenny]

It's just perfecto!!!
Waiting to see how sooty the tailpipes get...
Way smoother to drive and listen to...
Economy is looking good: pending more driving & logging in a day or two

[Kekotic]

It's just perfecto!!!
Waiting to see how sooty the tailpipes get...
Way smoother to drive and listen to...
Economy is looking good: pending more driving & logging in a day or two

Glad to hear you are happy Ben.
Whats the economy like in l/100km?

[bigBADbenny]

12/100 ATM freeway/city with plenty of wellie
It's no longer doing that thing where it would hover around 50l/100 when coasting to a stop.