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Author Topic: Dialing in the single  (Read 248354 times)
phila_dot
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« Reply #285 on: January 21, 2013, 01:30:32 PM »

my guess is your LDRXN is set up wrong. request more load earlier.

It's not LDRXN, rlmx_w and rlmax_w look fine.

What does rlsol_w look like?

Definitely doesn't look like the problem is on the desired charge side to me.
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marcellus
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« Reply #286 on: January 21, 2013, 01:32:18 PM »

Here's the log
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marcellus
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« Reply #287 on: January 21, 2013, 03:05:02 PM »

Boost is getting closer, I still need to tweak the VGT opening PSI and the N75 some more to dial back the boost spike.

Load and AFR chart shows fueling to still be retarded, but not totally leaning out now that I am not boosting to who knows where.

AND.............now that I have some other people to reference I am thinking my timing is really low.

« Last Edit: January 21, 2013, 03:12:48 PM by marcellus » Logged
nyet
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« Reply #288 on: January 21, 2013, 03:14:05 PM »

You are requesting too much timing.

Check your timing retard.
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ME7.1 tuning guide (READ FIRST)
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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 experience.
marcellus
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« Reply #289 on: January 21, 2013, 03:25:09 PM »

I thought I was running pretty conservative.  I know part of the reason is due to the lean spot. 
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nyet
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« Reply #290 on: January 21, 2013, 03:28:35 PM »

yea sorry, didn't see that. DEFINITELY make actual AFR match requested fuel before going further. That should be the FIRST thing you fix, not the last Smiley Don't BE LAZY HERE!

It should be consistent regardless of boost levels.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

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 experience.
marcellus
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« Reply #291 on: January 21, 2013, 03:40:15 PM »

I am trying to not mess with the kfkhfm map at all.  The map is set to all 1's right now since I am running the hpx in blow through.  I think I might use one of my user inputs to my ZT-2 to log MAF voltage so I can see where the fueling is going off compared to the voltages at MAF and dial in the MAF better.
« Last Edit: January 21, 2013, 03:44:42 PM by marcellus » Logged
prj
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« Reply #292 on: January 21, 2013, 05:31:13 PM »

I think I might use one of my user inputs to my ZT-2 to log MAF voltage

Or you could add uhfm_w to the log.
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marcellus
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« Reply #293 on: January 21, 2013, 10:08:52 PM »

I went to my first MLHFM that I interpolated from the original HPX 30 point transfer function and original KRKTE and it got me a lot closer to where I needed to be.
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marcellus
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« Reply #294 on: January 21, 2013, 10:29:04 PM »

Going through my last log of the night.  Not too bad for a couple of revisions.  Timing is still really conservative.
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marcellus
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« Reply #295 on: January 21, 2013, 10:54:56 PM »

I am wondering how my car compares to the s4's given I am running a 2.8 5speed trans and 19" wheel/tire combo.
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rnagy86
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« Reply #296 on: January 21, 2013, 11:59:40 PM »

Well I run 3.4-3.5 fats with K04's however timing and boost is not fully dialed in yet (the car is 1800 kg including me). Of course britishturbo has been running way better fats than this with his single turbo and I guess he is still not ready with his tune.
« Last Edit: January 22, 2013, 12:03:22 AM by rnagy86 » Logged
Bische
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« Reply #297 on: January 22, 2013, 02:59:19 AM »

I went to my first MLHFM that I interpolated from the original HPX 30 point transfer function and original KRKTE and it got me a lot closer to where I needed to be.

That lean spot is likely because you are hitting the ps_w cap.
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marcellus
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« Reply #298 on: January 22, 2013, 07:42:51 AM »

That lean spot is likely because you are hitting the ps_w cap.

I Kind of figured this was the case considering it was really lean right where the boost goes off the scale.  Until I figure out the hack, I did what I have been doing to fix 22+psi weirdness.  I scaled KFKHFM down in those areas and scaled KFLF up. 
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britishturbo
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« Reply #299 on: January 22, 2013, 08:57:32 AM »

Well I run 3.4-3.5 fats with K04's however timing and boost is not fully dialed in yet (the car is 1800 kg including me). Of course britishturbo has been running way better fats than this with his single turbo and I guess he is still not ready with his tune.

2.8 FATS now at ~22psi of boost :-)
I'm getting my tune a lot closer to where I want it now...
And today my new MAF showed up... so I get to start over with my MAF too lol

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