shane0569
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« Reply #75 on: May 30, 2013, 12:45:01 PM »
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I'm understanding that, is corrado running k03s or k04s and stock injectors? Anyone know?
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shane0569
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« Reply #76 on: May 30, 2013, 12:49:57 PM »
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The calculated AFR was still looking on the rich side (if the calculated is even reliable), although I know it's really pushing it on the higher rpms.
Could you take a look at the file I posted above, to see if it should be safe to try and log, and if it looks like it would accomplish what I want?
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ddillenger
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« Reply #77 on: May 30, 2013, 12:54:22 PM »
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This is a k03 file. It will not hold boost to redline, k03's must taper. What problems are you having? I'm not understanding your issues I guess.
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shane0569
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« Reply #78 on: May 30, 2013, 12:55:17 PM »
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This is a k03 file. It will not hold boost to redline, k03's must taper. What problems are you having? I'm not understanding your issues I guess.
Well, I thought that corrado's file was a k03 file...no? |
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nyet
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« Reply #79 on: May 30, 2013, 01:00:28 PM »
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The calculated AFR was still looking on the rich side (if the calculated is even reliable)
It isn't, in the least. It isn't doing much more than back calculating what the ECU already does (MAF,RPM->injector on time) |
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shane0569
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« Reply #80 on: May 30, 2013, 01:04:23 PM »
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It isn't, in the least. It isn't doing much more than back calculating what the ECU already does (MAF,RPM->injector on time)
I had a feeling...so you really need a wideband to know for sure at higher boost. |
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ddillenger
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« Reply #81 on: May 30, 2013, 01:05:20 PM »
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If you're serious about tuning, get a wideband.
That, and start reading. Everything you ever wanted to know (at this stage) has been covered.
Otherwise, run the file in blissful ignorance as so many have done in the past.
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shane0569
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« Reply #82 on: May 30, 2013, 01:18:13 PM »
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Okay, can you see if I made the changes to the tables in the file in post 71 correctly?
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ddillenger
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« Reply #83 on: May 30, 2013, 01:23:55 PM »
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I'd say closer to 18, but it's an estimate until you log it.
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shane0569
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« Reply #84 on: May 30, 2013, 01:25:09 PM »
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K thanks, but, I'm on the right track with the changes?
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ddillenger
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« Reply #85 on: May 30, 2013, 01:30:37 PM »
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Read the s4 tuning wiki. If you've read it, read it again. http://s4wiki.com/wiki/Tuning |
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shane0569
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« Reply #86 on: May 30, 2013, 01:34:37 PM »
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I have, and I am currently. I guess I just can't seem to find information on the technique used to figure out the values for the tables. Do I basically just try to keep the same kind of ratios/curves between the values as I increase/decrease them..then log?
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ddillenger
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« Reply #87 on: May 30, 2013, 01:47:59 PM »
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Me7 doesn't have a boost map persay, it does everything based on specified load. Under WOT, boost will follow LDRXN. Now for an example:
Absolute pressure=10*(spec load)+300mbar.
LDRXN=195
10*195=1950
1950+300=2250
2250=absolute pressure in millibars.
To determine manifold pressure subtract the barometric pressure. Sealevel=1bar=1000mb.
2250-1000=1250mb. 1250mb=1.25bar
1bar=14.7psi
1.25bar*14.7psi=18.375psi manifold pressure.
Keep in mind, this is a ROUGH approximation. It is dependent on a large number of factors including air density, temperature, elevation, and the alignment of the stars and the moon. Use the above formula to get close, then adjust based on real world observations.
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« Last Edit: May 30, 2013, 01:51:02 PM by ddillenger »
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shane0569
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« Reply #88 on: May 30, 2013, 01:58:21 PM »
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Got it. What's the difference between LDRXN_1_A and LDRXNZK?
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ddillenger
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« Reply #89 on: May 30, 2013, 02:04:56 PM »
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LDRXNZK is maximum specified load under continuous knock. Leave it be.
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