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Jim_Coupe
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« on: February 23, 2016, 12:23:42 PM »
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Hi,
A subject I havent learned the basics of.. Since i have an NA engine my Load axis is max 105% If i look into an S4 tuned file i can se 140% load axis.
I have changed to a new MAF and recalculated my "Volt vs g/s curve". My load goes beyond 105% now due to over boosting.
Is there any good example in the Wiki of how this works or do I have to calibrate this my self? 1.5 bar = 250% Load?
Or shall i underscale my MAF so that 250% is my new 100%? Is this how its done properly?
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« Last Edit: February 23, 2016, 12:27:48 PM by Jim_Coupe »
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E85oholic
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nyet
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« Reply #1 on: February 23, 2016, 12:48:01 PM »
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As was pointed out to you before, getting an NA car to run turbos in ME is beyond the scope of anyone who can't actually write custom ASM in ME
Also, not sure what you mean by "my load axis".
There are literally hundreds of different maps with load axis data.
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease 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 ex
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Jim_Coupe
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« Reply #2 on: February 23, 2016, 01:49:16 PM »
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Understand.. what i ment was changin the "rl_w" for higher load.
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E85oholic
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nyet
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« Reply #3 on: February 23, 2016, 04:53:01 PM »
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It would be a significant rewrite of just about every load path in the system. Not sure why you ignored it the first time someone pointed that out.
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease 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 ex
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Jim_Coupe
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« Reply #4 on: February 24, 2016, 01:08:16 AM »
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I may have confused the load path with something else.. I can get the fueling i want now though, but its not optimal. The turbo will be controlled by my arduino based boost controller. Going to look more into it.
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E85oholic
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nyet
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« Reply #5 on: February 24, 2016, 10:15:33 AM »
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Are you saying if you run more boost you won't run in to the load cap?
Why?
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease 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 ex
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Jim_Coupe
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« Reply #6 on: February 24, 2016, 11:13:58 AM »
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Load cap? Where can i find more about that, is it in the wiki?
You know that i have been asking about load and throttle-cut and so on in other threads.. So "load cap" might be that problem. Im suspecting something like that. Bought a newer VCDS so hopefully i can run better logs so get the picture more clear.
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E85oholic
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ddillenger
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« Reply #7 on: February 24, 2016, 11:29:40 AM »
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The load cap is a compile constant. It's not a map, it requires code changes to lift. Additionally, you need to read EGFE.
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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!
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nyet
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« Reply #8 on: February 24, 2016, 12:05:31 PM »
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Reread the definition of load on the s4 wiki one more time
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease 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 ex
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Jim_Coupe
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« Reply #9 on: February 24, 2016, 02:17:16 PM »
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My "RL" is Max 110%.. I first thought that I just could edit that axis, so this axis is a constant in the assembler code? hmm..
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E85oholic
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nyet
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« Reply #10 on: February 24, 2016, 02:30:01 PM »
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My "RL" is Max 110%.. I first thought that I just could edit that axis, so this axis is a constant in the assembler code? hmm..
What are you talking about? There are hundreds of maps with a load axis. |
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease 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 ex
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Jim_Coupe
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« Reply #11 on: February 24, 2016, 03:17:35 PM »
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But there is only one calculated Load? Isnt Load calculated and then the diffrent maps use that load as axis? I thought that this load was calculated and then the diffrent maps used that as axis? I´ll re re re read the wiki agian.
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E85oholic
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nyet
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« Reply #12 on: February 24, 2016, 03:23:28 PM »
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Yes, but each map has its own axis data.
Several maps may also share the same axis data.
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease 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 ex
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ddillenger
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« Reply #13 on: February 24, 2016, 05:37:04 PM »
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Jim, the axis values don't cap anything. Increasing the values won't help, as load still won't exceed the hard cap (read the fdef, sys_turbo).
What file are you working with?
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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!
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