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Sandstorm3k
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« Reply #1 on: June 04, 2021, 01:06:43 AM »
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I can't imagine it's worth bothering with cat models to be honest, but i could be greatly mistaken here. What would be the point?
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GianniNOS
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« Reply #2 on: June 04, 2021, 03:03:14 AM »
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you can to low the maps of estimated exaust temperature, about 20-30 degrees
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Sandstorm3k
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« Reply #3 on: June 04, 2021, 03:07:55 AM »
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What is the use for this, why wouldn't you just lower TABGTS threshold or is there any other reason to do so?
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totti
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« Reply #4 on: June 04, 2021, 05:23:04 AM »
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I can't imagine it's worth bothering with cat models to be honest, but i could be greatly mistaken here. What would be the point?
I don't have EGT sensor, so the SW calculate it. That's why I asked that should I change cat model to have better EGT calculation.
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RBPE
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« Reply #5 on: June 04, 2021, 05:46:50 AM »
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Dew point and continual monitoring purposes rather than just on/off/limits for bts
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totti
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« Reply #6 on: June 04, 2021, 02:06:40 PM »
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Dew point and continual monitoring purposes rather than just on/off/limits for bts
I have BTS enabled the problem is that with wot I reach 920C at ~5500RPM
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totti
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« Reply #7 on: June 04, 2021, 04:07:40 PM »
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I found the CWLAMBTS that can work. What will happen if I change the 2nd bit to 0? TABGM is also good for part protection?
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totti
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« Reply #8 on: September 12, 2021, 04:09:43 AM »
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I've change the original cat with the 100cell. I've made some turbo characteristic measuerements. For me the tabgbts seems a little bit high. I don't have rear O2 sensor. I've disabled it with ESKONF. It seems it is working, I don't have errors. S4 wiki I found that: LAMBTS (1. use temperature in exhaust manifold for BTS enrichment instead of precat 2. Enable LAMBTS only on high exhaust manifold temperatures - ignore cat/precat temperatures):
CWLAMBTS.2 = 1 DTBTS = 0 TKATBTS = F(max) TIKATBTS = F(max)
Should I do that?
Thank you
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« Last Edit: September 12, 2021, 04:14:07 AM by totti »
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nyet
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« Reply #9 on: September 12, 2021, 12:30:31 PM »
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I've change the original cat with the 100cell. I've made some turbo characteristic measuerements. For me the tabgbts seems a little bit high. I don't have rear O2 sensor. I've disabled it with ESKONF. It seems it is working, I don't have errors. S4 wiki I found that: LAMBTS (1. use temperature in exhaust manifold for BTS enrichment instead of precat 2. Enable LAMBTS only on high exhaust manifold temperatures - ignore cat/precat temperatures):
CWLAMBTS.2 = 1 DTBTS = 0 TKATBTS = F(max) TIKATBTS = F(max)
Should I do that?
Thank you
WHAT THE FUCK what is up with your boost. stop what you are doing right now. Period.
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totti
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« Reply #10 on: September 12, 2021, 01:15:33 PM »
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WHAT THE FUCK
what is up with your boost. stop what you are doing right now. Period.
As I wrote I made characteristic measuerements. The atteched picture was with 95% WG DC. I've attached the 70% one. But the tabgbts seems too high. I know that this is the manifold modeled temperature but I saw similar config(same turbo with same boost and same lamba control) with EGT sensor and there the temperature was max 850C. So the EGT should be between tabgm and tabgbts(currently tabgkrm_w because CWLAMBTS.2 =1)
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aef
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« Reply #11 on: September 13, 2021, 12:53:50 AM »
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install a real egt probe
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