tadope
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« Reply #15 on: June 14, 2021, 07:53:14 PM »
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I think i got somewhere!
I tried 4 different n75 valves, and this one gives me full boost and no limpmode (yet).
STILL a large deviation from requested to actual, but it's much better now.
Thoughts on this log?
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nyet
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« Reply #16 on: June 14, 2021, 10:08:40 PM »
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not sure why you're doing this.
why not just disconnect the wg line? It's equivalent to 95% DC
just be careful, dont overboost, hopefully you have a gauge
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nyet
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« Reply #17 on: June 14, 2021, 10:10:24 PM »
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LOL that requested boost is hilarious.
You're wasting your time.
Find a real tuner or start from scratch.
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tadope
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« Reply #18 on: June 14, 2021, 10:30:30 PM »
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I know. It ain't pretty but it was 80$
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tadope
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« Reply #19 on: June 15, 2021, 07:54:40 AM »
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Also the n75 is a safety measure. I want to try and finish off the tuning of this file myself.
But as a noob, i need the n75 there if i fuck things up.
Also. With no n75, does the ecm treat fueling and timing the same as though it atill had control over boost?
I noticed that i get no limp mode, or codes for under/overboost, when i run only the wastegate.
This is even though requested and actual vary by as much as 6psi
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stuydub
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« Reply #20 on: June 15, 2021, 08:39:20 AM »
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NO n75 Whats controlling boost  |
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Blazius
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« Reply #21 on: June 15, 2021, 08:40:40 AM »
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Lol man, curiosity got the better of me and looked at that log.
Boost request is a joke, locked wgdc , lambda leaned out on high rpm. This file is a joke. Do these "tuners" even look at compressor maps, turbo limits etc, like go run with cwmdapp 95% dc and see what it does if you gonna target boost req like that rofl.
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« Last Edit: June 15, 2021, 08:42:44 AM by Blazius »
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stuydub
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« Reply #22 on: June 15, 2021, 08:43:08 AM »
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With no n75 u are running on wastegate so will have no control
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nyet
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« Reply #23 on: June 15, 2021, 09:52:07 AM »
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No you need to throw out that file completely.
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tadope
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« Reply #24 on: June 15, 2021, 03:14:22 PM »
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Sheeit.
Guy is a reputable tuner also.
But, and to be fair to him, he was trying to tune this with feedback from a shotty n75.
What happened was that I had an n75 from a 2002 in my 2001 car. It just so happens that there is some weird bug with those.
The n75 will be plugged in, and not throw any codes, nor will it cause limp mode, but it will basically run as though you had the wastegate hose unplugged.
On top of that, my turbo is super old (210k miles) so with no n75 control and just wastegate, the boost profile looks somewhat normal.
it spikes 22psi at 4k, then tapes down to 15psi at redline.
I'm assuming the high duty cycle was an attempt to lift that low 15psi redline.
we were trying to get 20psi peak, and 18psi hold.
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nyet
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« Reply #25 on: June 15, 2021, 03:19:21 PM »
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That doesn't excuse the rest of the random weirdness in that file.
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nyet
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« Reply #26 on: June 15, 2021, 03:20:01 PM »
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It just so happens that there is some weird bug with those.
That's plain bullshit btw. |
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nyet
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« Reply #27 on: June 15, 2021, 03:21:28 PM »
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Jesus i'm reading the reset of your post now more carefully, and just about every sentence is ... not right.
18 hold on k03s? with stock wg and fueling? Really?
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tadope
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« Reply #28 on: June 15, 2021, 03:24:05 PM »
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That's plain bullshit btw.
it's real! i have two n75 h from different cars, and they both have the same issue. n75 c runs properly in my car right now. |
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tadope
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« Reply #29 on: June 15, 2021, 03:25:35 PM »
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That doesn't excuse the rest of the random weirdness in that file.
I fully agree. |
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