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Author Topic: Overboosting, not following Desired Boost  (Read 24569 times)
Maxohio
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« Reply #30 on: April 13, 2019, 08:51:52 AM »

Thats ldtvr_w right?
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Maxohio
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« Reply #31 on: April 13, 2019, 10:42:59 AM »

Changed IMX and logged with requested variable
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nyet
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« Reply #32 on: April 13, 2019, 01:32:18 PM »

MUCH better.

I think you just need to remove more of DIMX, add Q2 back at around 2500-2750, and bring up LDRL a bit from 4000 up and you should be close!
« Last Edit: April 13, 2019, 01:38:35 PM by nyet » Logged

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nyet
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« Reply #33 on: April 13, 2019, 01:50:11 PM »

Alternately, you could probably add some boost request <3500 RPM, you have decent enough fueling and timing isn't horrible.
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Maxohio
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« Reply #34 on: April 13, 2019, 02:00:00 PM »

IMX is a bit lower, Q2 added a bit and DRL up a bit.

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Maxohio
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« Reply #35 on: April 13, 2019, 02:43:00 PM »

Sorry i think you mean i should lower q2
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nyet
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« Reply #36 on: April 13, 2019, 05:05:55 PM »

Hard to say, the initial overshoot is caused by insufficient Q2 (D).
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Maxohio
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« Reply #37 on: April 15, 2019, 11:04:25 AM »

So have changed some graphs, IMX is now at 51 flat ( isn't this to low?
Peak boost is gone, still shows underboost spikes.
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nyet
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« Reply #38 on: April 15, 2019, 11:47:13 AM »

yea, you were right, pull Q2. Not sure why it is so crazy after boost onset but you dont have any on ramp.
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Maxohio
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« Reply #39 on: April 15, 2019, 11:49:15 AM »

I changed IMX to 55 flat, car was not starting on 51 flat.
Small overboost is not a problem right(peak)?
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Maxohio
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« Reply #40 on: April 15, 2019, 12:52:52 PM »

PS could ot be machenical?
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nyet
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« Reply #41 on: April 16, 2019, 12:57:43 PM »

No I don't think it is mechanical
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Please do not ask me for tunes. I'm here to help people make their own.

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Maxohio
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« Reply #42 on: April 19, 2019, 11:29:47 AM »

I dont get it anymore, i've flatten out 56 imx from 2500.
Engine response is slow, when i let the engine idle for 2 min~ it stalls or not responding to gas. Orginal no problems.
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sonique
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« Reply #43 on: April 19, 2019, 11:54:03 AM »

you problem not imx or q2
never need very low KFLDRL or KFLDIMX auq engine

and plz write actual modification the car and exhaust ?
removed original downpipe ?

and faster upload actual file
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Maxohio
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« Reply #44 on: April 19, 2019, 12:01:38 PM »

Hi, no original downpipe, 200cells racekat now
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