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Originally Posted by Braineack
(Post 864644)
its getting leaner when you switch it on too...i realize the rpms dropped, but maybe add more fuel in higher MAP ac/idle areas
Also, I've been making these adjustments thinking that PID/IAC settings will "add airflow" rather than take it away assuming the idle screw permits the minimum airflow required to idle the car and the IAC/PID will add airflow to increase the idle speed. Is this correct? |
How much Idle duty % is reasonable in the AC table. At about 65% duty it does much better than what everyone else is recommending which is more like 15-30%. At 65 percent the AC on/off rpm drop is only from 900-600 or so. With the 35% duty its going from 900-400 and usually dying.
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WTF is up with the PID inconsistency with and without AC?
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Originally Posted by hustler
(Post 866027)
WTF is up with the PID inconsistency with and without AC?
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Originally Posted by Bryce
(Post 866065)
I seem to get the same thing. Idles good without AC, turn AC on and it will oscillate like crazy. I haven't messed with it much though, too busy enjoying AC that doesn't stall the car.
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First-world problems.
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Originally Posted by hustler
(Post 865937)
How much Idle duty % is reasonable in the AC table. At about 65% duty it does much better than what everyone else is recommending which is more like 15-30%. At 65 percent the AC on/off rpm drop is only from 900-600 or so. With the 35% duty its going from 900-400 and usually dying.
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i add 12.5% with a/c
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Originally Posted by hustler
(Post 866081)
I don't have oscillation, I get random idle dip off over-run or with AC cycling. 75% of the time, it works.
As far as dipping at coast down, that may be your max decel load setting. |
I'm a little torn on continuing to jack with it vs leave it and start over with the VVT engine swap.
So, any thoughts on what my CKP and CMP settings should look like for the VVT engine using the 2001 style sensors? I may start the swap next weekend if my turbo comes back for the green car. |
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not sure if you're using ms3x hardware but this is a good starting point:
https://www.miataturbo.net/attachmen...ine=1334772922 https://www.miataturbo.net/attachmen...ine=1334772922 |
You will only need to switch from "4G63" to "Miata 99-04", under "Basic Setup" -> "Tach input/ignition settings".
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Took a quick vid of the A/C idle up on my own car today. This is as good as it gets.
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Originally Posted by Reverant
(Post 866468)
Took a quick vid of the A/C idle up on my own car today. This is as good as it gets.
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1 Attachment(s)
Originally Posted by Reverant
(Post 866468)
Took a quick vid of the A/C idle up on my own car today. This is as good as it gets.
https://www.miataturbo.net/attachmen...ine=1335052592 |
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If you turn up the volume, you can even hear the A/C compressor kicking in.
Le settings: https://www.miataturbo.net/attachmen...1&d=1335078804 |
Originally Posted by Reverant
(Post 866404)
You will only need to switch from "4G63" to "Miata 99-04", under "Basic Setup" -> "Tach input/ignition settings".
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Correct, 99-00.
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Can someone help me out here? It appears that:
1994: https://www.miataturbo.net/attachmen...3&d=1335120419 2001: https://www.miataturbo.net/attachmen...4&d=1335120419 I found this thread on setting dwell at 5ms: https://www.miataturbo.net/engine-performance-56/stock-ign-dwell-01-a-55579/ What should my accel compensation and max spark duration be; 1.0 and .7? What about cranking dwell? Thanks. |
Brown/yellow goes go coilpack #1 (which sparks cylinders 1 & 4). Brown goes to coilpack #2.
This is the same for both 94 and 01 coils. So that leaves black, which is ground for both 94 and 01, and then power, which is blue for the 94 and black/white for the 01. Done. I use 3.1ms for my 02 coilpacks. Spark is strong, no misfires, coilpacks are still alive 10 years after. Leave the rest alone. |
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