My awesome daily project 35mpg/150whp highway donut
#201
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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?
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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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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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As far as dipping at coast down, that may be your max decel load setting.
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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.
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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Can someone help me out here? It appears that:
1994:
![](https://www.miataturbo.net/attachments/build-threads-57/41253d1335120419-my-awesome-daily-project-35mpg-150whp-highway-donut-1994-coils.png)
2001:
![](https://www.miataturbo.net/attachments/build-threads-57/41254d1335120419-my-awesome-daily-project-35mpg-150whp-highway-donut-2001-coils.png)
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.
- brw and brw/yel from 1994 goes to coil pack #1, brown goes to #2
- 1994 blue and 2001blk/wht appear to be power from the ignition switch
- 1994 black and 2001 black are GND
- 1994 blk/wht was Jack Bower bomb diffused (cut because it's no longer driving a tach)
1994:
![](https://www.miataturbo.net/attachments/build-threads-57/41253d1335120419-my-awesome-daily-project-35mpg-150whp-highway-donut-1994-coils.png)
2001:
![](https://www.miataturbo.net/attachments/build-threads-57/41254d1335120419-my-awesome-daily-project-35mpg-150whp-highway-donut-2001-coils.png)
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.
Last edited by hustler; 05-27-2012 at 08:21 AM.
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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.
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.