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Author Topic: Coil dwell with stock coilsticks  (Read 405 times)
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servion
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« on: April 13, 2010, 01:52:31 AM »

Hello, I would like to know if any of you would be willing to share your coil dwell map that you're using with the OEM coil sticks.

I read elsewhere when I was setting up my autronic that the stock onbes don't like much over 1.8ms, so I set my entire coil dwell map to 1.8ms.  It seems to run fine, but a bit lumpy at idle.  Definitely liveable consdiering I'm using 1000cc injectors, but I'm wondering if I can clear it up abit by increasing dwell time at lower rpms. 

I looked at a stock ignition map pulled using ECUEditor when I built it, and it looked like the OEM ECU runs much more dwell at lower load and RPMs (if  memory serves, maybe up to 6ms)?  I don't want to crank up the dwell and cook some expensive coils.  What are you megasquirt guys getting away with?
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Chris Horoho
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« Reply #1 on: April 13, 2010, 02:07:05 AM »

If memory serve me right the stock are good to 3ms before their life span is shortened
and possibly burned up but let me do some more checking
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servion
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« Reply #2 on: April 13, 2010, 11:36:38 PM »

I found this, its a rom raider screenshot of the stock ECU coil dwell map



Still, I don't feel comfortable going much higher with a standalone unless I hear others are doing it too LOL
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Blue 12
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« Reply #3 on: September 12, 2011, 12:25:23 AM »

if you are running wasted spark, and the coils fire twice as often than with sequential, do you need to run half the max dwell?. say 3 was good for sequential, is 1.5 max for wasted spark? or does it work like that?....
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