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sr20 idle speed


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You can often get some reasonable idle control using the idle ignition table alone.  Cold start will never be great without an IAC.  

Set it up with less timing than you would normally run in the zero error cell (try about 5deg) then ramp it steeply either side. Throttle stop will need to be adjusted so it idles close to the zero error cell under normal conditions.  I’m not at a pc now but will post an example and a bit more info tomorrow 

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