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Cobra Forums
The Terminator
Engine/Tuning
Timing at idle
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<blockquote data-quote="03cobra#2" data-source="post: 16436597" data-attributes="member: 52057"><p>Just wanted to add that I've been working on my idle. I had it set to 900 because I have cams and spark was around 20. Idle surged so my tuner lowered it to 15 and made all the difference. I then lowered to 875 and it surged a bit, so I lowered spark to about 10-12 and it idles good. So it seems that when spark is too high idle can surge and even idle higher then what you set it to. </p><p></p><p>Edit: idle is a balancing act between throttle blade position, idle speed duty cycle, idle integrator, and spark. They all have to jive to get a good stable idle. ESPECIALLY with more aggressive cams.</p></blockquote><p></p>
[QUOTE="03cobra#2, post: 16436597, member: 52057"] Just wanted to add that I've been working on my idle. I had it set to 900 because I have cams and spark was around 20. Idle surged so my tuner lowered it to 15 and made all the difference. I then lowered to 875 and it surged a bit, so I lowered spark to about 10-12 and it idles good. So it seems that when spark is too high idle can surge and even idle higher then what you set it to. Edit: idle is a balancing act between throttle blade position, idle speed duty cycle, idle integrator, and spark. They all have to jive to get a good stable idle. ESPECIALLY with more aggressive cams. [/QUOTE]
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Timing at idle
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