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Cobra Forums
SVT Shelby GT500
JDM SS cams and driveability
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<blockquote data-quote="Catmonkey" data-source="post: 16259653" data-attributes="member: 124025"><p>The low vacuum bypass doesn't really do anything to improve idle, it has a lower power spring to let low vacuum open the bypass at idle and lower engine speeds. It takes somewhere around 12 inhg to open the valve. I'm on the edge of needing one of those on my car. I've got my idle set at 850 rpm. It's just a bit happier at that speed than anything I've tried that was lower. Especially with the a/c on.</p></blockquote><p></p>
[QUOTE="Catmonkey, post: 16259653, member: 124025"] The low vacuum bypass doesn't really do anything to improve idle, it has a lower power spring to let low vacuum open the bypass at idle and lower engine speeds. It takes somewhere around 12 inhg to open the valve. I'm on the edge of needing one of those on my car. I've got my idle set at 850 rpm. It's just a bit happier at that speed than anything I've tried that was lower. Especially with the a/c on. [/QUOTE]
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SVT Shelby GT500
JDM SS cams and driveability
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