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Message: <blockquote data-quote="Cherochaun" data-source="post: 1490786" data-attributes="member: 28561"><p>I have to get it tuned one way or another. After installing headers the idle is inconsistent. After reaching running temp it gets worse to the point it has to catch itself from stalling out!. After 15 minutes of driving it will sometimes stall at a light. Anything under 1800 rpm and it has a stumble best I can describe. Not like trying to cut out but a stumble consistent 2-3 second stumble. Just put a 200 amp alternator in msd coil pack, etc. Cold air, cat delete, etc. Air/fuel mixture is my best guess for the issues.</p></blockquote><p></p>