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Message: <blockquote data-quote="RossKean" data-source="post: 1457101" data-attributes="member: 19880">I agree with the "Last Thing" postulate, but I haven't heard that opening up the exhaust made much difference in operation unless something else happened concurrently.  This goes back to the days when the "Trooper Mod" was done by a few (and ultimately regretted by most). (Haven't heard about that for a while.)I would definitely check into the 800 rpm idle and adjust to 1100 or so.  (If it can't be adjusted, it points to other possible issues - notably TBS or vacuum leak.  Worth checking to make sure the rubber caps are present on the four TBS adjustment ports...</blockquote>