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Hi Jerry, I love em to idle slow n sweet also. Assuming you already removed all the brass drill plugs and used the extra long No 40 and 53 aircraft drill bits to drill n clean the idle passages (They alllll l need to be clean) did you check out n clean the passage where the needle tip end seats??? Other poor idling possibilitis may be the butterfly plate is not nice n round n concentric to fit n match the bore,,,,, ,theres a vacuum leak leaning the mixture perhaps around worn throttle shaft bushings or the manifold base or the carb to manifold junction (spray WD 40 or carb cleaner or an unlit propane torch at those places to find a vacuum leak which causes her to speed up and/or smooth out),,,,, ,,,,, theres a vacuum leak past the needle valve threads,,,,, ,,,the throttle shaft bushings arent pressed down far enough into the bore (down to where theres no interference with the throttle plate). It seems Duane or Pat or someone posted a pic somewhere a while back or at least discussed the idle passages and how or where one area is sort of "hidden" or "overlooked" and you need to get the drill bit or clean out wires through there also????? but I dont recall where I heard that discussion..... Let us know, best wishes n God Bless John T
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