feedback carb adjustment
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Joined: Aug 2006
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feedback carb adjustment
Hi all. I have a question for anyone who know about the feedback carb for an 85 fullsize bronco with a 4.9L,300 engine. I've been having a rich running condition and decided to remove the carter YFA 1 barrel feedback carb to check things out. I know about the 2 adjusting screws for idle and fast idle. When I looked at the carb I discovered a third adjusting screw. The screw is located on the passenger side at the base of the carb right next to the hole for the mounting stud. Can some one tell me what this screw adjusts? It has a spring on the screw so I know that it is an adjusting screw.
Any help would be greatly appreciated.
Bill
Any help would be greatly appreciated.
Bill
