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Old 12-06-2018, 10:40 AM   #6
rosenkranswa
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Join Date: Oct 2012
Location: Malvern, PA
Posts: 343
Default Re: Engine runs rough unles GAV is open 3/4 turn

Had exactly the same problem on a couple of my A's - GAV needed open more and more to run well every year. Finally pulled the carbs and did a good cleaning with some carb cleaner. Problem solved and back to running the way they should. One had the jets so gummed up I had to really work to get them clean. Now I always let the carbs run dry when I'm shutting down for more than a few days.
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