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Just tuned up my '69 350/300hp. Idles great in park, but when you put it in gear it runs rough. Once going it runs fine til you stop and it runs rough again.
Any thoughts?
Thx
Asa
what is the idle speed in gear? did you turn each idle screw clockwise until you read a drop in RPM on the tach and then turned it back about a 1/4 turn?
rough idle
