Agree. I would guess that the misfire is caused by too much vacuum advance under light throttle. Would suspect that slowly bringing the engine revs up in neutral probably will cause the same misfire.
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Mick Batson
1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress.
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