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  1. Ford 390-432 FE valve floating

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    Hello i'm Giulio from Italy , i recently builded a Big Block ford 390-432 FE on a Ford Mustang 1968 , engine run very good and very fast but valve floating at 4700-4900 rpm , i read that this engine family FE bear this problem , but the strange thing is why Eddy rpm heads and rpm cam combo can...