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windsor jr heads

2548 Views 4 Replies 5 Participants Last post by  tonys10sec306
i jus picked up a set of world windsor jr heads andi paid practically nothing for them they are the aluminums but i cant find anadd to save my life on what kinda power they will make on my 306 anyone know of a good tech article or dyno test with windsor jrs? or know a bas line round about what they willl make over a stock head same cc chambers and same size valve? thanx!
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