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cracks or casting marks?


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iv'e seen many of those,the ones that are cracked bad will be really clean {preasure wasned w/coolant} iv'e also seen the cracks peened w/ a center punch, to try and fix them??? and the old school test.lay head out side and fill cyinder"head w/gas and time how long it takes to drain out. or not. as i recall if 1/2the gas is still there in 10 min.your good to go. or something like that, the more gas retained the better. good luck todd

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