Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - DIY Head Cleaning, crack detection suggestion
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Old 05-30-2012, 08:57 AM
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Originally Posted by OneMoreTime
Magnaflux is used on iron heads the dye penetrate on aluminum heads though the dye penetrate will work on both..Some heads have a pipe plug instead of freeze any case clean the coolant passages as I am convinced the coolant passages can be plugged in some cases leading to overheat issues..Your methods should work fine..

ahhh.. okay I was wondering since you cant magnetize aluminum. Should I switch to a small steel shot for my blast cabinet or would a glass bead or silica media continue to work? The 20/40 seems to eat away pretty good which I don't mind except for the gasket surfaces.
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