cjames Posted December 21, 2007 Share Posted December 21, 2007 I ran across an ebay seller that advertised a L series cylinder head that was hot tanked and magnafluxed. Now I suppose that depending on the chemicals used, you could hot tank aluminum. Just not with traditional sodium hydroxide hottank chems... Ive personally never tried to magnaflux an aluminum part. Is it possible? Ive been thinking about this all day, and its bugging me. Im not convinced that it would work, at least not in the same manner that we mag cast iron or steel. What am I missing? Is there a different procedure that Im not famillar with? Quote Link to comment Share on other sites More sharing options...
jt1 Posted December 21, 2007 Share Posted December 21, 2007 You can't magnaflux aluminum because it's nonferrous and not magnetic. You can check aluminum for cracks with a fluorescent penetrant and UV light, generally known as "Zy-glo". This works very well, and works on ferrous metals along with aluminum. Naturally, it's also more expensive. John Quote Link to comment Share on other sites More sharing options...
cjames Posted December 21, 2007 Author Share Posted December 21, 2007 Thanks John, now that you mention it, I remember hearing of Zy-glo at some point in my life, forgot all about it. Makes me wonder if the ebay seller has his procedures confused, or if hes full of beans, or worse. Quote Link to comment Share on other sites More sharing options...
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