Mantis_Toboggan Posted September 2, 2010 Share Posted September 2, 2010 I'm about to pull the heads off of my core motor in a few minutes. Can I magnaflux aluminum heads? I want to check for cracks. Also, what other measurements should I be aware of? Spring rates seated and "over the nose", cam lobe heights, etc. Quote Link to comment Share on other sites More sharing options...
rumblee Posted September 3, 2010 Share Posted September 3, 2010 No, you can't magnaflux aluminum heads. Here is a link that describes how to check aluminum heads for cracks: http://classic.artsautomotive.com/crackcheck.htm You should also use a straight edge across the head to check for warpage. I don't know what the tolerance is for subie heads though. Quote Link to comment Share on other sites More sharing options...
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