if a head crack is a head crack?  Sounds silly, but today I pulled the intake runners off buth heads while the engine is out, and I immediately saw several cracks in the metal. It could be benign I guess as they sorta look like marks a mold would leave, and both heads show the SAME cracks in the EXACT same location. I mean exactly...one crack on each side of each hole(4 cracks per head). I have just recently bought the van and only drove 50 miles or so before removing the engine, but it ran fine and the head gaskets look really good. My wife recalls the exhaust may have been a little wet. 
Question...Is this why I got a good running westy for a grand, or am I making something of nothing?  I'd much rather fix everything right as have to pull the motor again later when I have come to rely on the bus for transportation.
Who knows heads?
Thank You!
Jay
84 westy in question
77 westy
71 yard ornament

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