->  CA> I was standing talking to a friend while his pickup truck was
->  CA> idling and one fan blade came off, went through the hood of the
->  CA> pickup, and we never found it.

->  Ouch, my 1972 Grand Torino had a recall notice for it's fan!

 I had a fan blade break off in a 1964 Pontiac one time. I found that
blade thouygh. It was stick in the Side of the Battery. 
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