Internally balanced 318's

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Internally balanced 318's #181717 01/02/09 02:03 PM 01/02/09 02:03 PM
Joined: May 2007 Posts: 133 NC A alpha727 OP member
alpha727 OP member A Joined: May 2007 Posts: 133 NC	can someone please tell me if they ever changed the 318 from internal balance to an external balance? If so, what year was the change made and what are the tattle tale signs of an externally balanced 318?

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