Re: Welsh (Freeze) Plugs on a 9N Engine

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Posted by Gaspump on November 08, 2006 at 19:58:30 [URL] :

In Reply to: Welsh (Freeze) Plugs on a 9N Engine posted by Dan on November 08, 2006 at 16:36:15:

Can't figure how any N engine could have been cast without Welsh Plugs. How would they effectively remove the pattern sand without them?

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