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Old 11-29-2021, 06:37 PM   #7
MAG
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Join Date: May 2010
Location: Austin, Texas
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Default Re: A head on a B block

Take a look at the steam holes on each side of the stud hole (circled)in Bob's B picture. Two of them. These are steam holes not water holes. They must be plugged as mentioned.
Notice they are not there on the A block.
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