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Old 09-02-2017, 01:37 PM   #1
ElmoPerkins
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Join Date: Oct 2016
Location: GA
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Default Engine block cooling passages

I'm cleaning up the block in preparation for a new cylinder head. I'm cleaning up all the rust from the coolant passages but I have a question about the 2 little holes (not the 2 big holes) in between cyl 1-2 and 3-4. (Circled in red)



There are holes in the gasket for it and in the old cylinder head, but I was not able to "puncture" the rust over those holes if they are indeed suppose to be open? Can someone chime in on this? Do I need to bring out the punches?
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