Thread: cooling 400 cu in SBC
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Old 09-18-2009, 11:12 PM
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suicidebomb
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RACING JUNKIE
 
Join Date: Jul 2007
Location: Independence, Missouri
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The drain holes on my factory 400 block are tapped, and there are plugs installed, but they are blind holes. They're not drilled thru to the water jacket. I've always thought that was a little strange.
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