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Old 02-18-2008, 08:08 PM
Ronbo Ronbo is offline
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Join Date: Feb 2008
Location: Jacksonville, FL
Cobra Make, Engine: Kirkham #570 w Shelby FE
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Here's an original Boss 302 head: Boss 302 Engine Cylinder Heads Photo

As I recall the "steam holes" were the ones closest to the bore to bore contact area. (two closest hot parts)

Hope this helps.
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