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Originally Posted by Brian_B
I am going to ask a question that may get me shot, but...
Why do they call it a nailhead? 
I have never seen one in person. I am faimiar with ford flatheads and Y-blocks. |
From what I understand they got the name Nailhead because with the valve covers off the valves look like nails sticking up because the valves are vertical not angled like most engines.
