Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. | 
	
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			Technically you can't.  The best you can do is look for the little hump ID mark that square port heads have on the front of each cylinder head. 
		
		
		
		
		
		
			
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	Day 2 is Life.  | 
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