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			 Registered 
			
			
		
			
				
			
			
			Join Date: Jul 2005 
				Location: Cleveland, OH 
				
				
					Posts: 1,372
				 
                
				
				
				
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				Changing intake valve size...
			 
			
			On a 964 head, what's required to increase the intake valve size?  Going to 51.5mm.  Does seat need changed or just machined out?
		 
		
	
		
	
			
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			 Registered 
			
			
		
			
			
			Join Date: Mar 2004 
				Location: So. Ca. 
				
				
					Posts: 521
				 
                
				
				
				
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			machined out
		 
		
	
		
	
			
			
				
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