Quote:
	
	
		
			
				
					Originally Posted by  bigblockv6
					 
				 
				Can any larger valves be installed in the Magnum head? Does anyone have flow numbers on a Magnum head? 
			
		 | 
	
	
 I have a set of magnum heads, but I don't have the casting number handy. I am planning on flow testing them at a later date. When I do I will post the results here.