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| Rotary Tech - General Rotary Engine related tech section.. Tech section for general Rotary Engine... This includes, building 12As, 13Bs, 20Bs, Renesis, etc... | 
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			 Rotary Fan in Training 
			
			
			
				
			
			Join Date: Mar 2012 
				Location: Escondido, Ca 
				
				
					Posts: 75
				 
				
				
				Rep Power: 14 ![]()  | 
	
	
	
		
		
			
			 
				
				4 port or 6 port
			 
			
			
			People have asked me what I have. I don't know how to tell.  The 1984 GSL-SE has a fuel injected 13B.  I have another 13B that I was told came out of a 1988 and it has different markings on the top of the fuel injection system.  
		
		
		
		
		
		
			
		
		
		
		
	How do I tell what is what? I think I know that the 1988 13b will not run on the 1984 GSL-SE ECU Are they 4 or 6 port? Are the HP ratings different? Where can I find this information?  | 
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