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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 Fanatic 
			
			
			
				
			
			Join Date: Feb 2008 
				Location: Slidell, LA 
				
				
					Posts: 191
				 
				
				
				Rep Power: 18 ![]()  | 
	
	
	
		
		
			
			 
				
				Zero Clearance Side Seals
			 
			
			
			I like to set up my side seals as tight a practical.  There are different thoughts on this minimum spec.   
		
		
		
			I have seen recommendations from .002” -.004” for turbo applications. On my last engine build-up I mistakenly switched two side seals causing a .002” clearance. This resulted in scrapping the RE front plate because of a .004” wear groove on it in the area of combustion (where heat/expansion is greatest). I decided to try .000”! Found this in an early Mazda paper. What do you think? Barry  | 
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