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| RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections. | 
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		#1 | 
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			 Rotary Fan in Training 
			
			
			
			Join Date: Jun 2012 
				Location: Gilbert, AZ 
				
				
					Posts: 52
				 
				
				
				Rep Power: 14 ![]()  | 
	
	
	
		
		
		
		 
			
			looks like it was a bad turbine piston ring! 
		
		
		
		
		
		
		
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		#2 | 
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			 RCC Addict 
			
			
			
			Join Date: Mar 2008 
				Location: Honolulu, Hawaii USA 
				
				
					Posts: 1,813
				 
				
				
				Rep Power: 19 ![]()  | 
	
	
	
		
		
		
		 
			
			Yep, you can see the black, crusty stuff coming out from under the cup. 
		
		
		
		
		
		
			
		
		
		
		
	If you can had gone one step further and pulled the wheels apart, then you would've seen the mess that's under the cup. ![]() Congrads for getting down to the bottom of this! Replacing the turbo is a lot better than replacing the engine... Looking at the non-stock bolts on the compressor housing side, this turbo has been taken apart / rebuild before? -Ted  | 
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