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			I personally have only used Total Quartz Racing 10w-50 Full syn in my engines. I can't quantify any results but the oil seems to handle the higher oil temps very well when I'm at the track or auto-x. 
 
With that said, I'm also premixing, so none of the motor oil is burned in the combustion chambers.
		 
		
		
		
		
		
		
			
				__________________ 
				Johnson 
 
TA FC in the works!
			 
		
		
		
		
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