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			Since this thread was resurrected,  I've seen another failure first hand.  Last fall, a friend's IMS let go after multiple tracking days and autocross events.  It was a 2.7 and he made the unfortunate mistake of tracking the car with Mobil 1 0W40 in the case.
		 
		
		
		
		
		
		
			
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				JGM 
2002 Boxster S 
1973 911 Green FrankenMeanie 
PCA DE Instructor circa '95
			 
		
		
		
		
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