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			Anyone have any tips on lowering the highway speed temp on an LS6 with 4.10 posi, M22, polyglass rubber and otherwise stock?  The car runs at 190-210 at speeds of around 65-70.  Plenty of coolant in the radiator, car has never overheated or belched up coolant.  Everything seems to be functioning okay.  Am I driving too fast with this gearing?  Any thoughts?   
		
		
		
		
		
		
			
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