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					Originally Posted by  SC-986
					 
				 
				Years ago I worked in a GM service lane and saw quite a few vehicles come in where the Dex-Cool gelled up and created all kind of cooling system issues.  Simply anecdotal evidence but unless they've re-formulated the product that would be the last coolant I would consider. 
			
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Maybe customers were topping off with the green stuff (silicates precipitating.)  Plus, I suggest that no formulations are static,  things do change.  Dexx is a standard (I believe  by GM) and different brands may be and probably are slightly different formulations.:dance: