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					Originally Posted by  Pdwight
					 
				 
				Still I did not see any definite conclusions to the OEM Porsche OAT coolant. Is there a substitute OAT that equals the original (and upgraded) Porsche coolant ? 
 
I know Porsche does not manufacture coolant so what are you guys using ?? 
			
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Pedro has a great diy
Flush Coolant System Porsche DIY
and all about OAT & HOAT coolant"
http://www.pedrosgarage.com/Site_5/Coolant_Antifreeze.html
Plenty of OAT choices here:
http://www.oreillyauto.com/site/c/search.oap?keyword=antifreeze