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Old Chuck · 06-20-2009, 09:20 AM

Many believe that fuel treatments can contaminate the oil. If it breaks up or reduces carbon, gunk and the like from valves and lifters then it could possibly cause some oil to break down as well. Many advocate changing the oil after a couple of tanks of fuel after using fuel treatments.

06-20-2009, 09:20 AM	#15 (permalink)
Old Chuck Base Member Join Date: Apr 2009 Location: Florida & SC Posts: 86 Drives: 05 Tundra& 02 Subaru Rep Power: 16	I would agree with Admin Many believe that fuel treatments can contaminate the oil. If it breaks up or reduces carbon, gunk and the like from valves and lifters then it could possibly cause some oil to break down as well. Many advocate changing the oil after a couple of tanks of fuel after using fuel treatments.