Quote:
Originally Posted by Hotwatermusic
Also, has anyone heard of doing a "double oil change" after running a can of Chem tool or Techron through their system? As in, drive through a tank of gas w/ Chem tool, change your oil with something cheap--run that only for a little while, like 20-30 miles--then change that oil with the oil you use in a regular oil change? Apparently it works to get rid of any carbon deposits that might be loose in your engine after using a Techron-type product. Total BS?
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It sounded like you were suggesting to change your oil, then add Chem or Techron. The more common approach is to add these additives just prior to your normal oil change cycle. The recommendation to add these gas treatments just prior to an oil change because they can seep into the crankcase and they really aren't designed or intended to be there. Most formal and informal evaluations suggest that Techron and a few others do a good job of removing deposits and operating smoothness of the engine.
+1 on the Brad Penn comments or adding ZDDP. Not all synthetics would be good for your car. Focus on the brand of oil and whether it meets the specific needs of your car, not the general category.