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Old 08-01-2018, 03:56 PM   #4
Alan
Carmudgeon
 
Join Date: Apr 2005
Posts: 4,646
Isn't oil mixed when adding a quart ? I know when my cars are low and I add a quart I go to the local gas station (usually Mobil) and get a quart that meets the requirements of the manufacturer. I have no idea what type & weight of oil the dealer is putting in my cars
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