Which engine oil do you use???
06-01-2011, 06:15 PM
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Which engine oil do you use???
Ok, I know all this is personal opinion but thought i'd throw it out there......myself I am a valvoline man but now that i own a twin engine boat with 7.3's thinking about just using Napa brand....My buddy works there and can get it pretty cheep. Being im gonna need roughly 17 qrts, and did some research its bottled in ashland ky by guess who??? yes, Valvoline, I thought i'd consider it. Now, is it the same formula....no body knows. I did think about running some lucas additive. whats everyones take on the matter??
06-01-2011, 06:41 PM
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http://www.mercurymarine.com/service...?category=fuel
06-01-2011, 06:48 PM
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Waaaaayyyyyy More important than the Type of oil you use is how often you change it & be sure there is always enough in there. Most Bargain brands (Napa, Valvoline Etc) have about the same proctective ingredient packages, some last longer than others but I don't let mine stay in there long enough to find out. I used to be a believer in Mobil 1 until they took out 80% of the good stuff then I quit using synthetic all together. I'm sure royal purple is great stuff but I don't leave my oil in long enough to justify the cost.
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