Re: Camshafts..
John, don't use synthetic oils with break-in additives. If you read the label on the additive, you'll see it says to use mineral oil for better results. Since you're running the additive anyway, don't worry with any kind of expensive or exotic oils to run with additives. After the initial break-in, though, you could spring for some good oils with zinc added to it already so you don't have to run the additive.
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