Considering changing from conventional motor oil to Mobil 1. Do I just change over or is there any special steps I need to take? Engine is a 1969 396-375 hp. Is it worth the price or should I stay with regualr oil?
Im 20/50 Castrol, that was after I learned that Penzoil has a parafin base which can translate in buildup, even with a regular change. I used Penzoil for years, but it becomes a preference as much as a topic of debate.
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