Quote:
Originally Posted by jtown82
im a royal purple fan myself. but all in all there is VERY little difference in all the major oil companies from mobil1 to castrol to penzoil,
a 5w30 synthectic is a 5w30 synthetic no matter the brand and there will be minimal gains or losses between all of them. dont buy into the snake oil crap from nissan.
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I'm giving my dealler a bottle of Royal Purple to use for the first service, they've absolutely guaranteed that the warranty will not be void if the oil weight is 5w30 and API certified at the correct grade =)