Quote:
Originally Posted by kdo2milger
imo i dont believe so...i change my oil evey three to five thousand miles anyway so it would be hard to say. Their website says you can go higher between changes though.
i started using it immidiately after i picked up my wifes explorer sport trac back in dec 06 and when i change the oil every 3 grand or so, it comes out clear caramel colored, its a clean burning oil for sure, but to say it burns faster, well i dont think so, because their website says you can run longer durations between oil changes suggesting it will last longer rather than burn faster.
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Quote:
Originally Posted by NIZMOZ
Have you done any UOA's of your oil? If not then please don't say things like it hasn't. Many have and have seen high wear numbers compared to using other oils.
Clear is a bad thing also, that means it's not cleaning. It needs to come out dark so it's cleaning the engine of the deposits.
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Does Royal Purple maintain its purple color after it’s put into service?
No. The dye that’s used to color the oil dissipates shortly after being put into service. The color will turn brown at some point.
That explains the caramel color he is referring too! No, your correct, it's not cleaning the engine! But it is not because it is not working. It's because the oil was changed way to soon, at 3 thousand miles. RP, needs to go at least 5 to 7 thousand miles to work properly.