Quote:
Originally Posted by MacCool
... The quality difference between any of the major brand synthetic oils is negligible. Not true of filters, however. ...
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Quote:
Originally Posted by IDZRVIT
... there is no best oil, it makes it a lot easier to decide and that decision is usually based on price, dino or synthetic. ... I use synthetic, SAE 5W-30 and buy whatever brand is on sale at the time I need to change the oil. I'm not particular about oil filter types either. ...
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Quote:
Originally Posted by Chuck33079
Use a full synthetic of the appropriate weight. Use a quality filter. Did we really need oil thread #423,672?
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For a DD, use a high-quality oil/filter and change "often." Just about any major brand synthetic oil will do very well. Same for filters. See the many other threads on this site (and probably every other car-enthusiast site) for different opinions on which oil/filter is the "best."
Ester is not that big of a deal. Supposedly it will help quiet the valvetrain but it's expensive and, from what I've read, has a fairly short life.
I use Nissan ester oil/filter and change at 3500-4000 miles but, for the way I drive, that's overkill. Any good syn oil/filter at 5000-6000 miles should be better than what most DDs require. If you drive in a hot area or drive hard, you might want to change more often.