fluids for 2009

[fpchief]

Sorry for all my questions. Is regular Dino oil 5w-30 good to go or is swapping to full synthetic ok at 84k?

 

[WIFESLTZ]

Full synthetic oil, especially a high quality one like Mobil 1, will typically always give better protection. They have much more resistance to viscosity breakdown between changes and usually help motors run a tad bit cooler. I've usually run synthetic in my 07 Tahoe and with 151,000 miles on the clock, I have not had a single mechanical issue. Hope to get another 150K out of it.

To answer your question, you can switch to synthetic at any point. I usually look around at the different parts stores. Someone ALWAYS has a full synthetic + filter special going on for usually less than $35 or so. You just usually have to buy that extra 6th quart. What I do is buy the Mobil 1 oil and filter special and then buy the store brand synthetic as that extra 6th quart.