Quote:
Originally Posted by Telephone
Like every other oil thread...you've over-thinking it. Just make sure to check the oil least once a week and keep it topped off. Pick your favorite 5W-30 oil and bring it with you to the dealer if you're that picky. The dealer is not going to stock every damn oil out there to satisfy every person that cannot change their own oil.
Mobile 1 is synthetic and it's fine for the Z
Regular Valvoline is non-synthetic and it's still fine for the Z
If Walmart doesn't have it...you don't need it.
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This isnt soo much about me being picky and I think you missed some stuff. The oil was low and the dealer did not put ester (like normal) and were closed so I was just trying to get an idea of what they usually would use so I can put some more in (top it off) and see if its burning oil. Considering I had a massive oil leak and lost almost all my oil I think thats a pretty valid concern.
Anyway I read online that as its safe to mix synthetic/non-synthetic oils but mixing regular with synthetic will lower the quality of the synthetic. I know the dealer said if synthetic they use mobil one so I went ahead and got some of that and topped it off. The car was almost 1qt low. This is a day or two after having major work done at the dealer (replacing the upper oil pan and valves that go with it). I need to know if the car is burning oil like crazy (possible) or the dealer just f*cked up and put too little oil in (like a bit less than 5qt even though I have an oil cooler which means at least 5.5 qt).
I guess I will know in a few days...