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Discussion Starter · #1 ·
Hi all,

I have a 2011 5.7 L Tundra. I can use either 5w-20 or 0w-20. I have been putting synthetic 0w-20 even if it came with conventional 5w-20.

I am a bit confused regarding using synthetic oil. I have been changing oil at either 10,000 miles or 1 year interval. Since I was using synthetic.

However, according to this: What are the oil change intervals using synthetic oil?

Even if you use synthetic oil, you still have to change at 5000 miles or every 6 months interval. Is this correct? Have I been doing my oil change intervals all wrong?

If it is correct, then it is a waste to use synthetic oil as it is more expensive at every 6 months interval.
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