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My RX-8 has +44K miles on it. I need to get more oil, and one shop said I should be using 5-30 after 25K miles.
Then I found numerous articles on engine failure due to using the 5-20 oil after various types of mileage.
Question: Should I put 5-30 in it, since it seems to run fine? Now I'm worried that my engine might fail if I don't switch.
Any comments are welcome.
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