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    Yet another 5W20 oil usability question - Mazda Rotary Engine

    The Mazda RX-8 is sold worldwide. It comes with a "high power" or "low power" engine option. The high power engine has more intake air flow (more ports) and is rev-limited higher than the low power engine. The low power engine is the same displacement and compression ratio as the high power...
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    Seeking advice on how to handle partial oil changes

    Hello, I have been lurking here for a while and have come up with a question. To show how astute I have been in reading advice given on this web site, I will pose my answers to the question also. I have a new Mazda RX-8 which I really like and want to keep running forever. I am also just as...
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