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Series I Tech Garage The place to discuss anything technical about the RX-8 that doesn't fit into any of the categories below.

oil grade and type

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Old Mar 15, 2006 | 01:26 PM
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DRUMMERANDREW's Avatar
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oil grade and type

I am told that you should not use synthetic oil in the rx8, can someone please advise if this is correct and why? thanks
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Old Mar 15, 2006 | 01:28 PM
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oh boy...

Drummer: this issue has been beaten to death on these forums. If you do a Search, you'll find all kinds of info.
Many people here do use synthetic.

My personal preference:
Castrol 5w-20
Synthetic: Royal Purple 5w-20.
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Old Mar 15, 2006 | 01:40 PM
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I've been using Mobil1 5W-30 for 2 years, but I recently STOPPED using it!

I've switched to Mobil1 5W-20 :D
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Old Mar 15, 2006 | 01:50 PM
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Enjoy:

https://www.rx8club.com/series-i-tech-garage-22/cumulative-synthetic-oil-discussion-52856/

I've become a Royal Purple convert.
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Old Mar 15, 2006 | 02:02 PM
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synthetic oil

sorry to beat a dead horse thanks for the answer
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