I use Idemitsu Wankel Racing Oil. 10w30, I think.
Reviews of IDEMITSU engine oil
85 votes
Idemitsu all day. It’s synthetic but what needs to be emphasized is the ingredient blend is purpose designed for a rotary to make the right lube + burn.
I've been running that exact oil in my rx8 for about 1k km now and its still as smooth as ever
i am of the mindset of using oil from the region. my GTI is a german car and gets liquimoly, a german oil. my toyota/subaru is Japanese, Idemitsu is a japanese oil (and the oem supplier for Subaru). i have 5w30 in it now.
I've been running Idemitsu oil in the XT and the wife's Crosstrek for the last four and five years and have been happy with it.
You’ll be fine, idemitsu is a bit of a rotary specialist when it comes to fluids
I think Idemitsu is the better option if you have access to it. Mostly because it was developed for the rotary engine.
Idemitsu to both, because it’s designed and tested on rotaries.
I use idemitsu rotary 20w50
I stick to Idemitsu. I have a Sohn adapter fitted, so it's 10-30 Idemitsu in the engine, twice a year and Idemitsu Premix in the Sohn adapter and in the fuel tank.
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