vs
Engine oil IDEMITSU or Lucas
I use Idemitsu Wankel Racing Oil. 10w30, I think.
Pros: Wankel Racing Oil
Vehicle:
Mazda
I run Lucas in all 3 holes and my bike has been cooler, less noise and shifts smoother than it did when I got it and it had Harley fluids in it.
Pros: cooler, less noise
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.
Pros: purpose designed for rotary
I've been running that exact oil in my rx8 for about 1k km now and its still as smooth as ever
Pros: still as smooth as ever
Vehicle:
Mazda
Mileage: 1000 km
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.
Pros: using oil from region
Vehicle:
Toyota
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.
Pros: happy with it
Vehicle:
Subaru Forester
You’ll be fine, idemitsu is a bit of a rotary specialist when it comes to fluids
Vehicle:
Mazda
Right now I have some Lucas High Performance, but the brand is relatively immaterial to me. As long as it's a reputable brand and it meets the spec in the manual.
Pros: meets manual spec
Cons: brand relatively immaterial
I think Idemitsu is the better option if you have access to it. Mostly because it was developed for the rotary engine.
Pros: developed for rotary engine
Cons: hard to find
My mechanic added a bunch of Lucas to the oil, which he said might at least quiet it down, and it did. It's quieter now, but I can still hear it at idle.
Pros: quieter engine knock
Cons: still audible at idle
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