Hi there, I have a few questions about racing oil use in rotaries, I have a 13b in a track car and want every advantage I can to increase reliability

Firstly, I know the standard response to rotaries is "mineral mineral mineral" but that's always for stock engines with the factory oil metering pump used which results in burning oil, and synthetics tend to leave behind goop and foul spark plugs, hence mineral oil only being recommended.

In my application I have no oil injection pump and am instead running mc2st racing oil in the fuel at about 100:1, as it is specifically designed to burn and provide lubricity in the engine during combustion with minimal deposits, instead of using an oil never intended to combust like that.

My question is this:

With all of the benefits associated with synthetic engine oils, and without the need to combust and burn the engine oil, would there be benefits in using a race-formulated engine oil such as the ten tenths 20w60?

From everything I've researched in piston applications the synthetics provide benefits like lower oil temps, increased lubricity, and superior resilience to higher temperatures. The temperature aspect is my main concern as my racing gets oil to 105-110c most of the time. With occasional spikes to 120c depending on weather and cornering speeds. 

Also: this is purely for me, and I acknowledge that every thing I do and try is at my own risk. Before I try something different I just want to know as much about it from people with alot more knowledge than I have

Thanks for taking the time to read this, I really appreciate it and any information/advice 

-Matt

from Mazda is that they do not recommend the use of synthetic oils in their rotary engines - specifically addressing this issue in the "Owner’s Manual". If you are considering using synthetic oil in a rotary-powered vehicle that is covered by the factory warranty, take this warning seriously. On the otherhand, fishing umm al quwain oil-related engine failures are very rare and tracking the specific cause of a failure to the engine oil is difficult.