From what I know, being a previous rotary engine owner... everything after 91 is similar. Techron vs. nitrogen enriched and what not when it comes to chevron vs. v power. I've always stuck to v power because people "say" it runs richer and burns purer. My question is, anyone ever get better gas mileage throwing 89 octane in there? Don't really want to try it.. and not trying to jack the thread just wondering if anyones done it?
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