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93 vs. 87 octane gas

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Old 10 Jan 2018, 12:02 pm
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Default Re: 93 vs. 87 octane gas

Originally Posted by Fk5 View Post
Cool. I thought you were talking about that Skyactiv Mazda engine. Those have been around awhile and are 13:1 and 14:1 direct injection and take 87 octane. Not sure if they prefer super. They are supposed to be kicking them up to 18:1 by 2020.
Accordingly, using higher octane levels in some of those engines (reported on forums) has not seen any increases in output or real benefits, and I believe that even the ECU either makes very minute changes or none at all regarding the use of higher octane fuels?

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Last edited by NitroPT; 10 Jan 2018 at 12:09 pm.
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