Premium Octane?

[2wheelsforme]

No, an engine designed to operate on 87 will not benefit from higher octane. https://www.scientificamerican.com/a...ion-premium-g/

[Big TP]

No, an engine designed to operate on 87 will not benefit from higher octane. https://www.scientificamerican.com/a...ion-premium-g/

Thanks Mike. That is pretty much the consensus. 87 from now on.

[6gun]

That is a very simple explanation of engine vs fuel design. That is why I said, if it works for you be happy. They left some details out. For most, the details will never matter.

[1951vbs]

In the 118,000 miles I have collectively put on my 2013 & 2015 F6B's I have saved $1242 by using 87 octane.
I did quite a bit of dyno testing years ago and learned my lesson then. If your engine doesn't have enough compression and/or ignition advance to burn higher octane it will actually detract from the performance. Higher octane fuels are made to control detonation and will burn slower.

[53driver]

My 2014 Owner's Manual, page 136, states "86 or above"

I run Chevron 91 almost exclusively. I don't much care what our manuals say as my piece of mind is preserved by running higher grades of fuel. I stick with Chevron for consistency/quality.

91 'above' 86
So, you're good!

Cheers,
Steve