Shell E10 info & Can Your Honda Use Ethanol Blend petrol!

I accidentally filled up with the standard 95 octane on my R.
Def feel the change. tone of engine was different. loss of power, the car just sounded different.
strangely enough i got the same amount of K's as if it was premium???
back to premium now car runs better but fark my wallet doesnt like me..

Using a lower octane rating fuel in a Naturally aspirated engine will normally result in more power(aslong as the fuel is recommended for that car). The only time 98 octane will get you more power is when the ECU can adjust itself to the fuel. 98 octane is only good when you can adjust either the timing or the boost.

Any other circumstances will result in a rich mixture and less power.

hate to bring up an old thread but

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Quote:

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Originally Posted by rotary_snail

Using a lower octane rating fuel in a Naturally aspirated engine will normally result in more power

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please explain?