Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - anyone using premium gas ?
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Old 05-13-2012, 03:16 PM   #31
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Originally Posted by Kabigon View Post
You clearly do not understand the engine management of the 2012 Focus, therefore your generalizations about octane do not apply.
I don't understand why so many people have a hard time wrapping their heads around VVT.

Originally Posted by 2012FocusSEL View Post
I apologize if that had already been stated. I was reading through the owners manual for the oil capacity and came across that in my reading. Any who those who prefer to see physical evidence here's a pic out of the owners manual for your viewing pleasure!

You mean the part that states; "Premium fuel will provide improved performance"?

I'm staying out of this one. All I know is since I got my car 11,500 and 10.5 months ago I've only for the most part used E0 91 octane. If E0 isn't available I just use 87 - which is rare. If I have to use 87 I always notice a decrease in fuel economy and SOTP performance.
Current- 2016 Race Red Focus ST1

Traded In - Sedan Revolution #249 - 2012 SE Sport - ╠╬╝ - Ingot Silver - 201A - K&N w/ snorkel delete - Blox Type R Knob
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