91 octane?

November 12, 2011 @ 06:54:49 AM
Post: 91
Join Date: Feb 2010
Location: 209
Can't really find a real answer on the net. Some people say it burns easier, some say its for higher compression cars (I'm thinking its this), and some say its pointless to put it in. So does it make difference If I put 91 in a car takes 87? I drive a 99 civic by the way.

heel yee

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November 12, 2011 @ 16:02:14 PM
Post: 91
Join Date: Feb 2010
Location: 209
so higher the better?

heel yee

November 13, 2011 @ 00:48:12 AM
Post: 499
Join Date: Mar 2009
Civic is an econo-box.

I doubt youll get any significant result from a 91 octane.
November 13, 2011 @ 04:02:04 AM
Post: 91
Join Date: Feb 2010
Location: 209
Civic is an econo-box.

I doubt youll get any significant result from a 91 octane.

not really power but like just smoother running or make it easier for the engine to burn.

heel yee

November 14, 2011 @ 00:11:01 AM
Post: 687
Join Date: May 2007
dont waste your money

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November 14, 2011 @ 03:32:10 AM
Post: 2588
Join Date: Sep 2011
so higher the better?

please respond

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November 14, 2011 @ 22:23:39 PM
Post: 687
Join Date: May 2007
yeah the higher the better..... if you driver a real performance car. if you driver something under 200 hp, you will never need 91 octane.


unless it's euro...
if the car doesnt require 91, there is no reason to use it, UNLESS you're engine is knocking at the recommended octane level, then it might help.
sure it might "burn cleaner" but you might as well just light your money on fire, cause you'll have the same result.
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