honda civic si premium gas?? - GTcarz - Automotive forums for cars & trucks.

12-23-2008 | 12:22 AM

#2

wilmer007

~~ Hardcore Newb ~~

Joined: Oct 2008

Posts: 5

From: Miami

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Quote:

Originally Posted by hey

my friend told me that the 2008 honda civic si required priemum gas. is this true?

Yes it is actually heres the recommendations from the owner's manual for a 2008 Civic....

All Models except SI:

Your vehicle is designed to operate
on unleaded gasoline with a pump
octane number of 87 or higher. Use
of a lower octane gasoline can cause
a persistent, heavy, metallic rapping
noise that can lead to engine damage.

Si Model Only:

Your vehicle is designed to operate
on premium unleaded gasoline with a
pump octane number of 91 or higher.
Use of a lower octane gasoline can
cause occasional metallic knocking
noises in the engine and will result in
decreased engine performance. Use
of a gasoline with a pump octane
number less than 87 can lead to
engine damage.

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