Gas
05-09-2008, 06:32 PM
#1
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Gas
Hey i drive a honda civic 1999 si and in the manual it says to take premium but im wondering if it would be bad to start using regualr gas?
05-09-2008, 06:44 PM
#3
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Location: Hettinger, North Dakota, US
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Re: Gas (Padawan)
if i use anything below 91 octane, i get a slight knock out of my motor. if you do use some regular, then put in some octane boost.
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