2000 civic si question

[polokid25]

hi! do i really need to use premium gas for the car or can use regular fuel? thanks!

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[01civictune]

If you want to get the most out of your car without harming anything just use premium, you have a high compression engine a b16 I believe, those were made to rev high and make a good amount of power and if you want to get the maximum performance and gas mileage out of your car use premium.

[FaTBoY707]

all i use is premium in mine .. havent met a EM1 owner who doesnt