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is this thread really going on for 10+ pages about whether it's okay to use regular 87 octane gas for the Si's? are ppl just DUMB? i mean damn, forget the part about offending people.....as, IMO, we're past that now. the gas cap CLEARLY says "PREMIUM FUEL ONLY". the manual states "premium fuel only". is it ppl can't afford to put $5ish more towards a full tank of gas to use premium than regular?
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