Quote:
Originally Posted by dyna mo
Don't believe the hype.
SInce your vehicle is NOT pinging/knocking, your engine doesn't need 93 octane, simple as that. exhaust rumble, etc, none of that matters. engine ping. Your motorcycle engine included, regardless of whatever sticker is on the tank. no ping = you're fine with <91 octane.
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Heat + high compression motor = ping...all of my infiniti's have pinged with anything less than 91 in them. Once the ECU realizes this it pulls the timing reducing or eliminating ping. Youre basically losing performance without knowing it...cars are smart these days. Hell even my 97' maxima had a knock sensor back in the day.