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HDi fun · 21-04-2008, 09:26 PM

most petrols with cylinder-by-cylinder knock sensing will optimize firing WRT to TDC in real time. There will be a minimum octane rating for the engine in that tune, in that country. You can get benefits from higher octane fuel, and octane boosters do work. But, at that price - IT'S a RIP OFF. 1.5 octane numbers is not going to change your car's behaviour at all.

21-04-2008, 09:26 PM	#4 (permalink)
HDi fun Moderator The Torque Meister Car: Peugeot 406 Join Date: Apr 2006 Location: SOUTH EAST Posts: 1,526	Re: Is octane booster a rip off? most petrols with cylinder-by-cylinder knock sensing will optimize firing WRT to TDC in real time. There will be a minimum octane rating for the engine in that tune, in that country. You can get benefits from higher octane fuel, and octane boosters do work. But, at that price - IT'S a RIP OFF. 1.5 octane numbers is not going to change your car's behaviour at all.