Quote:
Originally Posted by FC4
There is not a single "good off-the-shelf octane booster that won't harm your fuel system with prolonged use." The only ones which do anything are the ones with MMT, and even then the effect is not significant. Have a look at what MMT does to your fuel system with prolonged use. The ones without MMT are just means of additional revenue from 16 year-olds who think a can of octane booster will make mom's Camry faster.
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NOS Race Formula is really good. I've done extensive testing with it with multiple cars and it will reduce knock retard about 90% of the time. I have no idea whats in it, but it does work.
EDIT: Never mind. Its got MMT in it. And NitroMethane. Still works, but not something for every tankful.