Quote:
Originally Posted by avp1
If you do not want problems with your engine down the road, do not put anything other than 93 gas in this car. It will probably survives for a year other two on lower octane fuel. But if you plan to keep it longer, follow user's manual, which states 93 only. And pass on any gas with ethanol content over 10%, it is not compatible with FA20 engine either. Welcome to the world of real sport cars, where you need to do something special just to be able to use them daily.
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Then I guess all of us here in CA are in trouble with our 91 octane gas
Quote:
Originally Posted by Bonburner
Cars that have this sensor actually say in the manuals and some advertisements that one can change octanes, this car does not mention any sensor and advises no less than 91.
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I know what you mean. Lexus is one that advertises using different octanes. Though, just because they don't advertise it it doesn't mean it won't work. Take some time to read up on Long Term Fuel Trims and Short Term Fuel Trims. It might help folks draw their own conclusions.
Again, would I do it? No. If it was half the price as 91 I might because i'm not at redline on my commute to work and will not benefit from the added octane as much.