Quote:
Originally Posted by smbrm
Now at 12.5 to 1 that may be driven by the dual fuel injection so seems to be premium fuel territory with no leeway? Unfortunate as the price of premium is not proportionate to its cost! I was hoping premium would be an option for the tuners!
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Mazda uses 12:1 in the new Mazda3 Skyactiv engine on regular gas (87 octane). Since this car is tuned for performance, it only makes sense that it will use premium and not regular grade gas. But it could be done as Mazda has shown.