Yes they are mostly right and the principles that worked in the 1930's still for the most part apply today. Octane rating is still just a knock threshold value of the fuel. Having worked with these machines for years as a lab tech, I got to play with some exotic fuel mixtures and additives.
For the average consumer, driveability index is the most important property of a fuel for a street driven car. All fuel companies have a fuel specification that has to be met to be saleable throughout their outlets and each fuel is branded by the addition of the companies additives.
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[B]2009 & 2017 370Z Touring Sport Autos SOLD
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