Petroleum primer: Five things to know about gasoline – David Conwill @Hemmings

Gasoline is probably the substance that inspires the strongest opinions in automotive hobbyists. At one time, that often meant brand loyalty, whether that was to Mobilgas Ethyl, Sunoco 260, or Shell Green Streak. Now it’s more likely to take the form of preferences for octane and ethanol content.

Refinery technology has changed tremendously since 1900, and the gasoline that powered early automobiles was radically different from the gasoline of 1940, which in turn was quite different from the super-premium fuel blends of the mid-1960s. Modern fuels are an even different creature yet. It can be a dizzying experience to try to select the correct 21st-century gasoline for a car built 50-plus years ago. An engine with the wrong gas will quickly make that known through a variety of unpleasant noises, badly reduced power, and even potential failure.

Refinery technology has changed tremendously since 1900, and the gasoline that powered early automobiles was radically different from the gasoline of 1940, which in turn was quite different from the super-premium fuel blends of the mid-1960s.

Modern fuels are an even different creature yet. It can be a dizzying experience to try to select the correct 21st-century gasoline for a car built 50-plus years ago. An engine with the wrong gas will quickly make that known through a variety of unpleasant noises, badly reduced power, and even potential failure.

Being an educated consumer of gasoline means separating fact from fiction. There are also lots of additives out there that proclaim various improvements and refinements to pump gasoline—some are legitimate, and some are more akin to snake oil. Getting familiar with gasoline is worthwhile for any car enthusiast. It will protect your car from harm and may even help it run better

Read on



Categories: David Conwill, Gasoline, Hemmings

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