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Water in The Fuel System

Some time ago I wrote a column based on my aviation background. It dealt with looking for water in the fuel system.

It is still relative today.

With our ever changing temperatures and snow or rain that increases the humidity, condensation is possible in the fuel system.

Cars stored in cold storage are at the greatest risk. If water freezes the ice can expand and exert pressure on the gas tank, fuel lines and carb. If the pressure is great enough it can split fuel lines, the carb and even the fuel tank.

Water is heavier then gasoline therefore it will settle to the bottom of the tank or carb bowl.

Using a clear glass jar, drain a small amount of fuel (about 8 oz) into the container.

Allow it to sit for a few minutes. If water is present it will form a layer at the bottom of the jar. If water is found it will be necessary to continue to draw samples until water is no longer present.

Remember when handling fuel in a confined space there is always a danger of a fire hazard.

Be safe and have a very Merry Christmas and a Happy New Year!

Sid

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