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Gasoline shelf life

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AUSMHLY

AUSMHLY

Yoda
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My Healey has been in the body shops over a year now. The gas tank is full of gas. Should I empty the gas or is it OK to use. Anything happen to gas if not used? What is the shelf life of gas? If it does have a shelf life, what happens if you use it after that? Thanks guys, Roger
 
A good overview is obtainable from the Chevron site:

https://www.chevron.com/products/prodserv/fuels/bulletin/longterm_gasoline/

Gas will deteriorate. This may involve contaminants like water and dirt getting into it, and evaporation leaving a thicker and less useable fuel, it can also become a little "gummy".

Stabilizers are available for long term storage, but they won't reverse any deterioration that's already happened.

The tank could be drained- particularly if the end isn't yet in sight....
 
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