Quick Answer
Using a non-stabilized fuel in generators can lead to engine knock, reduced fuel efficiency, and engine damage due to the presence of water or sediment in the fuel. This can cause costly repairs and potentially render the generator inoperable.
Impacts on Engine Performance
When using non-stabilized fuel, such as propane or gasoline that has been exposed to moisture, the engine’s performance will be severely impacted. The presence of water in the fuel will cause the engine to experience knocking or pinging, which can lead to premature wear on moving parts and reduced fuel efficiency. A 10% decrease in fuel efficiency can translate to a $100 annual increase in fuel costs for a generator running 500 hours per year, assuming a $0.10 per kilowatt-hour fuel cost.
Effects on Engine Longevity
The use of non-stabilized fuel can also have a significant impact on the engine’s longevity. Engine knock and pinging can cause the engine’s valves and piston rings to wear out prematurely, leading to costly repairs. In extreme cases, the engine may need to be replaced entirely, which can cost upwards of $5,000. Additionally, the presence of sediment in the fuel can clog fuel filters and injectors, further reducing engine performance and lifespan.
Best Practices for Fuel Storage and Handling
To avoid the negative impacts of non-stabilized fuel, it’s essential to follow best practices for fuel storage and handling. This includes storing fuel in a dry, well-ventilated area, away from direct sunlight. It’s also crucial to use a fuel stabilizer to prevent the formation of gum and varnish deposits in the fuel. A fuel stabilizer can be added to the fuel at a rate of 1 ounce per 10 gallons of fuel, and the mixture should be allowed to sit for at least 30 minutes before use.
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