AMSOIL: Heavy-Duty Synthetic Diesel Oil
AMSOIL Product Catalog
Optimal Usage of Synthetic Diesel Oil in Gas Engines: Understanding Compatibility and Specifications
Is It Safe to Use Diesel Oil in Gasoline Engines?
The safe usage of diesel oil in gasoline engines largely depends on the oil's specifications and the guidelines provided by the original equipment manufacturer (OEM). The American Petroleum Institute (API) distinguishes diesel oil with a "C" category (currently CK-4) and gasoline motor oil with an "S" category (currently SP). Diesel oil can be utilized in gasoline engines if it matches the required specifications and viscosity for your engine. For instance, a gasoline engine requiring a 5W-30 motor oil with API SN specification can use a diesel oil of the same viscosity and specification. However, for most gasoline engines, the optimal choice is a high-quality gasoline motor oil, which ensures better performance and value.
Why Do Diesel Engines Require Specialized Oil?
Diesel and gasoline engines differ significantly in their fuel ignition processes. Diesel engines compress air in the combustion chamber to a high temperature that ignites the fuel injected by the injector. Conversely, gasoline engines use spark plugs to ignite the fuel-air mixture at the precise moment. Due to these operational differences, diesel oil is specifically formulated to address issues unique to diesel engines, such as higher engine temperatures, increased oxidation rates, and higher soot and deposit levels. For the best results, choose top-quality AMSOIL synthetic diesel oil and diesel fuel additives, which enhance engine performance and longevity.
How Frequently Should Diesel Oil Be Changed?
To determine the optimal frequency for changing diesel oil, consult the vehicle’s owner's manual for specific recommendations. AMSOIL synthetic diesel oils are designed for extended use beyond OEM-recommended intervals when followed by the service-life guidelines on the product data sheets or verified through oil analysis. Additionally, AMSOIL provides a comprehensive range of superior synthetic gear oils and transmission fluids to maintain your diesel engine’s peak performance.
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