AMSOIL API diesel oil specifications. The American Petroleum Institute, or API, is the only national trade association that represents all aspects of America's oil and natural gas industry including production, refinement, … [Read more...]
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Motor Oil Sludge
What is sludge? Sludge is a black gelatinous goo that form inside of engine over time that will render the equipment inoperable if not dealt with. And long before the engine’s demise, sludge can foul various sensors and interfere with performance. Some auto mechanics call it the “black death.” How does motor oil, which is […]