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...]
Independent AMSOIL Jobber Harrisburg Pennsylvania
How do dramatic temperature swings affect engine oil?
Big temperature swings are common in much of North America. In February 2011, the town of Nowata, Okla. saw a record low of -31ºF (-35ºC). Just a week later the temp climbed to 79ºF (26ºC). That’s a 110ºF (61ºC) swing in only a week. The underlying concern for motorists is that ambient temperature changes will […]