| Motor oil can be segmented into four basic varietiessynthetic oil, synthetic blends, high mileage oil and conventional oil. | | | Synthetic motor oil | | is a laboratory synthesis of precisely controlled ingredients created by oil engineers, scientists and chemists. When combined with a high-performance additive package, this results in an oil with the highest levels of lubrication and engine protection, generally offering better protection at startup, better cleansing qualities, enhanced durability and better protection against heat buildup. | | Synthetic blend motor oils | | use a mixture of synthetic and conventional base oils for added resistance to oxidation (compared to
conventional oil) and to provide excellent low-temperature properties and are recommended for cars, trucks, vans and SUVs that regularly carry heavy loads, tow trailers and/or operate frequently at high RPMs. | | High-mileage motor oil | | is specially blended for older vehicles, or vehicles with higher mileage. Typically, 75,000 miles (120,000 kilometers) is the figure used regarding high mileage oil. Some high mileage, high-performance cars, however, will be better served by continuing to use a synthetic motor oil. That said, a special high mileage motor oil blend, with its unique additives and viscosity, helps reduce oil burn-off, helps in sealing oil leaks and helps improve combustion chamber sealing to help restore engine compression. It all adds up to enhanced performance in older engines. | | Conventional motor oil | | is what its name impliesit uses base oils enhanced in the blending process with chemical additives
to help meet the manufacturer's desired levels of heat tolerance, breakdown resistance and viscosity (viscosity simply being a technical term for the thickness and fluidity of the oil). Conventional motor oil can be had in a range of viscosity grades and quality levels, from adequate to an extensively designed, high-quality lubricant. Conventional motor oil is recommended for drivers with low-mileage, late-model cars whose driving habits can be described as routinecommuting, running errands, vacation driving at relaxed cruising speeds. Today more and more engines require synthetic oil, so be sure to check your owners manual to make sure you dont invite avoidable engine problems or void your warranty. | |
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