How To Know When To Buy Synthetic Oil

By Sally Delacruz


Owners of high-performance automobiles are accustomed to using engine lubricants able to withstand extreme temperature fluctuations without losing effectiveness. These are not simply highly refined crude oil mixtures, but are made from other forms of hydrocarbon and organic compounds. Most drivers are aware that there is a difference between the two product types, but do not really know when or whether to buy synthetic oil.

In an effort to prevent shortages from crippling the war effort, German scientists were the first to formulate these products during World War II. As is often the case, human conflict drove technological advances, and in this instance proved useful long after the fighting ended. Synthesized products are made today in combinations ranging from completely man-made, to formulas of both natural and designer lubricants.

Even though supplies are still comparatively abundant, the price of crude is high due to increased world demand. As is often the case, improving on nature has proven somewhat expensive, and using synthetics in a routine oil change costs about twice as much. This added expense raises consumer eyebrows in a time when middle-class income is barely growing, and the price of gasoline rarely if ever decreases.

While it might also seem that a specifically designed product would eliminate many of the environmental issues associated with petroleum, that is not strictly the case. The chemicals in these fluids are not benign, and have a measurable air-quality impact. Yet even with their higher cost and environmental effect, they are being increasingly recommended by auto manufacturers as a better form of routine auto care.

Advertisers initially tried to sell synthetics using extravagant and often-disputed claims. Even though that style of marketing proved counter-productive, the products available today are superior to petroleum derivatives in a number of ways. During the manufacturing process, the molecules that comprise certain synthetic hydrocarbons and organic compounds become roughly equal in size, greatly reducing friction.

Being more homogeneous in size cuts friction, resulting in increased horsepower, while reducing overall wear and tear. Not only does this extend the life of a car or truck, but it also decreases the amount of gasoline a vehicle uses over the years. These lubricants flow normally during the coldest days of winter, while fully protecting the engine if the weather and hard driving create extended high temperatures.

Artificial compounds have a greater resistance to oxidation and thermal degradation, both of which can transform clean oil into dark sludge. This makes the intervals between recommended changes about twice as long, compensating somewhat for a higher shelf-price. Special additives resist acidic erosion, and help maintain viscosity in nearly all situations, making them perfect for engines with tightly engineered tolerances.

While it is important to follow car-maker recommendations, using these manufactured oil products can be advantageous even when not specifically required. Mixing the two varieties occasionally usually causes no damage, but it is wise to ask a mechanic which is best for a particular vehicle. A cleaner engine spews less exhaust, and using this product can be a healthier option until a time when hydrocarbons are no longer the fuel of choice.




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