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Changing the oil in your car or truck is probably one of the most important – if not THE most important – piece of maintenance you can do to care for your vehicle’s engine.

Up for debate is when to change the oil – is it every 3,000 miles? Every 5,000? It depends.

Another debate involves the type of oil to use: conventional, synthetic or a hybrid?

Again, depends on who you ask. And on the vehicle.

Let the professionals at Advance Auto Parts help you find answers to your questions about the brand and type of oil best suited for your needs.

Conventional oil is fine for many makes and models, but some manufacturers recommend synthetic oil, which is supposed to have fewer impurities than the conventional oil.

Think of conventional oil as a material made up of molecules that resemble a handful of gravel – it’s all the same substance, but they’re all different shapes. Synthetic oil is more like a handful of marbles – more uniformly shaped and smooth.

As you may expect, synthetic oil is more expensive than conventional oil, so you’ll spend more for an oil change if you use synthetic oil.

Follow your vehicle’s specs to make sure the oil you choose is compatible with the vehicle.

If your vehicle is an older model, a synthetic oil can help prevent sludge buildup and prolong engine life.

Expect to spend $25-$50 for a conventional oil change at your neighborhood oil change shop; that range could be $45-$70 for synthetic oil. The good news is that synthetic oil doesn’t have to be changed as often.

Another plus for synthetic over conventional comes for drivers who tend to make many short trips. Conventional oil doesn’t have a chance to warm up enough to burn off impurities; synthetic oil does warm more quickly, so it may to prevent engine malfunctions.

The do-it-yourselfer may be able to crawl under a vehicle, drain the old oil and replace it with new oil for a fraction of that cost, but consider the time and effort involved to determine which route is better for you and your situation.

Be an informed consumer and know which questions to ask, whether you’re going to take your car to the shop or DIY it.

The three types of motor oil will work fine in your vehicle as long as they meet current American Petroleum Institute certification and don’t go against the manufacturer’s recommendations. The only type of engine you should never use synthetic oil in is a rotary. Rotary engines have unique seals that are engineered for use with conventional oil only.

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The information contained in this audio on air and online as well as the wizs.com web post is not advice from Advance Auto Parts or WIZS. Safety First! Always seek proper help. This is presented for its informational value only and is part of a paid advertising sponsorship.