When you change your oil, you'll see a variety of weight options. But what does 5W-20 mean? Learn more about oil weights and which is right for you.
Motor oil color can tell a lot about its condition. Black motor oil, for example, usually means the oil is doing its job.
The primary functions of motor oil are to reduce wear and friction. But motor oil must do more than that for your engine to run well and last as designed.
Motor oil deteriorates and becomes unfit for service due to accumulation of contaminants in the oil and chemical changes (additive depletion and oxidation) in the oil itself.
Motor oil contamination is the result of chemical changes to the oil, in addition to the accumulation of dirt, fuel, metal particles and other contaminants.
Oil analysis is the process of chemically analyzing a lubricant sample (typically used motor oil) to determine lubricant and engine or component condition.
Find out why motor oil turns black and how that may affect your engine and, more importantly, if it signals the time for an oil change.
There’s more to motor oil than a dipstick. Learn how to check your oil at home and help keep your engine running smoothly, with Firestone Complete Auto Care.
Viscosity is the measure of a fluid's resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.
Many motorists are switching to synthetic motor oil for the first time. Find out everything you need to know about synthetic vs. conventional motor oil.
The guys on Discovery Channel’s Mythbusters have exposed some pretty incredible myths. But when it comes to debunking some of the most common motor oil myths, you’d be hard pressed to f…
Even veteran mechanics sometimes miss reasons to use one type of motor oil over the other. You may be set in your ways, happy with your regular motor oil, to the point where you’ve maybe used the same brand, the same weight, and same type for years. "But it’s always good to double check," according to Erin Findley, Valvoline™ Senior Scientist.
I cut open and compare 5 popular oil filter brands and am horrified by the quality of one of them. Please share this with your friends so they will never buy...
Learn about bay oil’s benefits, uses, composition, and how to use it safely for your health.
Oil pulling is a method of cleansing the mouth by swishing oil around for up to 20 minutes. Learn about the possible benefits oil pulling with coconut oil here.
There are plenty of potential benefits to using synthetic oil vs. mineral oil, but that doesn’t mean that synthetics are necessarily better. In order to get value from using a higher-priced …
Is oil analysis more beneficial for a combustion engine or a hydraulic system?<br>In engines, oil analysis can provide information concerning the condition of the air intake system by monitoring...
People are attracted to the oil because it's known to offer the same pain relieving results as cannabis without the mind-altering effects.
If there is oil in a heavy duty truck’s coolant, it always means there’s a serious underlying problem. If repairs are made quickly, major damage can be prevented. Your employees…
Crude oil is a highly emotional market and will always surpass a reasonably fair price to reach levels the market has no fundamental justification for.