Engine oil is the lifeblood of your car. In addition to regular oil changes, knowing what happens when engine oil gets too ...

According to AAA, most automakers now recommend oil change intervals between 5,000 and 7,500 miles for vehicles using conventional oil. If your car requires full-synthetic motor oil, that range ...

If you want your 1974 Maserati Bora to last, use the best oil additive you can find. Photo credit: David Traver Adolph ...

Marvel Mystery Oil works with gasoline ... In fact, this additive is not only good for engines, but you can also use it in your transmission, transfer case, differential, or hydraulic systems.

Over the past 40-plus years, I have changed the oil in more engines than I can begin to count. If you're about to change the oil in your car yourself, consult the owner's manual that came with ...

you should also look at the color and viscosity of your engine oil to see if it's still good enough to use or if you need to change it. Besides that, the color of your engine oil can tell you a ...

In the past, there have been similar shifts in preferred engine oil viscosity grades. An example is the transition in heavy duty diesel engine oils in the 1980s from monograde viscosity SAE 30 and ...